爱华AIWA HV-FX780NH放像机电路图

分类:电子电工 日期: 点击:0
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VIDEO CASSETTE RECORDER HV-FX780 S/M Code No. 09-999-335-6R1 NH SERVICE MANUAL DATA BASIC TAPE MECHANISM : D-33 (6721R-0122A) REVISION This Service Manual is the “Revision Publishing” and replaces “Simple Manual” (S/M Code No.09-999-335-6T1). www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 2 TABLE OF CONTENTS SPECIFICATIONS ............................................................ 3 ACCESSORIES LIST ....................................................... 3 DISASSEMBLY INSTRUCTIONS..................................... 4 SERVICE POSITION ........................................................ 5 VCR TEST TAPE INTERCHANGEABILITY TABLE ........ 6 ELECTRICAL MAIN PARTS LIST.............................. 7 ~ 8 TRANSISTOR ILLUSTRATION........................................ 8 WIRE HARNESS DIAGRAM ............................................ 9 BLOCK DIAGRAM ................................................. 10 ~ 16 SCHEMATIC DIAGRAM 1. POWER SECTION.............................................. 17 ~ 18 2. AUDIO/VIDEO SECTION .................................... 19 ~ 20 3. SYSTEM CONTROL/SERVO/OSD SECTION) .. 23 ~ 24 4. TUNER SECTION ....................................................... 25 5. FRONT 1 C.B .............................................................. 29 6. FRONT 2 C.B .............................................................. 29 WAVEFORM 1. VIDEO SECTION ........................................................ 21 2. SERVO/OSD SECTION .............................................. 22 FL DISPLAY.................................................................... 26 WIRING 1. MAIN C.B SECTION ........................................... 27 ~ 28 2. FRONT 1 C.B SECTION ............................................. 30 3. FRONT 2 C.B SECTION ............................................. 30 IC DESCRIPTION ................................................... 31 ~ 36 IC BLOCK DIAGRAM..................................................... 37 ADJUSTMENT........................................................ 38 ~ 39 MECHANICAL EXPLODED VIEW 1/1 ........................... 40 MECHANICAL MAIN PARTS LIST 1/1 ......................... 40 MECHANISM EXPLODED VIEW 1/3, 2/3, 3/3 ..... 42,44,46 MECHANISM MAIN PARTS LIST 1/3, 2/3, 3/3 .... 43,45,47 DECK MECHANISM PARTS LOCATIONS Top View.......................................................................... 48 Bottom View .................................................................... 48 DECK MECHANISM DISASSEMBLY 1. Drum Assembly ......................................................... 49 2. Plate Assembly Top ................................................... 51 3. Holder Assembly CST ............................................... 51 4. Guide CST ................................................................ 51 5. Bracket Side (L)/Bracket Assembly Door .................. 51 6. Arm Assembly F/L ..................................................... 51 7. Lever Assembly S/W ................................................. 51 8. Arm Assembly Cleaner .............................................. 52 9. Head F/E ................................................................... 52 10. Base Assembly A/C Head ......................................... 52 11. Brake Assembly S ..................................................... 53 12. Brake Assembly T ..................................................... 53 13. Arm Assembly Tension .............................................. 53 14. Reel S & Reel T ........................................................ 53 15. Support CST ............................................................. 54 16. Base Assembly P4 .................................................... 54 17. Opener Lid ................................................................ 54 18. Arm Assembly T/up ................................................... 54 19. Arm Assembly Pinch ................................................. 54 20. Belt Capstan/Motor Capstan ..................................... 55 21.Clutch Assembly D33 ................................................. 55 22. Lever F/R .................................................................. 55 23. Gear Assembly H-UP/D or Gear Assembly UP/D ..... 55 24. Bracket Assembly Jog ............................................... 56 25. Guide Rack F/L, Gear Rack F/L ................................ 56 26. Brake Assembly Capstan .......................................... 56 27. Gear Drive/Gear Cam/Gear Connector .................... 57 28. Bracket Assembly L/D motor ..................................... 57 29. Gear Sector ............................................................... 58 30. Base Tension/Plate Slider/Lever Tension .................. 58 31. Gear Assembly P3/Gear Assembly P2 ..................... 59 32. Base Assembly P3/Base Assembly P2 ..................... 59 33. Arm Assembly Idler Jog or Arm Assembly Idler ........ 59 DECK MECHANISM ADJUSTMENT Tools and Fixtures for service ......................................... 60 1. Mechanism Alignment Position Check ........................ 61 2. Preparation for Adjustment ......................................... 62 3. Checking Torque ......................................................... 62 4. Guide Roller Height Adjustment .................................. 63 4-1. Preliminary Adjustment .......................................... 63 4-2. Precise Adjustment ................................................ 63 5. Audio/Control (A/C) Head Adjustment ......................... 64 5-1. Preliminary Adjustment .......................................... 64 5-2. Confirm that the Tape Path smoothly between the Take-up Guide and Pinch Roller ............................ 65 5-3. Precise Adjustment (Azimuth Adjustment) ............. 65 6. X-Value Adjustment ..................................................... 65 7. Adjustment after Replacing Drum Assembly (Video Heads) ............................................................. 66 8. Check the Tape Travel after Reassembling Deck Mechanism......................................................... 66 8-1. Checking Audio and RF Locking Time during Playback and after CUE or REV ................ 66 8-2. Check for Tape Curling or Jamming....................... 66 MAINTENANCE/INSPECTION PROCEDURE 1. Check before starting Repairs .................................... 67 2. Required Maintenance ................................................ 68 3. Scheduled Maintenance ............................................. 68 4. Supplies Required for Inspection and Maintenance ... 68 5. Maintenance Procedure .............................................. 68 5-1. Cleaning ................................................................. 68 5-2. Greasing ................................................................ 69 MECHANISM TROUBLESHOOTING GUIDE 1. Deck Mechanism ........................................................ 70 2. Front Loading Mechanism .......................................... 73 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 3 REF. NO PART NO. KANRI DESCRIPTION NO. ACCESSORIES LIST 1 S8-35R-M00-34E INSTRUCTION ASSY 2 S7-11R-1N0-32A REMOTE CONTROLLER A 3 S8-615-06F-000 RF MONO SEARS CABLE SET ASSY SPECIFICATIONS • Design and specifications are subject to change without notice. Video recording system Rotary 2 head helical scanning system Video head Double azimuth 4 head Tuner system Frequency synthesized tuner TV system M Video signal system NTSC color signal, 525 lines, 60 fields Usable cassttes VHS video cassette Recording Playback time SP: 3 hours with T-180 tape LP: 6 hours with T-180 tape (playback only) EP: 9 hours with T-180 tape Tape speed SP: 33.35 mm/sec. LP: 16.67 mm/sec. EP: 11.12 mm/sec Fast forward/Rewind time Less than 180 seconds with T-120 tape Channel coverage VHF: 2 to 13 UHF: 14 to 69 CATV: 4A, 2 to 13, A to W, W + 1 to W + 58, A-5 to A-1, W + 59 to W +84 RF output VHF channel 3 or 4 (switchable), 66 dBµ Video input 1.0 Vp-p, 75 ohm, unbalanced Video output 1.0 Vp-p, 75 ohm, unbalanced Horizontal resolution 230 lines Video S/N 43 dB (at SP) Audio track 1 track (Mono) Audio input -6 dBs, 47 kohm Audio output -6 dBs, less than 4.7 kohm Audio frequency response 100 Hz - 10 kHz (at SP) Audio S/N More than 43 dB (at SP) Operating temperature 5°C to 35°C Power requirements 120 V AC, 60 Hz Power consumption 14 W (Standby: 3 W) Dimensions 360 (W) x 278 (D) x 95 (H) mm (14 1/4 x 11 x 3 3/4 in.) Weight 3.3 kg (7.26 lbs.) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 4 DISASSEMBLY INSTRUCTIONS 1. Top Case Removal 1) Remove 4 screws holding the top case. 2. Panel Front Removal (see Fig. 1) 1) Release 7 tabs, and then remove the panel front. Fig. 1 3. Front-1 C.B. and Front-2 C.B. Removal (see Fig. 2) 1) Release 2 tabs, and then remove front-1 C.B. from the connector (PKM02) in the direction of arrow (1). 2) Release the tab, and then remove front-2 C.B. from the connector (PKM01) in the direction of arrow (2). Fig. 2 4. Mechanism Removal (see Fig. 3) 1) Disconnect the drum FF cable from the connector (PMD01) on the Main C.B. 2) Disconnect the ACE head FF cable from the connector (P3D02) on the Main C.B. 3) Remove 6 screws (A). Fig. 3 5. Main C.B. Removal (see Fig. 4) 1) Remove 2 SCREWS B holding the panel assy, distri-butor. 2) Release 5 tabs, and then simultaneously lift the panel as- sembly, distributor and Main C.B. to remove them. Fig. 4 TAB PANEL FRONT PANEL ASSY, DISTRIBUTOR MAIN C,B TAB TAB TAB TAB TAB B PKM02 TAB TAB TAB (1) (2) PKM01 Front-1 C,B Front-2 C,B MAIN C,B FF CABLE FF CABLE PMD01 P3D02 A A A www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 5 SERVICE POSITION To set the mechanism to the service position in active status: Insert a spacer as shown below: The service position can be set in the stable status without any defective contact. Location Install spacers at locations (A) and (B). MAIN C.B D33 MECHANISM SPACER 60mm MAIN C.B D33 MECHA SPACER REAR PANEL Use a spacer with a diameter of 10-15 mm, and of any shape (round, square, etc.). Caution: The spacer must be of insulated material, of a size that does not hinder the mechanism loading. Side view A B CYLINDER HEAD CLEANER D33 Mechanism Top View www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 6 VCR TEST TAPE INTERCHANGEABILITY TABLE There are two types of the new allgnment tape CH-1B (for NTSC) and CH-2 (for PAL). On each tape four signals (1)-(4) are recorded for the times and in the order shown below. (1) : 8min. → (2) : 2min. → (3) : 5min. → (4) : 5min. The TTV-MP1 (for M-PAL), TTV-MS1 (for MESECAM) and TTV-S1 (for SECAM) allgnment tapes have the same contents as the previous tapes. Method Now in use TYPE Model Contents *1 New TYPE Model Contents *1 Application NTSC PAL TTV-N1 NTSC, Color bar, 1 kHz, SP TTV-NS1 NTSC, Color bar, 1 kHz, SP TTV-N1E NTSC, Color bar, 1 kHz, EP TTV-NS6E NTSC, Color bar, No sound, EP TTV-N2 NTSC, Stairsteps, 7 kHz, SP TTV-N12 (SCV-1998) NTSC, Color bar, 1 kHz, SP NTSC, Mono scope, 7 kHz, SP TTV-N7A NTSC, Stairsteps, 1 kHz, SP, HiFi 400 Hz TTV-N6 (TTV-N06T) TTV-P1 PAL, Color bar, 1 kHz, SP TTV-P1L PAL, Color bar, 1 kHz, LP TTV-P2 PAL, Stairsteps, 6 kHz, SP PAL, Monoscope, 6 kHz, SP TTV-P6 (TTV-N06T) TTV-P7 PAL, Stairsteps, 1 kHz, SP, HiFi 1 kHz TTV-P16 PAL, Color bar, 400 Hz, SP, HiFi 1 kHz CH-1B(2) NTSC, Stairsteps, 1 kHz, SP No Changed. NTSC, Color bar, 1 kHz, EP CH-1B(4) *2 No Changed. CH-1B(1) NTSC, Stairsteps, 7 kHz, SP CH-1B(4) NTSC, Color bar, 1 kHz, EP No Changed. CH-1B(3) NTSC, Color bar, No sound SP, HiFi 400 Hz PAL, Stairsteps, 1 kHz, SP CH-2 (2) * 3 CH-2 (4) PAL, Color bar, 1 kHz, LP CH-2 (1) PAL, Stairsteps, 6 kHz, SP No Changed. CH-2 (3) PAL, Color bar, No sound SP, HiFi400 Hz No Changed. PB-Y Level/General electrical ADJ. Head ACE Height/Tilt ADJ. For S-VHS (SQPB) check Switching position ADJ. For S-VHS (SQPB) check Head ACE Azimuth ADJ. FM Envelope ADJ. X-Value ADJ. For total picture quality check (resolution, etc) HiFi Audio PB Level ADJ. Switching position ADJ. PB-Y Level/General electrical ADJ. Head ACE Height/Tilt ADJ. Switching position. (LP Model) FM Envelope ADJ. (LP Model) X-Value ADJ. (LP Model) HEAD ACE Azimuth ADJ. FM Envelope ADJ. (SP Model) X-Value ADJ. (SP Model) For total picture quality check (resolution, etc) FM Filter ADJ. HiFi Audio PB Level ADJ. * 1. Described in the order of color format. video signal. linear audio. tape speed and Hi-Fi audio. * 2. Use CH-1B (1)-(3) with models used exclusively in the SP mode. * 3. Use CH-2 (3) and (4) when it is necessary to observe the chroma signal. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 7 REF. NO PART NO. KANRI DESCRIPTION NO. REF. NO PART NO. KANRI DESCRIPTION NO. ELECTRICAL MAIN PARTS LIST IC ! S6-570-62A-000 IC,PC817 SI-SS4-310-00A IC,KA431AZ SI-KE4-310-00A IC,KIA431 3P SI-HI1-187-17A IC,HA118717NF SI-HI3-977-36A IC,HD3977RC36F SI-SS3-082-00A IC,KA3082 SI-SS7-531-00A IC,KA7531Z SI-SS7-542-00A IC,KA7542Z 87-A20-281-010 IC,MN12510 TRANSISTOR ! ST-R44-190-0AA TR,KTC4419 ST-R14-140-9AA TR,KTD1414 ST-R31-990-9AF TR,KTC3199-BL ST-R32-050-9AB TR,KTC3205-TP-Y ST-R10-300-9AE TR,KRC103M 87-026-609-080 TR,KTA1266-GR ST-R31-980-9AC TR,KTC3198-TP-BL ST-R32-030-9AA TR,KTC3203-Y ST-R12-810-9AA TR,KTA1281Y ST-R12-730-9AA TR,KTA1273-TP-Y ST-R12-670-9AC TR,KTA1267-GR S3-1KR-A10-3M0 TR,KRA103M-TP DIODE SD-D01-000-9AC DIODE,EU01W 87-020-215-010 DIODE,ERC81-004L 87-017-011-080 DIODE,IN4003A 87-020-465-080 DIODE,1SS133 87-070-173-010 DIODE,S1WBA60 SD-D01-000-9CB DIODE,EG01AW SD-D22-060-9AA DIODE,ERA22-06 SD-D31-040-9AA DIODE,31DQ04 87-017-352-010 DIODE,RU3YXLF-C1 100V2 SD-R10-551-0AA DIODE,RZ1055LF-C1 MAIN C.B !C101 S6-240-88F-000 CAP,PCX2 275V 0.1UF,M !C103 S6-240-86B-000 CAP,103-400V !C104 S6-240-86B-000 CAP,103-400V !C105 87-016-375-010 CAP,0.01UF-630V !C106 87-016-533-010 CAP,220PF/1KV C111 87-A11-809-010 CAP,E 100UF-250V C115 87-010-408-040 CAP,E 47UF-50V C116 87-016-623-080 CAP,E 1000UF-10V C117 S6-240-83E-000 CAP,1000-10V C118 87-010-375-080 CAP,E 330-10V C119 87-010-408-040 CAP,E 47UF-50V C120 87-010-387-010 CAP,E 470UF-25V KME C121 87-010-387-080 CAP,E 470UF-25V C151 87-015-698-080 CAP,E 4.7M-50V C152 87-015-681-080 CAP,E 10-16V C153 87-010-060-080 CAP,E 100-16V C154 87-015-698-080 CAP,E 4.7M-50V C1J1 87-010-403-040 CAP,E 3.3-50V C302 87-010-552-040 CAP,E 22-16V C304 87-015-698-080 CAP,E 4.7M-50V C306 87-015-698-080 CAP,E 4.7M-50V C307 87-015-681-080 CAP,E 10-16V C311 87-010-552-040 CAP,E 22-16V C312 87-015-698-080 CAP,E 4.7M-50V C315 87-015-684-080 CAP,E 47-16V C317 87-015-684-080 CAP,E 47-16V C320 87-015-681-080 CAP,E 10-16V C324 87-015-681-080 CAP,E 10-16V C327 87-010-403-040 CAP,E 3.3-50V C328 87-015-681-080 CAP,E 10-16V C330 87-010-402-040 CAP,E 2.2-50V C331 87-015-695-080 CAP,E 1.0-50V C332 87-010-544-010 CAP,E 0.1-50V C335 87-016-088-040 CAP,E 220-6.3V C342 87-015-684-080 CAP,E 47-16V C345 87-015-698-080 CAP,E 4.7M-50V C347 87-015-698-080 CAP,E 4.7M-50V C350 87-015-695-080 CAP,E 1.0-50V C352 87-010-402-040 CAP,E 2.2-50V C358 87-010-403-040 CAP,E 3.3-50V C359 87-015-684-080 CAP,E 47-16V C365 87-015-684-080 CAP,E 47-16V C370 87-015-681-080 CAP,E 10-16V C378 87-015-695-080 CAP,E 1.0-50V C500 87-016-040-080 CAP,0.047F-5.5V C502 87-015-684-080 CAP,E 47-16V C503 87-016-088-040 CAP,E 220-6.3V C505 87-015-684-080 CAP,E 47-16V C506 87-016-455-080 CAP,E 470UF-6.3V C524 87-010-265-080 CAP,E 33-16V C525 87-015-684-080 CAP,E 47-16V C526 87-010-408-040 CAP,E 47UF-50V C530 87-015-681-080 CAP,E 10-16V C531 87-015-695-080 CAP,E 1.0-50V C534 87-015-698-080 CAP,E 4.7M-50V C535 87-015-698-080 CAP,E 4.7M-50V C540 87-015-684-080 CAP,E 47-16V C541 87-015-698-080 CAP,E 4.7M-50V C546 87-015-684-080 CAP,E 47-16V C547 87-015-684-080 CAP,E 47-16V C561 87-015-684-080 CAP,E 47-16V C588 87-015-698-080 CAP,E 4.7M-50V C5F6 87-015-698-080 CAP,E 4.7M-50V C5F7 87-015-684-080 CAP,E 47-16V C5F8 87-015-684-080 CAP,E 47-16V C701 87-015-698-080 CAP,E 4.7M-50V C702 87-016-455-080 CAP,E 470UF-6.3V C704 87-010-544-010 CAP,E 0.1-50V C705 87-016-455-080 CAP,E 470UF-6.3V C708 87-010-403-040 CAP,E 3.3-50V CS501 S6-00R-DB0-04B SW SPPB62042 5V CS501 S6-00R-DB0-04C SW,MPU10252MLB4 MIC DIG5F1 S3-02R-2N0-03B DH SVV07MM16 MONO DIG5F1 S3-02R-1N0-03B LEVEL METER 7MT229GK ES501 S9-31R-001-6A0 SENSOR END ES502 S9-31R-001-6A0 SENSOR END !F101 S5-850-27B-000 FUSE,1600MA 250V !F102 87-020-840-080 ICP-N20 !F103 87-020-840-080 ICP-N20 !F106 S5-850-35V-000 F 2000MA 125 V 3-7.5 !FH01 S5-860-08B-000 FUSE CLUMP !FH02 S5-860-08B-000 FUSE CLUMP FL301 S6-330-32N-000 COIL,BIAC OSC DEO-010 KSE JK301 S5-720-80D-000 JACKBJP-404F !L101 S6-161-45E-000 FILTER KSE-145E !L101 S6-161-45G-000 FL SHT LFSQ2215V4-04220 L103 S6-330-88G-000 COIL,CHOCK TP 5MM L104 S6-330-88G-000 COIL,CHOCK TP 5MM L301 87-005-208-080 COIL,100 L302 87-005-208-080 COIL,100 L303 87-A50-002-080 COIL,270U 2.3-3.4-5 L304 87-005-696-080 COIL,100UH L305 87-005-688-080 COIL,22UH L306 87-005-685-080 COIL,12UH L309 87-005-208-080 COIL,100 L310 87-005-208-080 COIL,100 L311 87-003-152-080 INDUCTOR,100M 2.3-3.4-5 L3P1 87-003-129-080 INDUCTOR,6800 L3P2 87-005-696-080 COIL,100UH www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 8 REF. NO PART NO. KANRI DESCRIPTION NO. L501 87-005-208-080 COIL,100 L506 87-005-682-080 COIL,6.80UH L701 87-005-693-080 COIL,56M K 6-6-5 LD501 S9-31R-001-7A0 LED MS501 S6-00R-PY0-01B SW,MMS00420ZMBO MIC P3D01 S5-612-34Y-000 CONN,6P P3D02 S6-30R-5S0-08E CONN,6P P3D03 S5-612-51B-000 CONN,2P PMC01 S6-30R-2P0-05C CONN,8P PMD01 S5-612-34V-000 CONN,7P PMK01 S6-724-34B-000 CONN,5P PMK02 S5-618-43J-000 CONN,10P PML01 S6-30R-2S0-11A CONN,2P !PW101 S5-612-92B-000 CONN,2P !R101 S6-140-13C-000 RES,RCR50,2.2M J M15 !R102 S6-140-07K-000 RES,CEM 3.3-2W !R104 SR-S33-02K-619 RES,M/F 33K-2W !R105 SR-S12-00J-619 RES,M/F 120-1W RC5F1 S7-12R-293-8GA REMOCON RECEIVER RS501 S5-00R-AB0-02A SENSOR GP1S566 RS502 S5-00R-AB0-02A SENSOR GP1S566 SW701 S5-560-27C-000 SW,SLIDE !T101 S6-420-21E-000 PT,KSE-021E TU701 S7-00R-N3L-04A TUNER TADC-H002F !V101 S6-560-04C-000 V SVC681D-10A VR501 S6-130-32U-000 RES,VARIABLE (100K) X301 S2-02R-135-71E X’TAL,3.579675MHZ X301 S2-02R-135-71C X’TAL,3.579690MHZ X501 S2-02R-110-0AC X’TAL,10MHZ X501 S2-02R-110-0AE X’TAL,10MHZ 30PPM X502 S5-290-01K-000 X’TAL,32.768KHZ X502 S5-290-01B-000 X’TAL,32.768KHZ X503 S2-02R-114-3AA X’TAL,14.317872 X503 S2-02R-114-3AC X’TAL,14.317872MHZ X503 S2-02R-114-3AE X’TAL,14.317872MHZ X5F1 S6-180-10B-000 X’TAL,4MHZ ZD101 S9-7U0-3R3-1B0 ZENER,MTZ3.3B ZD151 SD-Z13-000-9AC ZENER,MTZ13B ZD152 87-070-334-070 ZENER,MTZ10B ZD501 SM-TZ6-8CT-000 ZENER,MTZ6.8C ZD502 83-NEG-677-080 DIODE,MTZ5.6B ZD503 87-A40-476-010 ZENER,MTZ6.2A ZD5F1 SD-Z51-000-9HA ZENER,MTZ5.1B 0.5W ZD701 87-002-743-080 ZENER,MTZ33B FRONT-1 C.B PMK02 S5-618-44J-000 CONN,10P SW5A1 S5-562-82C-000 SW,SKQNQED ALPS 5MM SW5A2 S5-562-82C-000 SW,SKQNQED ALPS 5MM SW5A3 S5-562-82C-000 SW,SKQNQED ALPS 5MM SW5A4 S5-562-82C-000 SW,SKQNQED ALPS 5MM SW5A5 S5-562-82C-000 SW,SKQNQED ALPS 5MM SW5A6 S5-562-82C-000 SW,SKQNQED ALPS 5MM FRONT-2 C.B LD5A1 SD-L53-110-0AA LED,SG5311(GRN) PMK01 S5-610-36D-000 CONN,5P SW5A0 S5-562-82C-000 SW,SKQNQED ALPS 5MM SW5A7 S5-562-82C-000 SW,SKQNQED ALPS 5MM SW5A8 S5-562-82C-000 SW,SKQNQED ALPS 5MM SW5A9 S5-562-82C-000 SW,SKQNQED ALPS 5MM TRANSISTOR ILLUSTRATION KRA103M KRC103M KTA1267 KTC3198 KTC3199 KTA1266 KTC3203 KTA1273 KTA1281 KTC3205 KTC4419 KTD1414 E C B E C B E C B E C B REF. NO PART NO. KANRI DESCRIPTION NO. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 9 WIRE HARNESS DIAGRAM 1 2 3 4 5 6 7 D.CTL M.GND DFG 12V PG GND 5.3V 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 GND MOTOR GND I-LIMIT CAP CTL 12.3V CFG CAP REV "H" 5.3V 1 2 3 4 5 6 7 8 1 2 3 4 5 6 CTL(+) CTL(-) A/E(-) A/E(+) A.REC A.PB 1 2 3 4 5 6 1 2 3 4 5 GND MODE S1 MODE S2 MODE S3 MODE S4 1 2 3 4 5 1 2 GND FULLERASE 1 2 LOWER DRUM CAPSTAN MOTOR MS501 MODE SW FULL ERASE HEAD CYL. HEAD MAIN C.B FRONT-2 C.B FRONT-1 C.B ACE HEAD PMD01 PMC01 P3D02 MS501 P3D03 1 2 LD(+) LD(-) 1 2 LOADING MOTOR PML01 P3D01 1 SP PB CH1 SP REC SP PB CH2 2 3 4 5 6 1 2 3 4 5 6 EP PB CH1 EP PB CH2 EP REC 1 PKM01 GND OTPB "H" 5.3VA K.RTN0 GND PMK01 2 3 4 5 1 2 3 4 5 1 PKM02 PMK02 2 3 4 5 6 7 1 2 3 4 5 6 7 8 8 GND 10 10 K.RTN1 9 9 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 10 BLOCK DIAGRAM-1 (POWER SECTION) NOTES: Symbol denotes AC ground. Symbol denotes DC chassis ground. HOT CIRCUIT BD101 R102 C111 R1J1 Q111 R106 C103 C104 R101 HOT GND F101 V101 BK WH PW101 AC120V 60Hz R103 R109 4 7 8 9 6 5 10 2 1 4 3 11 13 12 1 2 IC102 PC817 IC103 KA431AZ 3 T101 TRANSFORMER 4 2 3 1 (C101,L101) LINE FILTER BLOCK RECTIFIER & SMOOTHING (Q152,R153, C153,C154, ZD152) 9V REG. BLOCK (Q151,R151 ,R152 C151, C152, ZD151) 12V REG. BLOCK 36V SWITCHING BLOCK (D105, C115 R112) RECTIFIER & SMOOTHING FEED-BACK BLOCK (R116,R117,R118 R119,R120,R121 C114) RECTIFIER & SMOOTHING RECTIFIER & SMOOTHING DRIVE & OVER CURRENT LIMIT BLOCK + C1J1 + 12.3V(CAP) -29VA FD(-) FD(+) 36V 9V 12V(DRUM) 5.1VA 5.3VA 5.1V(D) SNUBBER BLOCK (Q112,D102,D103,D104,R105, R107,R108,C107,C108,C109) (D101,R104, C105,C106) (D107, C118, F102) (D109, C120, L104,C121) VOLTAGE DOWN (12V) (D151, D152, D153) (D106, C116, L103,C117) (Q158,R162, R163) 5V SWITCHING BLOCK (Q157, R164, R165) PWR CTL "H" RECTIFIER & SMOOTHING (D108, C119) ZD101 F106 2A/125V 5V SWITCHING BLOCK (F103,Q159, R166) D157 Q160 FROM SYSCON/ SERVO SECTION TO SYSCON/SERVO SECTION TO SYSCON/ SERVO SECTION TO AUDIO/VIDEO, TUNER/IF, SECTION TO TUNER/IF, SYSCON/SERVO SECTION TO AUDIO/VIDEO, SYSCON/SERVO SECTION TO TUNER/IF, SECTION 2 1 3 ! ! ! ! ! ! ! ! ! ! ! www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 11 BLOCK DIAGRAM-2 (AUDIO SECTION) T.A.IN L.A.IN 1 9 8 7 VCA DET REC AMP AMP PB EQ AMP 4 11 2 AUDIO REC/PB HEAD AUDIO REC/PB HEAD AUDIO ERASE HEAD :REC AUDIO SIGNAL :PB AUDIO SIGNAL 17 A.OUT 17 A.IN TU701 TUNER JK301 AUDIO IN JK301 AUDIO OUT BIAS OSC (FL301,Q301) SW (Q302,Q303) SW (Q304-Q306) FULL ERASE HEAD 5.1V(D) 5.1V(D) REC "H" TO SYSCON/SERVO SECTION IC301 HA118717NF VIDEO/AUDIO PROCESSOR www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 12 BLOCK DIAGRAM-3 (TUNER SECTION) 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 SW701 CH CH3 CH4 TU701 N.C A.OUT 20 19 V.OUT AFT IF N.C 30V N.C N.C REG 5V DATA CLOCK ENABLE N.C RF AGC V.IN CONTROL REG 5V CH S/W A.IN BUFFER Q701 VIDEO VCR 'H' CLOCK AFT TU VIDEO 36V 5.1V(A) DATA TU AUDIO MOD.A.IN LINE VIDEO VHF/UHF IN FROM ANT OUT TO TV From SYSCON/SERVO SECTION To/From AUDIO/VIDEO SECTION From POWER SECTION :REC AUDIO SIGNAL :PB AUDIO SIGNAL :REC VIDEO SIGNAL :PB VIDEO SIGNAL AFT: AUTOMATIC FREQUENCY CONTROL www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 14 13 BLOCK DIAGRAM-4 (VIDEO SECTION) + 51 52 42 39 44 46 35 29 21 26 24 23 18 19 50 22 20 14 13 15 VIDEO IN 60 58 62 69 63 73 71 81 87 88 VIDEO AGC CLEAR SYNC V. OUT D-V SYNC Y-CCD C-CCD CLOCK Drive 6dB AMP FBC Video ALC SQUEL CH C-SYNC LPF AGC DET CLAMP Y-LPF YNR CLAMP SYNC SEP D.E. C-LPF SPF ACC C-LPF NL Emph LPF LPF HPF VCA TRAP FBC ALC Main Conv2 Main Conv2 APC/ACC DET Main Emph FM MOD REC Trap REC-AMP SP CH2 REC-AMP SP CH1 MIX ATT B.E C.K CCD LPF L-DET VCA (-4dB) f0=1.68M f/0DEV Adjst X-tal VCO/OSC Serial Cont interface DATA CLOCK V.H/SW30 SP REC + + 51 42 39 44 14 13 62 69 63 81 89 84 IC301 HA118717NF AUDIO/VIDEO PROCESSOR 79 78 22 73 71 52 56 21 26 24 23 18 19 50 60 58 55 54 35 46 V. OUT D-V SYNC Y-CCD C-CCD CLOCK Drive FBC Video ALC LPF REC-AMP SP CH1 DATA CLOCK V.H/SW30 V.ENV SP PB CH2 SP PB CH1 Serial Cont interface X-tal VCO/OSC TRAP FM AGC P.EQ G.EQ D LIM Y LPF Main De-Empf DEMO S LPF 2M LPF ACC CTL Trap fh Trap HIFI Trap C LPF DEALY MIX AMP SQUEL CH CLEAR SYNC CLAMP CLAMP Sharpness CONTROL YNR NC SYNC SEP C-SYNC NL De-eMPH VCA C.K LPF BD BPF CCD LPF APC/ACC DET L- DET Main Conv2 Main Conv1 To/From SYSCON/SERVO SECTION From SYSCON/SERVO SECTION From CYL.HEADS X301 3.579MHz X301 3.579MHz From SYSCON/SERVO SECTION To/From SYSCON/SERVO SECTION From TUNER/IF SECTION To/From SYSCON/SERVO SECTION From SYSCON/SERVO SECTION To SYSCON/SERVO SECTION To CYL.HEADS 87 88 REC-AMP EP CH2 REC-AMP EP CH1 EP REC REC-AMP SP CH2 86 94 REC-AMP EP CH1 EP PB CH2 EP PB CH1 REC-AMP EP CH2 91 SP CH2 CH1 CH2 CH1 EP ATT -10dB ATT -10dB ATT -10dB 31 30 28 JK301 VIDEO IN :PB CHROMA SIGNAL :PB Y SIGNAL :REC CHROMA SIGNAL :REC Y SIGNAL :REC VIDEO SIGNAL :PB VIDEO SIGNAL IC301 HA118717NF AUDIO/VIDEO PROCESSOR • PB MODE • REC MODE D LIM: Double Limit FBC: Feed Back Clamp YNR: Y Noise Reduction APC: Automatic Phase Control ACC: Automatic Color Control w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 16 15 BLOCK DIAGRAM-5 (SYSTEM CONTROL SECTION) GND MODE S1 MODE S2 MODE S3 MODE S4 MODE S/W T-UP REEL T-UP END PML01 SUP REEL (CST.SW) 5.1VD CS501 5.3VA 5.3VA ES501 R550 LD501 DECK IR LED R553 R555 RS501 RS502 R556 Q514 Q515 R558 R548 C552 R5C6 C506 C501 C500 R542 D501 R541 R539 MS501 X501 10MHz 32.768KHz OSC OSC X502 M LD + LD 2 1 L/D MOTOR 12V(DRUM) R526 R525 5 6 4 7 8 1 10 Vcc 1 Vcc 2 OUT 1 OUT 2 GND IN 2 IN 1 Vref IC502 KA3082 LOADING MOTOR DRIVE C529 ZD501 2 1 2 RESET Vcc 3 5.3VA L501 5.3VA 9V IC504 KA7531Z RESET + + C561 C521 + C504 +C503 R516 R557 C536 SUP END ES502 R564 C537 R544 OSC R/C PMK01 PMK01 4 RC5F1 TSOP1238SP1 REMOCON SENSOR L506 R517 C518 C519 OSC X503 14.3178MHz + C532 C505 TO DECK ZD502 ZD503 Q522 Q503 Q501 CV IN 77 76 75 74 1 5 57 4 17 34 35 36 37 22 41 16 IC501 HD3977RC36F SYSCON/SERVO PROCESSOR MODE S1 I-Limit MODE S2 MODE S3 MODE S4 T-UP Sensor T-UP Reel SUP Reel CST IN Vcc (SYSCON) Vcc (SERVO) CAP. PWM CTL + CTL - DFG CFG CAP. RVS 'H' CAP. ACCEL DRUM ADJ. V. ENV V.H.SW30 C.Sync DPG D.V.Sync 72 73 OSC2 X1 X2 OSC1 70 69 53 52 50 fsc IN 13 KEY RTN 0 14 KEY RTN 1 fsc OUT Dosc IN 19 LD - LD + 20 31 32 38 40 61 80 81 12 24 87 26 39 27 25 78 DRUM PWM 42 Vcc (OSD) 3 SUP END Sensor 51 Dosc OUT 82 15 Vcc (A/D) 91 55 VCR 'H' PLL DATA PLL CLK CV OUT 9 AFT 6 SQPB IN 90 45 POWER FAIL 89 A. MUTE 'H' REC 'H' 79 62 43 54 C. sync (NOR) C. sync 55 PWR CTL 'H' 2 Vcc 3 IIC DATA IIC CLK 90 91 IC505 KA7542Z POWER FAIL DET. 1 1 2 3 4 5 R R PKM02 PMK02 9 FRONT-2 C.B FRONT-1 C.B CTL.GAIN ADJ CTL1 CTL2 CTL3 CTL OUT CTL. GAIN ADJ Q5J1 FROM POWER SECTION TO/FROM TUNER/IF SECTION TO POWER SECTION TO AUDIO/VIDEO SECTION 1 2 3 4 1 2 3 4 1 SW5A7 CH UP SW5A8 CH DOWN SW5A0 OPTB SW5A9 ONE-TOUCH PLAYBACK SW5A1 REC/ITR SW5A2 REW SW5A3 PLAY SW5A4 F.FWD SW5A5 STOP SW5A6 PAUSE/ STILL FLD ENV 94 FLD DATA OUT 97 FLD DATA IN FLD CLK 96 95 1 P15 P16 NC NC G1 G2 G3 G4 G5 P3 P2 P1 POWER LED SHUTTLE4 SHUTTLE3 SHUTTLE2 SHUTTLE1 DATA OUT DATA IN CLK 2 3 4 5 6 7 8 9 10 11 33 32 31 30 29 28 27 26 25 24 23 44 43 42 41 40 39 38 37 36 35 34 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 12 13 14 15 16 17 18 19 20 21 22 G6 G7 G8 G9 VPP IC5F1 MN12510 DISPLAY DRIVE VDD OSC1 OSC2 VSS ENA OSC X5F1 4MHz FD (+) FD (-) 5.3VA -29VA FROM POWER SECTION DIG5F1 DISPLAY Q506 Q509 D502 R503 w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 18 17 SCHEMATIC DIAGRAM-1 (POWER SECTION) NOTES) Symbol denotes AC ground. NOTES) Symbol denotes DC chassis ground. NOTES) Warning NOTES) Parts that are shaded are critical NOTES) With respect to risk of fire or NOTES) electricial shock. MAIN (POWER SECTION) C.B AC120V 60Hz C101 0.1u/275V ICP-N20 ICP-N20 (0.8A/50V) 12.3V(CAP) To AUDIO/VIDEO SECTION To TUNER/IF SECTION Front SYSCON/SERVO SECTION To SYSCON/SERVO SECTION To SYSCON/SERVO SECTION 2 1 3 IC103 KA431AZ (KIA431) IC102 PC817 35.5 35.6 34.9 5.3 5.2 4.6 5.3 5.1 5.7 15.0 12.1 12.7 12.1 9.8 9.2 ONE VOLTAGE:PB OR REC MODE : HOTCIRCUIT * w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 20 19 SCHEMATIC DIAGRAM-2 (AUDIO/VIDEO SECTION) VIDEO AUDIO IN OUT IN OUT From POWER SECTION To/From SYSCON/SERVO SECTION TU VIDEO LINE VIDEO From TUNER/IF SECTION (1/6) (1/4) R R EMPH VIDEO/AUDIO PROCESSOR (6/6) (2/4) (3/4) (4/4) To/From SYSCON/SERVO SECTION SQPB IN IN (4/6) (3/6) (2/6) 809 MOD.A.IN To/From TUNER/IF SECTION (5/6) 3.5796MHz X301 MAIN (AUDIO/VIDEO SECTION) C.B TU AUDIO VIDEO 5.1V(D) 5.1V(A) 2.5 2.5 0 0 0 0 2.5 0 2.8 2.5 2.5 2.5 2.5 2.5 5.0 1.6 (2.1) 1.6 (2.1) 2.3 - (0) 1.8 (0) 2.1 2.8 2.8 2.1 2.2 (2.4) 2.8 2.1 1.4 2.1 0 2.8 1.9 2.8 - - 0 0 0 2.7 2.7 1.7 5.1 5.1 5.1 5.1 5.1 2.5 0 0 0 0 - - - 2.8 1.9 2.1 2.8 - 2.8 2.8 2.8 5.0 - - - 2.3 (0) 5.0 5.0 0 2.5 2.5 2.1 2.2 2.1 - (2.7) 2.1 - - 2.8 2.1 (-) - 1.9 - 1.1 - -(0) 0 5.1 5.0 - - - 2.5 2.1(2.3) 2.1(2.3) 2.1(2.3) 2.1(2.3) 2.1(2.3) 2.1(2.3) 2.1(2.3) 2.1 (2.3) 0 (1.4) 1 2 3 3 3 4 5 6 7 8 9 9 10 11 12 12 12 12 13 13 13 13 0.3 (0.6) 0.3 (4.8) 0 0.3(4.5) 4.9 (4) 4.9 (0) 5.0 5.0 4.8 4.8 0 (4.8) 0 (4.8) 4.2 (4.8) 4.9 (-12.8) 0.7 (-13) 0 (-6.3) 0.7 (-13) To FULL ERASE HEAD To/From ACE HEADS To/From CYL. HEADS :REC Y SIGNAL :REC CHROMA SIGNAL :REC VIDEO SIGNAL :PB VIDEO SIGNAL :PB Y SIGNAL :PB CHROMA SIGNAL :PB AUDIO SIGNAL :WAVE FORMS No. :REC AUDIO SIGNAL ONE VOLTAGE:PB OR REC MODE TWO VOLTAGES:PB AND (REC) MODE * w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 21 WAVEFORM-1 (VIDEO SECTION) IC301 Pin $ 100mV/10µsec DIV VV/EE (Main De-Emphasis out) IC301 Pin ^ 100mV/10µsec DIV PB (Main De-Emphasis Peaking) IC301 Pin *, ¡, £ 100mV/10µsec DIV VV/EE Clamp Drive In Pin * Y-out (to 1H CCD) Pin ¡ Y-out (from 1H CCD) Pin £ IC301 Pin ⁄ 200mV/10µsec DIV EE (VIDEO IN) IC301 Pin < 100mV/0.2msec DIV REC/PB (2fsc) 1 2 3 4 5 6 7 8 9 0 ! @ # IC301 Pin 50 1.0mV/20µsec DIV VV/EE (C-SYNC OUT) IC301 Pin 52 500mV/10µsec DIV VV/EE (VIDEO OUT) IC301 Pin 54 220mV/20µsec DIV PB (C.OUT) IC301 Pin 86 , 87 , 88 , 89 500mV/2msec DIV SP REC (REC RF) IC301 Pin 78 100mV/5msec DIV PB (PB RF out) IC301 Pin 71 100mV/0.2msec DIV PB/REC (3.58MHz X-TAL IN) IC301 Pin 58 , 60 200mV/20µsec DIV VV/EE (from 1H CCD Pin 58 to 1H CCD Pin 60 ) IC301 Pin 91 , 92 , 93 , 94 500mV/2msec DIV EP REC (REC RF) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 22 WAVEFORM-2 (SERVO/OSD SECTION) IC501 Pin ≤ 1V/5msec DIV REC/PB (V.H/SW) IC501 Pin ≥ 1V/2msec DIV QUE/REV (D.V-SYNC) IC501 Pin ⁄ 1V/10msec DIV REC (CTL+) IC501Pin ¤ 1V/10msec DIV REC (CTL–) IC501 Pin ° 1V/1msec DIV REC/PB (DFG) IC501 Pin · 1V/10µsec DIV REC/PB (DPG) IC501 Pin . 500mV/10µsec DIV EE/PB (V-OUT) IC501 Pin ‚ 1V/1msec DIV REC/PB (CFG) IC501 Pin , 100mV/10µsec DIV EE/PB (V-IN) 1 2 3 4 5 6 7 8 9 0 IC501Pin 54 1V/20µsec DIV EE/PB (C-SYNC) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 24 23 SCHEMATIC DIAGRAM-3 (SYSTEM CONTROL/SERVO/OSD SECTION) 1 2 4 3 5 6 7 8 9 10 IC502 KA3082 LOADING MOTOR DRIVE To LOADING MOTOR To/From AUDIO/VIDEO SECTION To/From LOWER DRUM To/From CAPSTAN MOTOR From MODE SW R 0 5.3 5.1 R 0 5.3 5.1 R 0.2 0.2 5.0 0 0 To AUDIO/VIDEO SECTION GP1S566 GP1S566 R IC504 KA7531Z RESET (2/3) (2/3) (3/3) (3/3) (6/13) (1/3) (2/3) (1/3) (3/3) (2/3) (8/13) (11/13) (2/3) (3/3) (8/13) (7/13) (2/5) (1/3) (1/5) (13/13) (4/5) (5/5) (12/13) (3/5) (9/13) R 0 5.4 4.6 4.9 5.6 5.3 5.3 5.4 0.1 0 0.7 3.6 :WAVE FORMS No. ONE VOLTAGE:PB OR REC MODE TWO VOLTAGES:PB AND (REC) MODE FLD: Fluorescence Drive * HD3977RC36F IC501 SYSCON/SERVO PROCESSOR KA7542Z POWER FAIL DET. X503 14.3178MHz DISPLAY DRIVE RC5F1 TSOP1238SP1 REMOTE SENSOR (2/13) (4/13) (3/3) 14(3/3) 13(3/3) (2/3) (2/3) (3/13) K.RTN1 K.RTN0 From FRONT-1 C.B PKM02 To/From FRONT-2 C.B PMK01 IIC DATA IIC CLOCK (3/3) (1/3) (1/13) (3/3) IIC DATA IIC CLOCK SQPB IN To/From TUNER/IF SECTION To/From AUDIO/ VIDEO SECTION To/From POWER SECTION DISPLAY MAIN (SYSCON/SERVO SECTION) C.B ( ( VIDEO 30 6 6 5.1V(D) C-SYNC “H” 0 0.9 2.9 1.8 1.8 12.2 12.2 0.9 0.4 (0.5) 0.4 (0.5) 0.4 0 0 0 0 4.5 4.5 0 5.1 5.0 0 5.2 0 5.0(0) 0 5.1 2.5 2.5 2.7 2.4 0 2.5 2.9 (2.3) 2.2 0 0.1 2.2 2.2 2.2 2.2 4.4 2.5 5.2 5.3 2.6 1.3 2.6 0 2.0 0 0 1.2 0 0 5.1 1.5 3.5 5.1 0.2(2.3) 2.3(4.2) 1.2(0) 2.4 2.4 0(0.4) 5.0 0 5.1 0 0 4.9(4.5) 5(0) 0 0 0 5.0 0.2 0 0 1.5 0.8 0 2.5 2.5 5.4 0 5.4 5.0 3.1 0 2.7 1.2 5.1 0 0 0 0 4.6 0 4.3 4.8 4.8 0 0 4.8 0(4.8) 4.8 4.8(0) 0 0 0 w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 26 25 SCHEMATIC DIAGRAM-4 (TUNER SECTION) CH4 CH CH3 VHF/UHF IN FROM ANT OUT TO TV TU VIDEO TU AUDIO LINE VIDEO VIDEO To/From SYSCON/SERVO SECTION From POWER SECTION To/From AUDIO/VIDEO SECTION MAIN(TUNER/IF SECTION)C.B ONE VOLTAGE:PB OR REC MODE * :REC AUDIO SIGNAL :PB AUDIO SIGNAL :REC VIDEO SIGNAL :PB VIDEO SIGNAL FL DISPLAY • GRID ASSIGNMENT • ANODE CONNECTION w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J 28 27 WIRING-1 (MAIN C.B SECTION) AC120V 60Hz F101 R102 FH01 FH02 V101 C101 R101 L101 BD101 R1J1 R106 R109 B C E E C B 1 3 4 5 7 9 11 13 1 2 3 4 IC102 ES501 E C B B C E ZD151 E C B E C B E C B E C B B C E E C B VR501 5 10 7 3 1 PMK02 5 3 1 MS501 7 1 8 2 PMC01 B C E B C E B C E B C E E C B E C B B C E B C E B C E E C B 2 1 PML01 1 3 5 7 10 IC502 1 3 4 6 FL301 VR301 L301 R313 R312 1 5 6 2 P3D02 1 3 7 2 6 PMD01 5 1 10 15 20 25 30 51 55 60 65 70 75 80 31 35 40 45 50 81 85 90 95 100 IC301 1 5 2 6 P3D01 LD501 E C B SW701 SW701 TU701 1 3 5 6 8 10 12 14 16 17 19 20 2 1 P3D03 ES502 B C E E C B B C E PMK01 1 3 5 X502 CS501 1 5 10 15 20 25 30 51 55 60 65 70 75 80 31 35 40 45 50 81 85 90 95 100 IC501 1 3 2 4 RS502 E C B B C E E C B B C E 1 5 11 23 30 33 34 40 44 22 15 12 IC5F1 B C E 1 3 2 4 RS501 X5F1 30 32 24 22 26 28 19 20 34 37 38 1 2 5 7 9 11 12 DIG5F1 1 3 RC5F1 RC5F1 (REMOTE SENSOR) MS501 To MODE SW DIG5F1 (DISPLAY) CS501 (CST/TAP.SW) VHF/UHF AUDIO CH IN FORM ANT IN OUT VIDEO IN OUT OUT TO TV P3D02 To ACE HEADS P3D01 To CYL. HEADS PMD01 To LOWER DRUM PMC01 To CAPSTAN MOTOR PML01 To LOADING MOTOR To FRONT-1 C.B PKM02 C107 D102 C1J1 Q111 C109 Q112 R105 D103 C103 D108 D105 C119 D106 D109 L103 D111 R164 R152 R151 R153 C154 ZD152 C152 R165 D157 R171 R166 R119 C509 C505 D107 F102 C5F6 C501 ZD503 R542 R578 R577 R576 R575 R5F9 R5F8 R5F5 R5G0 R5G1 R5G2 R5G3 R5G4 C5F8 C564 R568 C527 R519 R532 C524 C506 C531 Q531 R527 R559 C516 R5E7 C508 C511 C532 C556 C557 R5E8 R558 C596 C504 R518 R582 R5C6 X503 C590 R517 L506 C588 R509 R5J1 R5J2 R5J3 Q5J1 C502 C500 C701 C704 R706 R707 R708 R831 R710 R709 R512 R506 C347 C345 R332 C378 C358 C357 C353 R336 L311 C371 C372 C364 C363 C361 C362 C369 C368 L309 C365 L310 R301 C301 C302 R307 R335 R331 C354 R308 C313 R309 C314 Q301 R120 R121 R514 R526 R525 ZD501 C530 C526 C525 R528 R557 C536 C522 R523 R513 Q303 Q3J2 Q3J1 Q3J3 Q302 Q307 Q304 C114 R341 R340 C546 C528 C315 C320 R310 R5C5 C534 C533 F106 R311 L302 C316 R322 C324 C328 C335 L304 C334 L305 C341 C336 R329 C342 C340 C343 R330 C318 C321 C3J1 R3J1 L303 R325 R3J7 C319 R327 C323 C529 D151 D152 D153 R118 C312 C329 C370 R328 C3P2 L3P2 R342 L3P1 C3P1 C307 C305 C304 R339 R318 C306 C310 R306 R314 R315 R320 C309 R321 C308 R304 C303 R303 R302 C367 C366 C350 R333 C349 C352 R334 C351 C344 C346 L306 R531 C537 R570 R504 R564 R507 C535 R548 C562 C542 C523 Q509 Q5J2 R522 R5B1 R5F6 C581 R5B3 R560 R556 R5F7 D501 R162 C104 C108 R107 R108 D104 C111 R103 D101 C106 R104 T101 R111 C115 C116 C120 R112 C121 C117 Q158 Q159 Q160 R5F1 R5F2 R539 L502 C5F7 Q501 Q503 R581 C551 C544 R553 Q514 R508 R510 R501 R502 R521 R5G5 R5G6 ZD5F1 C5F4 R5H1 R5C9 R5B4 C582 R555 R547 R5B5 D502 R503 R550 R569 C584 R546 R505 C545 R563 C543 R543 R579 C512 C514 X501 C571 C570 C541 C519 C591 R599 R516 C518 R567 R544 L501 C521 C561 C503 C540 ZD502 R536 Q522 R511 IC505 Q506 R533 R580 C520 R5C7 ZD701 C703 C709 L701 C702 R830 Q701 JK301 C710 R703 R702 R711 R326 C331 C708 R323 C705 X301 C348 C360 C355 C322 C317 C311 R324 C326 C330 C332 C325 C338 C337 R338 C339 C333 C327 Q305 Q306 C359 R319 C548 R701 C510 C547 IC504 C515 R515 R534 C513 Q515 C507 C575 C574 C567 D5E5 R5G7 D5F4 R169 R5C1 R5C2 R5C3 R5C4 R541 Q157 R163 C153 C118 ZD101 L104 Q151 C151 Q152 C105 R117 R116 1 3 1 3 3 1 IC103 MAIN C.B CH3 CH4 P3D03 To FULL ERASE HEAD PMK01 To FRONT-2 C.B PMK01 PW101 IC503 1 3 5 7 8 4 w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 30 29 SCHEMATIC DIAGRAM-5 (FRONT-1 SECTION) SCHEMATIC DIAGRAM-6 (FRONT-2 SECTION) WIRING-2 (FRONT-1 C.B SECTION) WIRING-3 (FRONT-2 C.B SECTION) 1 2 3 4 5 6 A B C D E F G H I J PKM01 Q5A1 LD5A1 C5A1 SW5A9 POWER SW5A8 CH DOWN SW5A7 CH UP SW5A0 OPTB R5A8 R5A9 R5A6 R5A7 1 5 B C E FRONT-1 C.B PKM02 SW5A3 PLAY SW5A5 STOP SW5A4 FF SW5A1 REC SW5A6 P/STILL SW5A2 REW 5 1 10 R5A3 R5A4 R5A5 R5A1 R5A2 To MAIN C.B PMK02 FRONT-2 C.B To MAIN C.B PKM01 R 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 GND OTPB "H" 5.3VA K. RTN 0 GND PMK01 R5A9 120 LD5A1 SG5311 Q5A1 KRC103M SW5A7 CH UP SW5A8 CH DOWN SW5A9 SW5A0 OPTB SW5A6 SW5A5 SW5A4 SW5A3 SW5A2 SW5A1 R5A6 1.8K R5A7 1.5K R5A8 2.2K R5A5 3.9K R5A4 2.7K R5A3 2.2K R5A2 1.5K R5A1 1.8K GND K.RTN 1 PKM02 FRONT-2 C.B FRONT-1 C.B To MAIN C.B SYSCON/SERVO SECTION PMK01 ( ) To MAIN C.B SYSCON/SERVO SECTION PMK02 ( ) REC/ITR REW/ PLAY /F FWD STOP PAUSE/ STILL ONE-TOUCH PLAYBACK w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Pin No. Pin Name I/O Description 31 I – I I I I I I I I I I I End sensor to detect the tape’s terminal (Lead taps section). If “H” is detected signal in the REW, REV modes, the mechanism stops and ejects the cassette automatically. GND End sensor to detect tape’s terminal (Lead tape section). If “H” signal is detected in the FF mode, then REW mode will occur automatically. 1. When the tape is transporting. Reel pulses are input. 2. If the tape is transporting and take-up reel pulses are not input during regular time, the unit stops at STOP point automatically. 3. Distinguishes the tape type, counts the tape remaining and reduces the tape speed at the end of FF/REW modes. 1. When the tape is transporting, Reel pulses are input. 2. Distinguishes the tape type, counts the tape remaining and reduces the tape speed at the end of FF/REW modes. 3. If supply reel pulses are not detected, FF/REW mode is not operating normally. And the unit stops at stop point automatically. (Refer to table of pin 17.) Input “H” signal from AVCP in super tape PB mode. (option) Audio “L” signal input for driving level meter on FDP. Audio “R” signal input for driving level meter on FDP. Port to detect AFT (+)’s state during tuning. When more than 4V, is detected by AFT (+) detector. Detects AFT (–)’s state during tuning. When less than 0.96V, is detected by AFT (–) detector. A DC bias level set by VR501 determines the pulse width of PG M.M for H. S/W 30 switching interval. Input signal to detect Hi-Fi signal. Main signal to perform auto tracking mode. V.ENV signal is the sub signal. 1. Reference input signal to perform auto tracking mode. Video envelope (F/F) signal is input through LPF. 2. Perform auto tracking mode by sampling video envelope signal which is input during a period of head switching and changing servo tracking data to obtain maximum value. Note : When the DC level of the envelope is at its maximum, it is considered tracking properly. KEY RTN 0 1 2 3 4 5 6 7 8 9 10 11 12 13 TAKE UP SENSOR VSS (A/D) END SENSOR TAKE UP REEL SUPPLY REEL SQ PB IN LEVEL METER “L” LEVEL METER “R” AFT PG ADJ A.ENV V.ENV KEY RTN 0 IC DESCRIPTION IC, HD3977RC36F Each operating mode Sec PLAY, REC SP=3 EP/LP=6 FF, (REW) 2 CUE, (REV) 1 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Pin No. Pin Name I/O Description 32 KEY RTN1 1. Input detector port of A/D input key. Samples 256 steps with AVcc in the center and confirms which key is pressed by the input voltage. 2. Key voltage table. 3. Excluding above item’s key sfter receiving, detecting and amplifying the remocon data from the remocon receiver (RC5F1), decodes input signals from µ-COM (pin 82), performs its key operation. A/D Vcc. 1. Initially 5.3 VA is applied to Vcc pin 22 of µ-COM. This pulses is applied to clear the RAM inside the µ-COM and to reset programs to 0000H in ROM. 2. Reset timing pulse. Output “H” port to CTL gain control in FF/REW mode. Input signal for automatic clock setting 1. Output signal to IC502 for control of the loading motor’s direction of rotation. 2. Control table of loading motor’s driving direction. Switches capstan Vcc to 24 V for high speed rewind. SYSCON Vcc. No. KEY NAME A/D RANGE 1 SP/EP 0.0V ~ 0.45V 2 CH UP 0.46V ~ 0.96V 3 CH DOWN 0.97V ~ 1.47V 4 STOP/EJECT 1.48V ~ 1.97V 5 REC/ITR 1.99V ~ 2.48V No. KEY NAME A/D RANGE 1 PAUSE 0.0V ~ 0.45V 2 FF 0.46V ~ 0.96V 3 REW 0.97V ~ 1.47V 4 PLAY 1.48V ~ 1.97V 5 POWER 1.99V ~ 2.48V 5.3VA 3.1V 1.5V RESET PULSE RESET Period Vcc t t Pin 19 Pin20 Rotation of Loading Motor H H Brake Mode. H L Reverse Direction. L H Forward Direction. I – I O I O O – KEY RTN 1 VCC(A/D) RESET CTL GAIN ADJ JUST CLOCK IN LD (–) LD (+) HSR “H” (24V) Vcc(SYS) 14 15 16 17 18 19 20 21 22www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Pin No. Pin Name I/O Description 33 Output for the audio head switching 30Hz to the Hi-Fi circuits is made by inputting DPG, DFG signal through pin 38, 39 for switching Hi-Fi head. Refer to pin 24. Pulses output for switching video head A and B. - Produces PG M.M pulses internally by using inputted DPG, DFG pulses to pin 38, 39. - Produces video head switching 30 Hz pulses by sychronizing at edge point of first PG. M.M.(PG monostable multivibratior) - Produces audio head switching 30 Hz pulses by synchronizing at edge point of second PG.M.M. - Output pulses (PWM waveform) for controlling capstan motor speed and phase; control feedback voltage which is inputted to the capstan motor driver IC. - Output pulses (PWM waveform) for controlling capstan motor stop and drive during slow mode. Output pulses (PWM waveform) for controlling drum motor speed and phase; control feedback voltage which is inputted to the drum motor driver IC. Provides an output sync signal to prevent the picture from rolling upward or downward, when the video track is not being scanned in the search mode. A pulse to control phase of color at Y/C circuit. Apulse for switching the HEAD SP and EP on the DRUM. A reference signal for switching video head (SPA, SPB, EPA, EPB) on the drum in search the mode. CTL pulse is outputted at recording, CTL pulse is inputted at playback. Functions which control capstan motor phase at playback, check tape speed, Viss and Real time counter are performed by using CTL pulse (input/output). Servo circuit GND in the µ-COM. Port for gain (Amp) control of CTL pulse during recording and playback. D.FG pulse input according to rotation of drum motor. Produces Audio/Video Head S/W 30Hz by using these pulses. And it is used as a comparison signal for speed control of the drum motor. One D.PG pulse is generated for each rotation the drum motor and inputted to µ-COM. When producing Head S/W pulses, D.PG pulse is used as reference point, and it is used as comparision signal when controlling drum motor phase. C.FG pulses are generated by the rotating capstan motor and are inputted to µ-COM. When checking tape speed and controlling. The capstan motor phase, These CFG pulses are used as comparison signal. Vcc for servo circuit in the µ-COM. Vcc for OSD circuit in the µ-COM. When the OSD display function is activated both video and text are present, when in the EE or PB modes. A.H.S/W 30 V.H.S/W 30 CAPSTAN PWM DRUM PWM D.V. SYNC. COLOR ROTARY HEAD AMP S/W COMP IN CTL (+) CTL (–) Vss (SERVO) CTL 1 CTL 2 CTL 3 CTL OUT D.FG D.PG C.FG Vcc (SERVO) Vcc (OSD) 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 O O O O O O O I I/O – I/O I I I I I 43 CV IN I www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Pin No. Pin Name I/O Description 34 GND. The video signal is output to the RF modulator and line output jack. GND. Horizontal sync is used to lock the OSD. (Reduce Jitter) GND. OSD DOT CLOCK oscillator. (OSD charactor oscillator) Determining the horizontal position (left or right) of OSD. Oscillator for OSD Sync. signal. Generating a blue background. - Receives composite signal from Y/C circuit. - Separates V-sync and H-sync in the OSD internal block. - The sync signal determines the character position of OSD. 1. Turns on modulator thus allowing audio/video signal to output on CH3 or CH4. 2. Selects TV mode automatically upon turn on. 3. Output “H” turns power on to the VCR. 4. If tape is loaded in the VCR, PB mode is automatically selected. Output “H” port to control, CFG gain control port in PB mode. 1. Port to detect CST(cassette tape) switch input state. 2. With CST S/W input state, determaines whether CST tape is inserted or not. C-sync input port for servo control. High “H” applied, turns on the OSD or POWER. 1. A signal to switch voltages (5.3V, 12V) on/off whitch is controlled by the power key. 2. Outputs “H” in power On mode. Outputs “L” in power Off mode. A signal to control capstan motor’s direction of rotation. “L” output = Reverse direction. “H” output = Forward direction. 1. Outputs “H” to mute audio signal in search mode and without sync signal. 2. Outputs “H” to eliminate pop noise generated in each mode during early switching point (Approx. 500ms) (EE/VV, TUNER/LINE, POWER ON/OFF, CH. UP/DOWN etc.) Switches capstan motor voltage to 18 V. Output “H” port to light the OTPB LED. Output chip enable signal for ACSS IC (IC5A1) Output “H” port in auto clock setting mode. Option check port GND. 1. 32.768 kHz oscillator is used as standard clock for clock display. 2. When Vcc supplied, oscillation occurs. µ-COM main ground. Vref (OSD) CV OUT CHAR BIAS AFC LPF AFC OSC Vss (OSD) DOSC IN DOSC OUT 4fsc OUT 4fsc IN COMPOSITE SYNC. VCR “H” SERVO PB “H” CST SW “H” C-SYNC “H” OSD “H” POWER CONTROL “H” CAPSTAN REVERSE “H” AUDIO MUTE “H” Z-SEARCH “H” (18V) OTPB “H” EXT REC “H” JUST PWR ON OPT RTNC (CTL MON) TEST “H” X-TAL 2 X-TAL 1 Vss (SYS) 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 – O – I – I O O I I O O I I O O O O O O O O I I O I – www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Pin No. Pin Name I/O Description 35 1. 10MHz oscillator is used to generate the standard clock used to operate the u-COM. 2. When Vcc is applied, Oscillation occurs. (But, when “L” is applied to pin 89 in power failure, Oscillation stops.) 1. Port to detect the mechanism’s position. 2. Deck and Mode SW Positions. 1. Input signal for stopping capstan motor. 2. When this port inputs “L”, the capstan motor stops. 1. When REC mode is operaing normally, outputs “H”. 2. Switched to REC mode by operating audio, Y/C pre-amp. 3. Outputs “H” and record audio, video signals on the tape. Pulse output to control capstan motor in slow mode. Pulse output to control drum motor in slow mode. RETURN EJECT ULC LOADING START LOADING END NONE REV PLAY BRAKE FF, REW I O I I O O O 72 73 74 75 76 77 78 79 80 81 OSC 1 OSC 2 MODE SW4 MODE SW3 MODE SW2 MODE SW1 I-LIMIT REC START “H” CAP ACCEL “H” DRUM ADJ UNLOADING LOADING 1 L H L H RETURN 2 L L L H EJECT 3 L L H L ULC 4 L H H L LOADING START 5 H H L L LOADING END 6 H L L L TUNE 7 H L H H REV 8 H L H H PLAY 9 H L L H STOP 10 H H L H FF, REW MODE MODE MODE MODE DECK POSITION SW4 SW3 SW2 SW1 NAME No. * Description of Deck Positions Cassette insertion standby mode For cassette insertion and ejection Mode in which base assemblies P2 and P3 are completely unloaded status (unloading complete) Mode in which base assemblies P2 and P3 can load tape after cassette loading is completed. Mode in which base assemblies P2 and P3 have completely loaded tape. Also used for "power off mode". None "REV" or "-SLOW" mode "Playback/Still/Slow/Stop" mode. Mode that drives the brake (take-up, supply) to stop tape during "fast forward" or "rewind". FF, REW / "Fast forward" or "Rewind" mode www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Pin No. Pin Name I/O Description 36 82 83 84 85 86 87 88 89 90 91 92, 93 94 95 96 97 98 ~ 100 R/C G4 G3 G2 G1 COMPOSITE SYNC. (INV) — POWER FAIL IIC CLOCK IIC DATA S9, S8 S7/FLD ENABLE S6/FLD CLOCK S5/FLD DATA IN S4/FLD DATA OUT S3 ~ S1 I O I — I O O O O O I O O 1. This pin receives remocon data through RC5F1, which amplifies and detects the R/C signal. 2. After input signal is decoded in µ-COM (IC501), and performs related key operation. For LED clock model. 1. Input C-Sync (composite sync) to confirm whether video signal is present or not. 2. Confirms by counting 1H (63.5µsec) horizontal sync for a fixed time period. Not connected. 1. When a power failure is detected, this pin goes “L” and the following sequence of events occurs. 2. Power failure detector timing sequence. A reference CLOCK for Hi-Fi, TU/IF, MTS, SPEAKER A reference DATA for Hi-Fi, TU/IF, MTS, SPEAKER For LED clock model. Outputs chip enable signal for FLD Drive IC (IC5F1). Outputs clock signal to operate FLD Drive IC (IC5F1). Serial interface signals for FLD Drive IC control. For LED clock model. AC POWER ON AC POWER OFF t t t t t t Power failure compensation cancel state Power failure compensation state (µ-COM memory loss state) Vcc for (Back-up) AVcc No (Back-up) Power failure signal 10MHz OSC 36.768kHz OSC Reset pulse Power failure compensation relation Normal operation state 5.3VA www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 37 IC BLOCK DIAGRAM IC, HD3977RC36F 53 52 4 fsc in 4 fsc out 43 C.Vin 44 Vref 46 CHAR bias 50 Dosc in 51 Dosc out 47 AFCLPF 48 AFCOSC 42 Vcc(OSD) 49 Vss(OSD) 30 COMP IN 28 C.Rotary SW 29 H.Amp SW 27 D.V SYNC 23 A.H.SW30 24 V.H.SW30 39 D.PG 38 D.FG 26 DRUM PWM 25 CAP.PWM 40 C.FG 37 CTL FB PB-CTL DUTY DETECT REC-CTL VISS DETECT DUTY I/O REC-CTL GEN.CIRCUIT REC ASM X-VALUE CORRECTION REF30X (PLA) (NTSC) REC ATF PB ASM PHASE ERROR DETECT DIGITAL FILTER REC D.V CFG PB ASM SPEEED ERROR DETECT DIVIDE CIRCUIT PWM PWM SPEED ERROR DETECT AMP AMP HEAD SWITCHING GEN.CIRCUIT ES (HSW) A/D TRIG. SYNC.SEP. CIRCUIT V.SYNC SERVO PART SYNC.SEPARATOR CIRCUIT HD AFC GENERATOR CONTROL DOT CLOCK GENERATOR DISPLAY CONTROL CONTROL CIRCUIT DISPLAY POSITION INTERNAL BUS DISPLAY DATA RAM(240BYTE) ACCESS FONT DATA ROM (128 CHARACTER) OUTLINE CONTROL SHIFT REGISTER DISPLAY DOT CONTROL CHARACTER LUMINANCE CONTROL OUTLINE LUMINANCE CONTROL Vchar Vec C.Vout BLUE BACK SUPERIMPOSE BLUE VIDEO SIGNAL BLUE SIGNAL/ LUMINANCE GEN. SYNC.SIGNAL GENERATOR H V SYNC.TIP CLAMP 4/2 fsc GENERATOR COLOR BURST COLOR PHASE 45 REGISTER H/V SEPARATOR H.SYNC C.SYNC V.SYNC SYSTEM CLOCK REFERENCE SIGNAL REFERENCE SIGNAL REC:ON RES 4 HEAD SPECIAL PLAY CONTROL CIRCUIT D.V SYNC GEN.CIRCUIT DIGITAL FILTER OUT OUT SPEED ERROR CORRECTION FILTER A/D CONVERTER ANALOG PORT DIGITAL FILTER EP PHASE ERROR DETECT REF30P(PB:30Hz,REC:1/2VD) C.REF. DIGITAL FILTER DIVIDE CIRCUIT CTL OUT 34 CTL1 35 CTL2 36 CTL3 31 CTL+ 32 CTL- www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 38 ADJUSTMENT Test Equipment • Oscilloscope • Test Tape • AC Millivolt Meter TTV-P1 IC502 P3D02 IC301 PMC01 IC5F1 PG ADJ. VR501 MS501 IC501 PMK02 T101 H/SW P3D01 TU701 W321 W322 MAIN C.B (TOP VIEW) Adjustment Location www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 39 1. Servo Adjustment 1) PG Adjustment MODE MEASUREMENT POINT ADJUSTMENT POINT SPECIFICATION PLAY VIDEO OUT VR501 6.5 ± 0.5H (TTV-P1) H/SW (W321, W322) • Adjustment Procedure 1. Insert the PAL SP Test Tape (TTV-P1) and play. Note - Adjust the distance of X, pressing the Tracking(+) or Tracking(-) when the “ATR” is blink after the PAL SP Test Tape is inserted. 2. Connect the CH1 of the oscilloscope to the H/SW (W321, 322) and CH2 to the Video Out for the VCR. 3. Trigger the mixed Video Signal of CH2 to the CH1 H.SW (W321, W322), and then check the distance (time difference), which is from the selected A(B) Head point of the H.SW(W321, W322) signal to the starting point of the vertical synchronized signal, to 6.5H ± 0.5H (412µs, 1H=63.5µs). • WAVEFORM H/SW 6.5H(412µs) Composite VIDEO www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 40 MECHANICAL EXPLODED VIEW 1/1 1 2 3 4 A 5 6 7 FRONT-1 C.B FRONT-2 C.B 8 C C B B 10 MAIN C.B 12 DIG5F1 11 9 B B B B B www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 41 REF. NO PART NO. KANRI DESCRIPTION NO. MECHANICAL MAIN PARTS LIST 1/1 Basic color symbol Color Basic color symbol Color Basic color symbol Color B Black C Cream D Orange G Green H Gray L Blue LT Transparent Blue N Gold P Pink R Red S Silver ST Titan Silver T Brown V Violet W White WT Transparent White Y Yellow YT Transparent Yellow LM Metallic Blue LL Light Blue GT Transparent Green LD Dark Blue DT Transparent Orange COLOR NAME TABLE 1 S7-21R-F09-4H0 PANEL ASSY FRONT 2 S7-20R-F07-2G0 PANRL,FRONT 3 S4-426-81A-000 SPR,DOOR 4 S5-80R-003-3J0 DOOR,CST 5 ——— COVER BOTTOM 6 ——— DECK ASSY D33 7 ——— FRAME MAIN 8 S1-10R-012-8E0 CASE TOP BACK ! 9 S4-10R-GHC-01A CORD POWER 10 S7-21R-D01-8F0 PANEL RCA ASSY DISTRIBU 11 S1-11R-008-9B0 CASE ASSY 12 S9-30R-013-3A0 HOLDER DIGITRON A S3-530-51A-000 SCREW,SPECIAL B 87-741-097-410 SCREW,3-12 C S3-531-36A-000 SCREW,SPECIAL(FBK) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 42 MECHANISM EXPLODED VIEW 1/3 401 002 001 023 024 032 406 406 406 028 504 014 012 504 017 013 022 015 401 401 A01 007 006 005 A03 009 008 A02 025 026 027 A04 011 031 010 018 019 021 020 029 004 409 016 003 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 43 REF. NO PART NO. KANRI DESCRIPTION NO. MECHANISM MAIN PARTS LIST 1/3 001 ——— SUB DRUM ASSY D33-4CH 002 S6-80R-B00-04A MOTOR(MECH) 002 S6-80R-B00-05A MOTOR(MECH) DRUM GVD-033A 003 S9-30R-010-7A0 HOLDER FPC 004 S0-06R-002-0A0 CAP,FPC 005 ——— CAP,FPC 006 ——— ROLLER CLEANEA 007 ——— CLEANER ARM ASSY 008 S9-70R-004-3A0 SPRING T/UP 009 ——— T/UP ARM 010 S7-70R-000-4A0 BAND ASSY TENSION(MECH) 011 S2-61R-000-4A0 ARM ASSY TENSION 012 S0-41R-000-3A0 BASE ASSY P2 012 S0-41R-000-3B0 BASE ASSY P2 013 S0-41R-000-4A0 BASE ASSY P3 013 S0-41R-000-4B0 BASE ASSY P3 014 S0-41R-000-7A0 BASE ASSY P4 015 S8-70R-000-1A0 OPENER LID 016 S0-41R-000-5A0 BASE ASSY A/C HEAD 016 S0-41R-000-5E0 A/C HEAD BASE ASSY 017 S4-08R-000-1A0 REEL S 018 S9-70R-005-4A0 SPRING SB 019 S4-21R-000-3A0 BRAKE ASSY S 020 S9-70R-005-3A0 SPRING TB 021 S4-21R-000-4A0 BRAKE ASSY T 022 S5-238-33B-000 HEAD FE D33 022 S5-238-33C-000 FE HEAD 023 S9-80R-001-0A0 SUPPORTER CST 024 S2-61R-000-9A0 ARM ASSY IDLER-J 025 S8-10R-005-3A0 BRACKET L/D MOTOR 026 S6-81R-000-7A0 MOTOR ASSY L/D 027 S4-70R-002-5A0 GEAR WHEEL 028 S4-08R-000-2A0 REEL T 029 S2-61R-001-1A0 ARM ASSY PINCH 029 S2-61R-001-1B0 PINCH ARM ASSY 031 S9-70R-005-2A0 SPRING TENSION 032 S1-41R-000-2A0 CHASSIS ASSY 401 87-261-071-410 PAN HEAD SCREW 2.6-4 406 87-261-094-410 PAN HEAD SCREW 3-6 409 87-741-095-410 SCREW,PAN HEAD 3.0-8.0 504 S3-540-01B-000 WASHER,P.S 3.1-6-0.5 A01 S7-23R-010-2C0 DRUM ASSY D33-4CH A01 S7-23R-B10-2C0 DRUM(CIRC) ASSY A01 S7-23R-D10-2C0 DRUM(CIRC) ASSY A02 ——— ARM ASSY A02 S2-61R-001-2B0 T/UP ARM ASSY A03 S2-61R-000-3A0 ARM ASSY CLEANER A04 ——— BRACKET ASSY L/D MOTOR REF. NO PART NO. KANRI DESCRIPTION NO. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 44 MECHANISM EXPLODED VIEW 2/3 056 057 054 053 426 077 426 410 032 071 073 074 075 076 072 078 A12 A13 067 066 065 A11 068 069 070 079 426 064 518 052 055 518 517 061 060 063 517 051 059 A14 058 062 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 45 REF. NO PART NO. KANRI DESCRIPTION NO. MECHANISM MAIN PARTS LIST 2/3 032 S1-41R-000-2A0 CHASSIS ASSY 051 S4-00R-000-5A0 BELT CAPSTAN 052 S6-80R-000-2A0 MOTOR(MECH) 052 S6-80R-A00-03A MOTOR(MECH) 053 S9-74R-001-8A0 GUIDE RACK F/L 054 S4-70R-003-7A0 GEAR RACK F/L 055 S4-70R-003-3A0 GEAR DRIVE 056 S4-70R-003-2A0 GEAR CAM 057 S4-70R-003-6B0 GEAR CONNECT 058 ——— BRAKE CAPSTAN 059 S9-70R-005-9A0 SPRING CAPSTAN 060 S5-10R-002-5A0 LEVER F/R 061 S2-65R-000-2A0 CLUTCH ASSY 062 S4-70R-004-4A0 GEAR ASSY UP/D 063 S9-70R-005-1A0 SPRING UP/D 064 S4-70R-003-4A0 GEAR SECTOR 065 ——— LEVER P3 066 ——— SPRING L/D 067 ——— GEAR P3 068 ——— GEAR P2 069 ——— SPRING L/D 070 ——— LEVER P2 071 ——— BRACKET JOG 072 ——— LEVER JOG 073 ——— LEVER,SLOW 074 S9-70R-004-9A0 SPRING JOG 075 ——— GEAR JOG 076 ——— ARM JOG 077 S3-00R-015-7A0 PLATE SLIDER 078 S5-10R-002-2A0 LEVER TENSION 079 S0-40R-001-8A0 BASE TENSION 410 SA-PF0-262-218 SCREW,PAN HEAD 2.6-6.8 426 87-261-094-410 PAN HEAD SCREW 3-6 517 SW-ZZR-000-4B0 WASHER STOPPER 518 SW-ZZR-000-4A0 WASHER STOPPER A11 S4-70R-002-8A0 GEAR ASSY P3 A12 S4-70R-002-6A0 GEAR ASSY P2 A13 S8-11R-001-2A0 BRACKET ASSY JOG A13 S8-11R-001-2B0 JOG BRACKET ASSY A14 ——— BRAKET ASSY CAPSTAN A14 S4-21R-000-5C0 CAPSTAN BRAKE ASSY www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 46 MECHANISM EXPLODED VIEW 3/3 101 426 102 103 104 407 407 105 100 110 111 115 116 112 113 114 032 109 108 426 A22 A23 A21 A24 107 106 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 47 REF. NO PART NO. KANRI DESCRIPTION NO. MECHANISM MAIN PARTS LIST 3/3 032 S1-41R-000-2A0 CHASSIS ASSY 100 S3-01R-002-9A0 PLATE ASSY TOP 101 S8-10R-005-6A0 BRACKET SIDE(L) 102 ——— LEVER STOPPER(L) 103 ——— HOLDER SIDE(L) 104 S9-74R-001-9A0 GUIDE CST 105 ——— HOLDER CST 106 ——— HOLDER SIDEE(R) 107 ——— LEVER STOPPER(R) 108 ——— BRAKET SIDE(R) 109 ——— OPENER DOOR 110 ——— ARM F/L(L) 111 ——— SPRING F/L(L) 112 ——— BODY F/L 113 ——— SPRING F/L(R) 114 ——— ARM F/L(R) 115 S9-70R-005-0A0 SPRING SWITCH 116 S5-10R-002-0A0 LEVER SWITCH 407 87-841-034-210 SCREW PAN HEAD 2.0-5.0 426 87-261-094-410 PAN HEAD SCREW 3-6 A21 S9-31R-001-5A0 HOLDER ASSY CST A22 S8-11R-001-4A0 BRACKET ASSY A23 S2-61R-001-0A0 ARM ASSY F/L A24 ——— LEVER ASSY SWITCH www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 48 DECK MECHANISM PARTS LOCATIONS Bracket Side 'L' 5 Plate Assembly 2 Top Lever Assembly 8 S/W 4 Guide CST 3 Holder Assembly CST Opener Door 6 Bracket Assembly Door 7 Arm Assembly F/L Head F/E 10 Drum Assembly 1 Support CST 17 Base Assembly P2 42 Brake Spring S Brake Assembly S 12 Arm Assembly 14 Tension Band Assembly Tension Reel S 15 Lever Assembly S/W 8 9 Arm Assembly Cleaner 34 Bracket Assembly L/D Motor 11 Base Assembly A/C Head 21 Arm Assembly Pinch 20 Arm Assembly T/Up 43 Arm Assembly ldler Jog 16 Reel T 19 Opener Lid 41 Base Assembly P3 18 Base Assembly P4 13 Brake Assembly T Brake Spring T • Top View • Bottom View Motor Capstan 23 Gear Connector 33 Gear Cam 32 Brake Assembly 30 Capstan Belt Capstan 22 Gear Drive 31 Guide Rack F/L 28 Gear Rack F/L 29 Clutch Assembly D33 24 Lever F/R 25 26 Gear Assembly H-Up/D 39 Gear Assembly P3 40 Gear Assembly P2 36 Base Tension 35 Gear Sector 38 Lever Tension 37 Plate Slider 27 Bracket Assembly Jog NOTE : When reassembly perform the procedure in the reverse order. 1) When reassembling, confirm Mechanism and Mode Switch Alignment Position (Pefer to Page 69) 2) When disassembling, the Parts for Starting No. Should be removed first. 1 Drum Assembly 3 Screws , Cap FPC A-1 2 Plate Assembly Top Two Hooks A-2 2 3 Holder Assembly CST Chassis Hole A-2 4 Guide CST 2 Hooks A-2 2,3,4 5 Bracket Side (L) 1 Screw A-2 2,3,4 6 Bracket Assembly Door 1 Screw A-2 2,3,4,5,6 7 Arm Assembly F/L Chassis Hole A-2 2,3,4,5 8 Lever Assembly S/W Chassis Hole A-2 9 Arm Assembly Cleaner Chassis Embossing A-3 10 Head F/E 2 Hooks A-3 11 Base Assembly A/C Head 1 Screw A-3 12 Brake Assembly S Chassis Hole A-4 2,3 13 Brake Assembly T Chassis Hole A-4 2,3,12, 14 Arm Assembly Tension Chassis Hole A-4 2,3,12,14 15 Reel S Chassis Shaft A-4 2,3,13 16 Reel T Chassis Shaft A-4 17 Support CST Chassis Embossing A-5 18 Base Assembly P4 Chassis Embossing A-5 19 Opener Lid Chassis Embossing A-5 19 20 Arm Assembly T/Up Chassis Embossing A-5 19 21 Arm Assembly Pinch Chassis Shaft A-5 Starting No. Pracedure Part Fixing Type Fig- ure 22 Belt Capstan A-6 22 23 Motor Capstan 3 Screws A-6 24 Clutch Assembly D33 1 Washer A-6 22,24 25 Lever F/R 1 Hook A-6 22,24 26 Gear Assembly H-Up/D 2 Washers A-6 27 Bracket Assembly Jog 1 Screw A-7 28 Guide Rack F/L 1Screw A-7 28 29 Gear Rack F/L A-7 28, 29 30 Brake Assembly Capstan Chassis Shaft A-7 28, 29 31 Gear Drive 1 Washer A-8 28, 29, 30 32 Gear Cam Chassis Shaft A-8 28, 29, 30, 31 33 Gear Connector Chassis Shaft A-8 34 Bracket Assembly L/D Motor 3 Hooks A-8 35 Gear Sector 3 Washers A-9 36 BaseTension 1 Screw A-9 22, 24, 25, 27 37 Plate Slider Chassis Shaft A-9 28, 29, 31, 35 36 22, 24, 25, 27 28, 29, 31, 35 38 Lever Tension Chassis Hole A-9 36 35 39 Gear Assembly P3 2 Hooks A-10 35, 39 40 Gear Assembly P2 2 Hooks A-10 35, 39, 40 41 Base Assembly P3 Chassis Hole A-10 35, 39, 40, 41 42 Base Assembly P2 Chassis Hole A-10 1, 2 43 Arm Assembly Idler Jog 1 Hook A-10 Starting No. Pracedure Part Fixing Type Fig- ure www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 49 DECK MECHANISM DISASSEMBLY Cap FPC Holder FPC (only for 4HD-Hi-Fi Models) Drum Sub Assembly Rotor H1 (S1) (S1) (S2) (S3) (S3) (S2) Drum Motor Stator or or Optional Parts Drum FPC Holder FPC (only for 2HD Models) Holder FPC (only for 4HD-Mono Models) 1. Drum Assembly (Fig. A-1-1) 1) Unhook the (H1) on the back side of the Chassis and separate the Cap FPC. 2) Remove three Screws (S1) and lift up the Drum Assembly. 3) Remove two Screws (S2) and Separate the Stator of Drum Motor. 4) Remove two Screws (S3) and Separate the Rotor of Drum Motor from the Drum Sub Assembly. (1) When reassembling Cap FPC, two Holes of Drum FPC are inserted to the two Bosses of Holder FPC correctly. (Refer to Fig. B-1) Fig. A-1 NOTE (Fig. A-1-1) (Fig. A-1-1) (Fig. B-1) Holder FPC Drum FPC Cap FPC Figure in the opposite direction www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM DISASSEMBLY H1 H3 (S1) (S2) (H5) Gear Rack F/L Groove Arm F/L (A) Lever Stopper (L) Bracket Side (L) Bracket Assembly Door Lever Stopper (R) (B) H2 H4 Lever Assembly S/W Guide CST Arm Assembly F/L Holder Assembly CST Plate Assembly Top Groove Fig. A-2 50 (Fig. A-2-1) (Fig. A-2-2) (Fig. A-2-6) (Fig. A-2-7) (Fig. A-2-5) (Fig. A-2-3) (Fig. A-2-4) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 51 DECK MECHANISM DISASSEMBLY 2. Plate Assembly Top (Fig. A-2-1) 1) Unhook the (H1) and separate the Left Side. 2) Unhook the (H2) and lift up the Plate Assembly Top. (1) When reassembling, confirm (A),(B) Part of the Plate Assembly Top is inserted to the (L),(R) Grooves of the Bracket Side(L) and Bracket Assembly Door. 3. Holder Assembly CST (Fig.A-2-2) 1) Push the Lever Stopper(L),(R) in the direction of the arrows (A), (B), and move the Holder Assembly CST. 2) Push the Bracket Assembly Door to the right and lift up the Holder Assembly CST along the Guide Groove of the Bracket Assembly Door. 4. Guide CST (Fig.A-2-3) 1) Push two Hooks(H3),(H4) in the direction of the arrow and separate the left side. 2) Unhook (H5),(H6) as above No.1) and disassemble the Guide CST in the direction of the arrow. 5. Bracket Side(L) (Fig. A-2-4)/ Bracket Assembly Door (Fig.A-2-5) 1) Remove the Screw (S1) and disassemble the Bracket Side(L) in the front. 2) Remove the Screw (S2) and disassemble the Bracket Assembly Door in the front. 6. Arm Assembly F/L (Fig. A-2-6) 1) Push the Arm Assembly F/L to the left and lift up it. (1) When reassembling, confirm that the Gear(A) of the Arm F/L and the Gear(B) of the Gear Rack F/L are assembled as below. 7. Lever Assembly S/W (Fig. A-2-7) 1) Hook the Spring Lever S/W on (H5). 2) Lift up the left side of the Lever S/W from the Groove(A) of the Chassis. (1) Place the Spring Lever S/W of the above (No.1) as original position. NOTE Plate Assembly Top Bracket Side (L) Bracket Assembly Door Lever Stopper (L) Lever Stopper (R) Holder Assembly CST (A) (B) Bracket Side (L) Bracket Assembly Door (H3) (H4) NOTE Gear (B) Gear (A) NOTE (H5) Spring Lever S/W (H5) Spring Lever S/W (H5) (H5) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM DISASSEMBLY Arm Assembly Cleaner Head F/E Base Assembly A/C Head (S1) (A) (H1) Fig. A-3 52 8. Arm Assembly Cleaner(Fig. A-3-1) 1) Break away the (A) part shown above Fig. A-3-1 from the Embossing of the Chassis in the clockwise direction and lift up the Arm Assembly Cleaner. 9. Head F/E (Fig. A-3-2) 1) Unhook the two Hooks (H1) on the back side of the Chassis and lift up the Head F/E. 10. Base Assembly A/C Head (Fig. A-3-3) 1) Remove the Screw (S1) and lift up the Base Assembly A/C Head. (Fig. A-3-1) (Fig. A-3-3) (Fig. A-3-2) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM DISASSEMBLY Reel T Reel S Arm Assembly Tension Spring T Brake Brake Assembly T Band Assembly Tension Brake Assembly S Spring S Brake Spring Tension B (A) (C) Fig. A-4 53 11. Brake Assembly S (Fig. A-4-1) 1) Remove the Spring S Brake. 2) Hold the (A) part shown above Fig. A-4-1 and turn to the clockwise direction, and then lift up the Brake Assembly S. (1) When reassembling, be careful not to change the Spring with below No.12.(Refer to Fig. B-2). 12. Brake Assembly T (Fig. A-4-2) 1) Remove the Spring T Brake. 2) Hold the (B) part shown above Fig. A-4-2 and turn to the counterclockwise direction, and then lift up the Brake Assembly T. (1) When reassembling, be careful not to change the Spring with above No.11.(Refer to Fig. B-2). 13. Arm Assembly Tension (Fig. A-4-3) 1) Remove the Spring Tension. 2) Hold the (C) part shown above Fig. A-4-3 and turn to the clock- wise direction, and then lift up the Arm Assembly Tension. (1) When reassembling, be careful not to change the Spring with above No.11,12.(Refer to Fig. B-2). 14. Reel S (Fig. A-4-4) & Reel T (Fig. A-4-5) 1) Lift up the Reel S and Reel T. (1) When reassembling, be careful not to change the Reel S and Reel T each other. (2) Confirm two Slide Washers under the Reel S and Reel T. NOTE Spring T Brake Spring S Brake Spring Tension NOTE (Difference for Springs) Color (Black) Three Holes Reel S Reel T (Fig. B-2) NOTE NOTE (Fig. A-4-1) (Fig. A-4-5) (Fig. A-4-3) (Fig. A-4-4) (Fig. A-4-2) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM DISASSEMBLY Arm Assembly Pinch Opener Lid Base Assembly P4 Support CST Arm Assembly T/up (A) (B) (C) (D) Spring Arm T/Up Fig. A-5 54 15. Support CST (Fig. A-5-1) 1) Break away the (A) part shown above Fig. A-5-1 from the Embossing of the Chassis in the clockwise direction, and lift up the Support CST. 16. Base Assembly P4 (Fig. A-5-2) 1) Break away the (B) part shown above Fig. A-5-2 from the Embossing of the Chassis in the counterclockwise direc- tion and lift up the Base Assembly P4. 17. Opener Lid (Fig. A-5-3) 1) Hook the Spring Arm T/up on the Split digged under the Arm Assembly T/up.(Refer to Fig.A-5-4(D)). 2) Break away the (C) Part of the Opener Lid from the Embossing of the Chassis in the Clockwise direction and lift up the Opener Lid. 18. Arm Assembly T/up (Fig. A-5-4) 1) Confirm that the Spring Arm T/up is placed as above (No.17.1). 2) Lift up the Arm Assembly T/up. (1) When reassembling, unhook the Spring Arm T/up Shown above (No.17.1) to the original position. 19. Arm Assembly Pinch (Fig. A-5-5) 1) Lift up the Arm Assembly Pinch. NOTE Opener Lid Spring Arm T/up Arm Assembly T/up (Fig. A-5-3) (Fig. A-5-4) (Fig. A-5-1) (Fig. A-5-2) (Fig. A-5-5) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM DISASSEMBLY Belt Capstan Motor Capstan Clutch Assembly D33 Washer(W1) Washer(W2) Spring Up/D Slide Washer Gear Assembly H-Up/D or Lever F/R (S1) Hook(H1) (A) (C) (A') (B') (B) Gear Assembly Up/D (For Normal Models) (For Hi-Rewind Models) Optional Parts Fig. A-6 55 20. Belt Capstan (Fig. A-6-1)/ Motor Capstan (Fig. A-6-2) 1) Remove the Belt Capstan. 2) Remove three Screws(S1) on the back side of the Chassis and lift up the Motor Capstan. (1) When reassembling, Confirm the (A), (B) parts of Motor Capstan is located to the (A'), (B') of the Chassis. 21. Clutch Assembly D33 (Fig. A-6-3) 1) Remove the Washer(W1) and lift up the Clutch Assembly D33. 22. Lever F/R (Fig. A-6-4) 1) Unhook the (H1) shown above Fig. A-6-4 and lift up the Lever F/R. (1) When reassembling, move the (C) part of the Lever F/R up and down, then confirm if it is returned to original position. 23. Gear Assembly H-Up/D or Gear Assembly Up/D (Fig. A-6-5) 1) Remove the Washer(W2) and lift up the Gear Assembly H-up/D. 2) Remove the Spring Up/D. 3) Remove the Slide Washer. (1) Gear Assembly H-Up/D is for Hi-Rewind Models. (2) Gear Assembly Up/D is for Normal Models except Hi-Rewind Models. NOTE NOTE (Fig. A-6-1) (Fig. A-6-2) (Fig. A-6-3) (Fig. A-6-5) (Fig. A-6-4) NOTE www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM DISASSEMBLY Bracket Assembly Jog (S1) Brake Assembly Capstan Guide Rack F/L Gear Rack F/L (S2) Hole (B) Brake Assembly Capstan Hole (A) (H2) (H1) Spring Capstan Gear Cam Gear Cam Hole (A)+(B) Fig. A-7 56 24. Bracket Assembly Jog (Fig. A-7-1) 1) Remove the Screw(S1) and lift up the Bracket Assembly Jog. 25. Guide Rack F/L (Fig. A-7-2)/ Gear Rack F/L (Fig. A-7-3) 1) Remove the Screw(S2) and lift up the Guide Rack F/L. 2) Lift up the Gear Rack F/L. 26. Brake Assembly Capstan (Fig. A-7-4) 1) Hook the Spring Capstan on the Hook(H1). 2) Unhook the Hook(H2) and lift up the Brake Assembly Capstan.(Refer to Fig. to the right) (1) When reassembling, confirm that the Hole(A) of the Brake Assembly Capstan is aligned to the Hole(B) of the Gear Cam. (Refer to above Fig. A-7-4). NOTE Hook(H2) Hook(H2) (Fig. A-7-4) (Fig. A-7-1) (Fig. A-7-2) (Fig. A-7-3) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM DISASSEMBLY H1 H2 Gear Drive Gear Cam Gear Connector Bracket Assembly L/D Motor Washer (W1) Gear Connector Hole(A')+(A) Hole(B')+(B) Chassis Gear Cam Hole(B) Hole(B') Hole(A) Hole(A') Fig. A-8 57 27. Gear Drive (Fig. A-8-1)/ Gear Cam (Fig. A-8-2)/ Gear Connector (Fig. A-8-3) 1) Remove the Washer(W1) and lift up the Gear Drive. 2) Lift up the Gear Cam. 3) Lift up the Gear Connector. (1) When reassembling, confirm that the Hole (A) of the Gear Connector is aligned to the Hole (A') of the Chassis (Fig. A-8-3). (2) When reassembling, confirm that the Hole (B) of the Gear Cam is aligned to the Hole (B') of the Chassis (Fig. A-8-2). (3) When reassembling, confirm that the (C) part of the Gear Cam is aligned to the (D) part of the Gear Drive as shown Fig. B-3 28. Bracket Assembly L/D Motor (Fig. A-8-4) 1) Unhook the three Hooks(H1),(H2) and push down the Bracket Assembly L/D Motor. NOTE Gear Cam (C) Gear Drive (D) Hook (H1), (H2) Chassis (Fig. B-3) (Fig. A-8-1) (Fig. A-8-2) (Fig. A-8-3) (Fig. A-8-4) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM DISASSEMBLY Base Tension Gear Sector ( S1) Washer Plate Slider (A) Lever Tension (W1) Fig. A-9 58 29. Gear Sector (Fig. A-9-1) 1) Remove the Washer(W1) and lift up the Gear Sector. 30. Base Tension (Fig. A-9-2)/ Plate Slider (Fig. A-9-3)/ Lever Tension (Fig. A-9-4) 1) Remove the Screw(S1) and lift up the Base Tension. 2) Lift up the Plate Slider. 3) Hold the (A) Part of the Lever Tension and turn to the counterclockwise direction, and then lift up the Lever Tension. (1) When reassembling, turn the Lever Tension to the clock- wise direction in maximum. NOTE (Fig. A-9-1) (Fig. A-9-2) (Fig. A-9-4) (Fig. A-9-3) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM DISASSEMBLY Gear Assembly P3 Gear Assembly P2 Arm Assembly Idler Jog Arm Assembly Idler or (For 2HD Models) (For 4HD Models) Base Assembly P3 Base Assembly P2 Chassis H1 H2 (A) (B) (H3) Gear Assembly P3 Gear Assembly P2 (A) (B) Optional Parts Fig. A-10 59 31. Gear Assembly P3 (Fig. A-10-1)/ Gear Assembly P2 (Fig. A-10-2) 1) Unhook the two Hooks(H1) and lift up the Gear Assembly P3. 2) Unhook the two Hooks(H2) and lift up the Gear Assembly P2. 32. Base Assembly P3 (Fig. A-10-3)/ Base Assembly P2 (Fig. A-10-4) 1) Move the Base Assembly P3 in the direction of the arrow of the Chassis Hole(A) and push down the Base Assembly P3. 2) Move the Base Assembly P2 in the direction of the arrow of the Chassis Hole(B) and push down the Base Assembly P2. 33. Arm Assembly Idler Jog or Arm Assembly Idler (Fig. A-10-5) 1) Unhook the Hook(H3) and push down the Arm Assembly Idler Jog. 1) Arm Assembly Idler Jog is for 4HD Models. 2) Arm Assembly Idler is for 2HD Models. 1) When reassembling, confirm that the (A) Part of the Gear Assembly P3 is aligned to the (B) Part of the Gear Assembly P2 as shown below. NOTE NOTE Gear Assembly P3 Gear Assembly P2 (A) (B) (Fig. A-10-1) (Fig. A-10-2) (Fig. A-10-4) (Fig. A-10-3) (Fig. A-10-5) (Unloading Condition) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM ADJUSTMENT 60 • Tools and Fixtures for Service 1. Cassette Torque meter 1. SRK-VHT-303(Not SVC part) 4. Torque gauge adaptor 5. Post height adjusting driver Parts No: SV-TGO-030-000 (SMALL) SV-TGO-020-000 (LARGE) 6. + Type driver (ø 5) 2. Alignment tape (See figure below) 3. Torque gauge 3. 600g.Cm ATG SRK VIDEO CASSETTE TORQUE METER VHT-303 S R K - V H T - S S R K - V H T - T 300 250 200 150 50 0 300 250 200 150 50 0 100 ALIGNMENT TAPES FOR ADJUSTMENT Derivation No. Mechanism Adjustment ltems FM Envelope A PAL SP/LP 2/4 Head TTV-P2L B PAL SP 2 Head TTV-P2 C NTSC SP/LP/EP 2/4 Head TTV-N1 (TTN-N12) D NTSC SP 2 Head TTV-N2 Slantness Height Azimuth A commercially available tape A/C Head TTV-P1 (TTV-P1L) TTV-P2 TTV-P2 (TTV-P2L) TTV-N1 (TTV-N12) TTV-N2 TTV-N2 TTV-P1 TTV-P2 TTV-P2 TTV-N1 (TTV-N12) (TTV-N1E) TTV-N2 TTV-N2 TTV-N2E TTV-N12 A commercially available tape SRK-VHT-303 RG Post lnclination Tape Back Tension The numbers in ( ) parenthesis can be used as the substiture. X-value www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Purpose:To determine if the Mechanism is in the correct position, when a Tape is ejected. DECK MECHANISM ADJUSTMENT 61 1.Mechanism Alignment Position Check 1) Turn the Power S/W on and eject the Cassette by press- ing the Eject Button. 2) Remove the Top Cover and Plate Assembly Top, visual- ly check if the Gear Cam Hole is aligned with the Chassis Hole as below Fig. C-2. 3) IF not, rotate the Shaft of the Loading Motor to either Clockwise or Counterclockwise until the Alignment is as below Fig. C-2. 4) Remove the Screw which fixes the Deck Mechanism and Main Frame and confirm if the Gear Cam is aligned with the Gear Drive as below Fig. C-1(A). 5) Confirm if the Mode S/W on the Main P.C.Board is aligned as below Fig. C-1(B). 6) Remount the Deck Mechanism on the Main P.C.Board and check each operation. Mode S/W Gear Cam Gear Drive (A) (B) L/D Motor Assembly Gear Cam Hole Gear Cam Chassis Hole Test Equipment/ Fixture • Blank tape Test Conditions (Mechanism Condition) • Eject Mode (with Cassette ejected) Check Point • Mechanism and Mode Switch Position Fig. C-1 Fig. C-2 CHECK DIAGRAM BOTTOM VIEW TOP VIEW Gear Cam (o) and Gear Drive (o) groove alignment www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 62 Purpose: To insure smooth Transport of the Tape during each Mode of Operation. If the Tape Transport is abnormal, then check the Torque as indicated by the chart below. DECK MECHANISM ADJUSTMENT 2. Preparation for Adjustment (To set the Deck Mechanism to the Loading state without inserting a Cassette Tape). 1) Unplug the Power Cord from the AC Outlet. 2) Disassemble the Top Cover and Plate Assembly Top. 3) Plug the Power Cord into the AC Outlet. 4) Turn the Power S/W on and push the Lever Stopper (L),(R) of the Holder Assembly CST to the back for Loading the Cassette without Tape. Cover the Holes of the End Sensors at the both sides of the Bracket Side(L) and Bracket Assembly Door to prevent a light leak. Then The Deck Mechanism drives to the Stop Mode. In this case, The Deck Mechanism can accept inputs of each mode, however the Rewind and Review Operation can not be performed for more than a few seconds because the Take-up Reel Table is in the Stop State and can not be detected the Reel Pulses. 3. Checking Torque The Values are measured by using a Torque Gauge and Torque Gauge Adaptor with the Torque Gauge affixed. The Torque reading to measure occurs when the Tape abruptly changes direction from Fast Forward of Rewind Mode, when quick bracking is applied to both Reels. SRK VIDEO CASSETTE TORQUE METER VHT-303 S R K - V H T - S S R K - V H T - T 300 250 200 150 50 0 300 250 200 150 50 0 100 Test Equipment/ Fixture • Torque Gauge(600g/cm ATG) • Torque Gauge Adaptor • Cassette Torque Meter SRK-VHT-303 Checking Method • Perform each Deck Mechanism Mode without inserting a Cassette Tape(Refer to above No.2 Preparation for Adjustment). • Read the Measurement of the Take-up or Supply Reels on the Cassette Torque Meter(Fig. C-3-2). • Attach the Torque Gauge Adaptor to the Torque Gauge and then read the Value of it(Fig. C-3-1). NOTE: Fig. C-3-2 Fig. C-3-1 Torque Gauge Torque Gauge Adaptor Reel Table Item Fast Forward Torque Rewind Torque Play Take-Up Torque Review Torque Mode Fast Forward Rewind Play Review Test Equipment Cassette Torque Gauge Cassette Torque Gauge Cassette Torque Meter Cassette Torque Meter Take-Up Reel Supply Reel Take-Up Reel Supply Reel More than 400g/cm More than 400g/cm 75~115g/cm 130~200g/m Measurement Reel Measurement Values Test Conditions (Mechanism Condition) • Play (FF) or Review (REW) Mode NOTE: • Cassette Torque Meter (SRK-VHT-303) • Torque Gauge (600g.cm ATG) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com DECK MECHANISM ADJUSTMENT 63 4.Guide Roller Height Adjustment Adjustment Procedure 1) Confirm if the Tape runs along the Tape Guide Line of the Lower Drum. 2) If the Tape runs the Bottom of the Guide Line, turn the Guide Roller Height Adjustment Screw to Clockwise direction. 3) If it runs the Top, turn to Counterclockwise direction. 4) Adjust the Height of the Guide Roller to be guided to the Guide Line of the Lower Drum from the Starting and Ending Point of the Drum. Purpose: To regulate the Height of the Tape so that the Bottom of the Tape runs along the Tape Guide Line on the Lower Drum. Test Equipment/ Fixture • Post Height Adjusting Driver Test Conditions (Mechanism Condition) • Play or Review Mode Adjustment Point • Guide Roller Height Adjustment screws on the Supply and Take-Up Guide Rollers. Fig. C-4-1 Upper Flange Guide Roller Retaining Screw Guide Roller Height Adjustment screw ADJUSTMENT DIAGRAM Test Equipment/Fixture • Oscilloscope • Alignment Tape • Post Height Adjusting Driver Test Equipment Connection Points • CH-1:PB RF Envelope • CH-2:NTSC: SW 30Hz PAL: SW 25Hz • Head Switching Output Point • RF Envelope Output Point Test Conditions VCR(VCP) State • Play an Alignment Tape Adjustment Point • Guide Roller Height Adjustment Screws Fig. C-4-2 Fig. C-4-3 P3 POST ADJUSTMENT P2 POST ADJUSTMENT Turn the Roller Guide Height Adjustment Screw slightly to flatten the waveform. Tracking control at center RF ENVELOPE OUTPUT TEST POINT OSCILLOSCOPE HEAD SWITCHING OUTPUT TEST POINT Turn(Move) the tracking control to both directions 4-1. Preliminary Adjustment 4-2. Precise Adjustment Adjustment Procedure 1) Play an Alignment Tape after connecting the Probe of the Oscilloscope to the RF Envelope Output Test Point and Head Switching Output Test Point. 2) Tracking Control(in PB Mode) : Center Position(When this Adjustment is performed after the Drum Assembly has been replaced, set the Tracking Control so that the RF Output is Maximum). 3) Height Adjustment Screw : Flatten the RF Waveform. (Fig. C-4-2) 4) Turn(Move) the Tracking Control(in PB Mode) Clockwise and Counterclockwise.(Fig. C-4-3) 5) Check that any Drop of RF Output is uniform at the Start and End of the Waveform. If the adjustment is excessive or insufficient the tape will jam or fold. NOTE Waveform Diagrams Connection Diagram www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 64 DECK MECHANISM ADJUSTMENT 5. Audio/Control (A/C) Head Adjustment 10.9 -0.05 Purpose: To insure that the Tape passes accurately over the Audio and Control Tracks in exact Alignment in both the Record and Playback Modes. Test Equipment/ Fixture • Blank Tape • Screw Driver(+) Type 5mm • Play the blank tape Test Conditions (Mechanism Condition) Adjustment Point • Tilt Adjustment Screw(C) • Height Adjustment Screw(B) • Azimuth Adjustment Screw(A) Fig. C-5-1 A/C Head Base Fig. C-5-2 Height Adjustment Screw(B) Tilt Adjustment Screw(C) Azimuth Adjustment Screw(A) X-Value Adjustment Hole Fixed Screw Fig. C-5-3 A/C Head Tape Tape 0.2~0.25mm P4 5-1. Preliminary Adjustment (Height and Tilt Adjustment) Perform the Preliminary Adjustment, when there is no Audio Output Signal with the Alignment Tape. 1) Initially adjust the Base Assembly A/C Head as shown Fig. C-5-1 by using the Height Adjustment Screw(B). 2) Play a Blank Tape and observe if the Tape passes accu- rately over the A/C Head without Tape Curling or Folding. 3) If Folding or Curling is occured then adjust the Tilt Adjustment Screw(C) while the Tape is running to resemble Fig. C-5-3. 4) Reconfirm the Tape Path after Playback about 4~5 sec- onds. Ideal A/C head height occurs, when the tape runs between 0.2~0.25mm above the bottom edge of the A/C head core. NOTE Adjustment Procedure/Diagrams A/C Head Assembly www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Purpose: To obtain compatibility with other VCR(VCP) Models. DECK MECHANISM ADJUSTMENT 65 5-2. Confirm that the Tape passes smoothly between the Take-up Guide and Pinch Roller(using a Mirror or the naked eye). 1) Afetr completing Step 5-1.(Preliminary Adjustment), check that the Tape passes around the Take-up Guide and Pinch Roller without Folding or Curling at the Top or Bottom. (1) If Folding or Curling is observed at the Bottom of the Take-up Guide then slowly turn the Tilt Adjustment Screw(C) in the Clockwise directioin. (2) If Folding or Curling is observed at the Top of it then slowly turn the Tilt Adjustment Screw(C) in the Counterclockwise direction. Check the RF Envelope after adjusting the A/C Head, if the RF Waveform differs from Fig. C-5-4, performs Precise Adjustment to flat the RF Waveform. Test Equipment/ Fixture • Oscilloscope • Alignment Tape(SP) • Screw Driver(+) Type 5mm Connection Point • Audio output jack Test Conditions (Mechanism Condition) • Play an Alignment Tape 1KHz, 7KHz Sections Adjustment Point • Azimuth Adjustment Screw(A) • Height Adjustment Screw(B) 1) Connect the Probe of the Oscilloscope to Audio Output Jack. 2) Alternately adjust the Azimuth Adjustment Screw(A) and the Tilt Adjustment Screw(C) for Maximum Output of the 1Khz and 7Khz segments, while maintaining the flattest Envelope differential between the two Frequencies. Adjustment Procedure 5-3. Precise Adjustment (Azimuth adjustment) 6. X-Value Adjustment Fig. C-5-4 1KHZ • Oscilloscope • Alignment tape(SP only) • Screw Driver(+) Type 5mm • CH-1: PB RF Envelope • CH-2: NTSC: SW 30Hz PAL: SW 25Hz • Head Swithching Output Test Point • RF Envelope Output Test Point Test Conditions (Mechanism Condition) • Play an Alignment Tape Adjustment Point Connection Point Test Equipment/ Fixture Adjustment Procedure 1) Insert the alignment tape, and press the + or - manual tracking (channel) button once while "AUTO TRACKING" is flashing on the screen to release auto tracking, and then center the tracking. 2) Run the tape long enough for tracking to complete one cycle. 3) Loosen the fixing screw, and move the A/C head base assembly in the direction shown in the diagram, to find the center of the peak so that the maximum envelope is avail- able. With this method, the 31-µm head can trace on the center of 58-µm track. 4) Tighten the A/C head base assembly fixing screw. 7KHZ A:Maximum B:Maximum Left Right Groove at the Base A/C Height Adjustment Screw(B) Tilt Adjustment Screw(C) Azimuth Adjustment Screw(A) X-Value Adjustment Hole Fixed Screw RF ENVELOPE OUTPUT TEST POINT OSCILLOSCOPE HEAD SWITCHING OUTPUT TEST POINT Connection Diagram Adjustment Diagram NOTE: CH-1 CH-2 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Purpose: To correct for shift in the Roller Guide and X value after replacing the Drum. 8-2.Check for tape curling or jamming Test Equipment/ Fixture • T-160 Tape • T-120 Tape Specification • Be sure there is no tape jamming or curling at the begining, middle or end of the tape. VCR(VCP) State • Run the CUE, REV play mode at the beginning and the end of the tape. Test Conditions (Mecanism Condition) 1) Confirm that the tape runs smoothly around the roller guides, drum and A/C head assemblies while abruptly changing operating modes from Play to CUE or REV. This is to be checked at the begining, middle and end sections of the cassette. 2) Confirm that the tape passes over the A/C head assem- bly as indicated by proper audio reproduction and prop- er tape counter performance. Checking Procedure DECK MECHANISM ADJUSTMENT 66 7. Adjustment after Replacing Drum Assembly (Video Heads) Test Equipment/ Fixture • Oscilloscope • Alignment tapes • Blank Tape • Post Height Adjusting Driver • Screw Driver(+) Type 5mm Connection Point • CH-1:PB RF Envelope • CH-2:NTSC:SW 30Hz PAL:SW 25Hz • Head Swithching Output Test Point • RF Envelope Output Test Point Test Conditions (Mechanism Condition) • Play the blank tape • Play an alignment tape Adjustment Points • Guide Roller Precise Adjustment • Switching Point • Tracking Preset • X-Value Checking/Adjustment Procedure Play a blank tape and check for tape curling or creasing around the roller guide. If there is a problem then follow the procedure 4. "Guide Roller Height" and 5. "Audio Control(A/C) Head Adjustment". RF ENVELOPE OUTPUT TEST POINT OSCILLOSCOPE HEAD SWITCHING OUTPUT TEST POINT Connection Diagram Waveform V1/V MAX ≤ 0.7 V2/V MAX ≤ 0.8 RF ENVELOPE OUTPUT Fig. C-7 8. Check the Tape Travel after Reassembling Deck Assembly. 8-1.Check Audio and RF Locking Time during playback and after CUE or REV (FF/REW) Test Equipment/ Fixture • Oscilloscope • Alignment tapes(with 6H 3kHz Color Bar Signal) • Stop Watch Specification • RF Locking Time: Less than 5 sec. • Audio Locking Time:Less than 10sec Test Equipment Connection Points • CH-1: PB RF Envelope • CH-2: Audio Output • RF Envelope Output Point • Audio Ouptut Jack Test Conditions (Mecanism Condition) • Play an alignment tape (with 6H 3kHz Color Bar Signal) Checking Procedure Play an alignment tape then change the operating mode to CUE or REV and confirm if the unit meets the above listed specifications. 1) CUE is fast forward mode (FF) 2) REV is the rewind mode (REW) 3) Referenced to the Play mode NOTES: V1 V V2 CH1 CH2 Connection Points www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com MAINTENANCE/INSPECTION PROCEDURE 67 (4) F/E Head (3) P1 Post (6) Drum Assembly (Video Head) (5) Base Assembly P2 (2) Tension Post (1) Supply Reel (7) Base Assembly P3 The following faults can be remedied by cleaning and oiling. Check the needed lubrication and the conditions of cleanli- ness in the unit. Check with the customer to find out how often the unit is used, and then determine that the unit is ready for inspection and maintenance. Check the following parts. 1 Check before starting repairs Phenomenon Inspection Replace- ment Color beats Dirt on full-erase head o Poor S/N, no color Dirt on video head Vertical or Horizontal jitter Dirt on Audio/control head Dirt on pinch roller If locations marked with o do not operate normally after clean- ing, check for wear and replace. See the EXPLODED VIEWS at the end of this manual as well as the above illustrations See the Greasing (Page 69) for the sections to be lubricated and greased. NOTE o o o o Dirt on video head Dirt on tape transport system Low volume, Sound distorted Tape does not run. Tape is slack o In Review and Unloading (off mode), the Tape is rolled up loosely. Clutch Ass’y S27 Torque reduced Cleaning Drum and transport system Fig.C-9-3 (8) A/C Head (9) P4 Post (11) Pinch Roller (12) Take-up Guide Post (10) Capstan Shaft (13) Take-up Reel * No. (1)~(13) Indicates the Tape Path to be traveled from Supply Reel to Take-up Reel. Fig. C-9-1 Top VIEW Fig. C-9-2 BOTTOM VIEW F/E Head Video Head A/C Head Pinch Roller Belt Capston Clutch Assembly D33 Fig. C-9-3 Tape Transport System www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 68 MAINTENANCE/INSPECTION PROCEDURE The recording density of a VCR(VCP) is much higher than that of an audio tape recorder. VCR(VCP) components must be very precise, at tolerances of 1/1000mm, to ensure com- patiblity with other VCRs. If any of these components are worn or dirty, the symptoms will be the same as if the part is defective. To ensure a good picture, periodic inspection and maintenance, including replacement of worn out parts and lubrication, is necessary. Schedules for maintenance and inspection are not fixed because they vary greatly according to the way in which the customer uses the VCR(VCP), and the environment in which the VCR(VCP) is used. But, in general home use, a good picture will be maintained if inspection and maintenance is made every 1,000 hours. The table below shows the relation between time used and inspection period. Table 1 (1) Grease : Kanto G-311G (Blue) or equivalent (2) Isopropyl Alcohol or equivalent (3) Cleaning Patches (4) Grease : Kanto G-381(Yellow) : Used only for Reel S and Reel T (1) Cleaning video head First use a cleaning tape. If the dirt on the head is too stubborn to remove by tape, use the cleaning patch. Coat the cleaning patch with Isopropyl Alcohol. Touch the cleaning patch to the head tip and gently turn the head(rotating cylinder) right and left. (Do not move the cleaning patch vertically. Make sure that only the buckskin on the cleaning patch comes into contact with the head. Otherwise, the head may be damaged.) Thoroughly dry the head. Then run the test tape. If lsopropyl Alcohol remains on the video head, the tape may be damaged when it comes into contact with the head surface. (2) Clean the tape transport system and drive system, etc, by wiping with a cleaning patch wetted with Isporopyl Alcohol. 1 It is the tape transport system which comes into contact with the running tape. The drive system consists of those parts which moves the tape. 2 Make sure that during cleaning you do not touch the tape transport system with the tip of a screw driver and no that force is that would cause deforming or damage applied to the system. 2. Required Maintenance 3. Scheduled Maintenance 5) Maintenance Procedure 5-1) Cleaning NOTES: About 1 year One hour Two hours Three hours When inspection is necessary Average hours used per day About 18 months About 3 years 4. Supplies Required for Inspection and Maintence Fig. C-9-4 Drum (Rotating Cylinder) Head Tip Coat With Isopropyl Alcohol Touch this section of cleaning patch to the head tip and gently turn the Drum (Rotating Cylinder) Cleaning Patch www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com MAINTENANCE/INSPECTION PROCEDURE 69 (1) Greasing guidelines Apply grease, with a cleaning patch. Do not use excess grease. It may come into contact with the tape transport or drive system. Wipe any excess and clean with clean ing patch wetted in Isopropyl Alcohol. (2) Periodic greasing Grease specified locations every 5,000 hours. 5-2) Greasing NOTE:Greasing Points 3 2 1 4 5 6 9 7 8 1) Loading Path Inside & Top side 2) Base Tension Boss inside Hole 3) Arm Assembly F/L "U" Groove 4) Arm Take-up Rubbing Section 5) L/D Motor Worm Wheel Part 6) Shaft 7) Arm Assembly F/L of Buming Inside Hole 8) Reel S, T Shaft (G381:Yellow) 9) Brake T Groove Guide Rail Gear Assembly Up/D Gear Drive Gear Sector Gear Cam Press Cam Part Cam Part Gear Part Stopper Part Bracket Side (L) Bracket Assembly Door 1 4 5 7 6 3 2 1) Loading Path Inside & Top side 2) Shaft 3) Gear Rack F/L Moving Section 4) Shaft 5) Lever Tension Groove 6) Clutch Assembly D33 Shaft 7) Brake "S" Rubbing Section Chassis (Top) Chassis (Bottom) Guide Rack F/L Gear Rack F/L Side Bottom inside Bottom Cam & Gear Part Plate Slider (Top) Plate Slider (Bottom) Cam Part Cam Part Gear Part www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com MECHANISM TROUBLESHOOTING GUIDE 70 Auto REW doesn't work. Is the output of END sensor of supply side "H"? “H”: more than 3.5V “L”: less than 0.7V~1V Is the voltage across IR LED between 0.8~1.5V? Replace LED. Is the Vcc. voltage of End sensor 5V? Check the syscon power. Replace End sensor. Check syscon circuit. YES YES YES NO NO NO 1.Deck Mechanism A. NO NO NO No F/R modes. Is the present mode, F/R Mode? Is the mode SW assembled correctly (refer to Page 61.) Is the normal voltage supplied to the Capstan Motor Vcc1, Vcc2.? Does terminal voltage(Vctl) of Capstan Motor supply side more than 4V? Check Servo, Power Circuits. Replace the Capstan Motor. Does the Capstan Motor rotate? Do the T/Up, Supply Reel rotate? Check syscon circuit. YES YES YES YES YES YES B. YES www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com MECHANISM TROUBLESHOOTING GUIDE 71 AUTO STOP. (PLAY/CUE/REV) Are there T/up and supply reel pulses. In Play/Cue/Rev is the pinch roller in contact with the capstan shaft. Replace Reel Sensor. Is the output of DFG, DPG OK? Check aligment positions (page 61) Check spring Pinch. Replace Drum Motor. Check Servo, Syscon. Check the Syscon, µ-COM. No cassette loading. Insert the cassette. Check Cassette Carry Assembly. Is there variation for F/L S/W Output? (In Tape with REC Tab “L”→“H”→“L”) (In Tape without REC Tab “L”→“H”→“L”→“H”) Does the F/L S/W work normally? Does the lever S/W work normally. Check Syscon Circuit. Check Syscon Circuit. Replace F/L S/W. YES YES YES YES YES YES NO NO NO NO NO NO NO YES C. D. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com MECHANISM TROUBLESHOOTING GUIDE 72 In PB mode Tape Presence not sensed. Is the Pinch Roller attached to the Capstan Motor Shaft? Check Alignment positions (page 61) Does the T/Up Reel turn? Replace the Belt. Is the Belt ok? Does the Drum Motor turn? Are there DPG, DFG Pulses? Are the T/Up Supply Reel Sensors ok? Check Syscon, Circuit. Check Syscon, Circuit. Check Servo, Syscon. Does the Capstan Motor turn? Is the terminal voltage of the Drum Motor more than 2.3V? Replace the Drum Motor. Is the Vcc voltage of the Drum Motor normal? Check the clutch and the Idler Assembly. YES YES YES YES YES YES YES YES NO NO NO NO NO Is the terminal voltage of Capstan Motor supplied more than 4V? Replace the Capstan Motor. Is the Voltage supplied to the Capstan Motor Vcc1,Vcc2 each? YES YES YES Check Servo, Power. NO NO NO E. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com MECHANISM TROUBLESHOOTING GUIDE 73 Cassette cannot be inserted. Does the Lever Switch work? Is the Lever Switch Spring damaged or omitted? Does the F/L switch work normally? Replace or add the Lever Switch Spring. Is the Vcc of Main P.C.Board 5V? YES YES Check syscon circuit. YES Check power circuit. NO Is the voltage between cassette switch and GND on Main P.C.Board 5V? YES Is there a short circuit between cassette switch and GND on main P.C.Board? Remove the short circuit part or Replace the main P.C.Board. NO Check Mode switch location and syscon circuit. Replace F/L Switch. YES NO YES NO NO Replace F/L Switch. NO NO Cassette will not eject. Does the L/D motor rotate in reverse? Check L/D Motor or Drive IC. Replace lever Switch. Does the Lever Switch work? YES NO NO Does the Arm Assembly F/L work normally? YES NO Does the Opener Door work? YES Replace Arm Assembly F/L. Replace the Opener Door. 2. Front Loading Mechanism A. B. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com MECHANISM TROUBLESHOOTING GUIDE 74 Cassette will not load. Does the CST insert? Does the opener Lid work? Is the opener Door assembled correctly? Replace the Opener Lid. Replace the Arm Assembly F/L. Check the power of L/D Motor. Is the Holder Assembly Cassette assembled correctly? Replace the Rear Rack F/L. Does the Gear Rack F/L work? Does the Opener Door work? Does the Arm Assembly F/L work? Does the L/D Motor work? Does the Holder Assembly Cassette move the Arm Assembly F/L? Replace the Front Loading Mechanism Assembly. YES YES YES YES NO NO NO YES NO YES NO YES NO C. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 920074 Printed in Singapore 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com

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