爱华AIWA HV-FX9000U CD播放机维修手册
SERVICE MANUAL
DATA
BASIC VIDEO MECHANISM
: D33K-4HF/NT(6721R-0240A)
STEREO VIDEO
CASSETTE RECORDER
HV-FX9000
S/M Code No. 09-006-346-8R1
U
REVISION
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-006-346-8T1).
PLAY
STOP
REC/ITR PAUSE/
STILL
REW/
/F FWD
ONE TOUCH PLAYBACK
DA 4 HEAD/AUTO HEAD CLEANING/DIGITAL AUTO TRACKING
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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........................................ 9
WIRE HARNESS DIAGRAM .......................................... 10
BLOCK DIAGRAM ................................................. 11 ~ 18
SCHEMATIC DIAGRAM
1. POWER SECTION............................................. 19 ~ 20
2. AUDIO/VIDEO SECTION ................................... 21 ~ 22
3. SYSTEM CONTROL/SERVO/OSD SECTION .. 27 ~ 28
4. Hi-Fi AUDIO SECTION ...................................... 29 ~ 30
5. KEY SECTION ........................................................... 33
6. JACK SECTION ......................................................... 33
7. TUNER/IF SECTION.......................................... 35 ~ 36
WAVEFORM
IC301.............................................................................. 23
IC501.............................................................................. 26
VOLTAGE CHART .................................................. 24 ~ 25
CIRCUIT BOARD DIAGRAM
1. MAIN C.B SECTION .......................................... 31 ~ 32
2. KEY C.B SECTION .................................................... 34
3. JACK C.B SECTION .................................................. 34
IC DESCRIPTION ................................................... 37 ~ 42
IC BLOCK DIAGRAM..................................................... 43
ADJUSTMENT........................................................ 44 ~ 45
MECHANICAL EXPLODED VIEW 1/1 ........................... 46
MECHANICAL MAIN PARTS LIST 1/1 ......................... 47
MECHANISM EXPLODED VIEW 1/3 ............................. 48
MECHANISM MAIN PARTS LIST 1/3 ............................ 49
MECHANISM EXPLODED VIEW 2/3 ............................. 50
MECHANISM MAIN PARTS LIST 2/3 ............................ 51
MECHANISM EXPLODED VIEW 3/3 ............................. 52
MECHANISM MAIN PARTS LIST 3/3 ............................ 53
DECK MECHANISM PARTS LOCATIONS
Top View.......................................................................... 54
Bottom View .................................................................... 54
DECK MECHANISM DISASSEMBLY
1. Drum Assembly ......................................................... 55
2. Plate Assembly Top ................................................... 57
3. Holder Assembly CST ............................................... 57
4. Guide CST ................................................................ 57
5. Bracket Side (L)/Bracket Assembly Door .................. 57
6. Arm Assembly F/L ..................................................... 57
7. Lever Assembly S/W ................................................. 57
8. Arm Assembly Cleaner .............................................. 58
9. Head F/E ................................................................... 58
10. Base Assembly A/C Head ........................................ 58
11. Brake Assembly S .................................................... 59
12. Brake Assembly T .................................................... 59
13. Arm Assembly Tension ............................................. 59
14. Reel S & Reel T ....................................................... 59
15. Support CST ............................................................ 60
16. Base Assembly P4 ................................................... 60
17. Opener Lid ............................................................... 60
18. Arm Assembly T/up .................................................. 60
19. Arm Assembly Pinch ................................................ 60
20. Belt Capstan/Motor Capstan .................................... 61
21.Clutch Assembly D33-K ............................................ 61
22. Lever F/R ................................................................. 61
23. Gear Assembly H-Up/D-K or
Gear Assembly Up/D-K ............................................ 61
24. Bracket Assembly Jog.............................................. 62
25. Guide Rack F/L, Gear Rack F/L ............................... 62
26. Brake Assembly Capstan ......................................... 62
27. Gear Drive/Gear Cam/Gear Connector ................... 63
28. Bracket Assembly L/D motor .................................... 63
29. Gear Sector .............................................................. 64
30. Base Tension/Plate Slider/Lever Tension ................. 64
31. Gear Assembly P3/Gear Assembly P2 .................... 65
32. Base Assembly P3/Base Assembly P2 .................... 65
33. Arm Assembly Idler Jog or Arm assembly Idler Jog . 65
DECK MECHANISM ADJUSTMENT
Tools and Fixtures for service ......................................... 66
1. Mechanism Alignment Position Check ....................... 67
2. Preparation for Adjustment ........................................ 68
3. Checking Torque ........................................................ 68
4. Guide Roller Height Adjustment ................................. 69
4-1. Preliminary Adjustment .......................................... 69
4-2. Precise Adjustment ................................................ 69
5. Audio/Control (A/C) Head Adjustment ........................ 70
5-1. Preliminary Adjustment .......................................... 70
5-2. Confirm that the Tape Path smoothly between
the Take-up Guide and Pinch Roller ..................... 71
5-3. Precise Adjustment (Azimuth Adjustment) ............. 71
6. X-Value Adjustment .................................................... 71
7. Adjustment after Replacing Drum Assembly
(Video Heads) ............................................................. 72
8. Check the Tape Travel after Reassembling
Deck Assembly............................................................ 72
8-1. Checking Audio and RF Locking Time
during Playback and after CUE or REV ................ 72
8-2. Check for Tape Curling or Jamming....................... 72
MAINTENANCE/INSPECTION PROCEDURE
1. Check before starting Repairs ................................... 73
2. Required Maintenance ............................................... 74
3. Scheduled Maintenance ............................................ 74
4. Supplies Required for Inspection and Maintenance .. 74
5. Maintenance Procedure ............................................. 74
5-1. Cleaning ................................................................. 74
5-2. Greasing ................................................................ 75
MECHANISM TROUBLESHOOTING GUIDE
1. Deck Mechanism ....................................................... 76
2. Front Loading Mechanism ......................................... 79
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REF. NO
PART NO.
KANRI
DESCRIPTION
NO.
ACCESSORIES LIST
1 S8-35R-M00-34G INSTRUCTION ASSY
2 S7-11R-1N0-42A REMOTE CONTROLLER ASSY
3 S8-610-12C-000 CABLE SET ASSY
4 S8-615-06V-000 CABLE SET ASSY RF-CABLE HI-FI
5 S5-640-18B-000 PLUG ASSY PHONO CORD
6 S5-640-17B-000 PLUG ASSY PHONE CORD 1WAY
SPECIFICATIONS
• Design and specifications are subject to change without notice.
Video recording system
Rotary 2 head herical 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: 3.5 hours with T-210 tape
LP: 7 hours with T-210 tape
(playback only)
EP: 10.5 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 yo 13
UHF: 14 to 69
CATV: 5A , A-5 to A-1, A to W, 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
3 tracks (Hi-Fi sound 2 tracks, Normal
sound 1 track)
Audio input
-6 dBs, 47 kohm
Audio output
-6 dBs, less than 4.7 kohm
Audio frequency response
normal: 100 Hz - 10 kHz (at SP)
Hi-Fi: 20 Hz - 20 kHz
Audio S/N
normal: more than 43 dB (at SP)
Hi-Fi: more than 70 dB (at SP)
Hi-Fi dynamic range
more than 85 dB (at SP)
Operating temperature
5°C to 35°C
Power requirements
120 V AC, 60 Hz
Power consumption
15 W
TYP 3 W (stand by mode)
Dimensions
430 (W) x 102 (H) x 283 (D) mm
(17 x 41/8 x 111/4 in.)
Weight
3.9 kg (8.58 lbs.)
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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. Jack C.B. and Key C.B. Removal (see Fig. 2)
1) Release 2 tabs, and then remove Jack C.B. from the con-
nector (P9M02) in the direction of arrow 1 .
2) Release the tab, and then remove Key C.B. from the con-
nector (P9M01) 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) Release the tab holding the panel assy, distri-butor.
2) Release 6 tabs, and then simultaneously lift the panel as-
sembly, distributor and Main C.B. to remove them.
Fig. 4
TAB
TAB
PANEL
FRONT
JACK C.B
KEY C.B
TAB
TAB
1
2
P9M02
P9M01
MAIN C.B
PMD01
FF CABLE
FF CABLE
A
AUDIO HEAD
A
A
A
P3D02
TAB
TAB
MAIN C.B
PANEL ASSY,
DISTRIBUTOR
TAB
TAB
TAB
TAB
TAB
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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
SPARSER
60mm
MAIN C.B
D33
MECHA
SPARSER
REAR PANEL
A
B
Top View
CYLINDER
HEAD CLEANER
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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.
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REF. NO
PART NO.
KANRI
DESCRIPTION
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PART NO.
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DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
IC
S2-309-024-040 SENSORLTV-817B PHOTO COU
SI-SS4-310-00A IC,KA431AZ
SI-HI1-187-17A IC,HA118717NF
SI-HY3-977-98A IC,GMS3977RAA98F
SI-SS3-082-00A IC,KA3082
SI-AL2-404-00A IC,AT24C04
SI-SS7-531-00A IC,KA7531Z
SI-SS7-542-00A IC,KA7542Z
SI-SA7-478-59A IC,LC74785-9018
SI-NE1-631-10A IC,UPD16311GC-AB6
SI-MA3-662-00A IC,AN3662FBP-V
TRANSISTOR
!
ST-R44-190-0AA TR,KTC4419
ST-R53-440-9AA TR,2SC5344Y
ST-R53-430-9BA TR,2SC5343-L
- - - TR,KSA928
ST-R31-990-9AF TR,KTC3199-BL
ST-R32-030-9AA TR,KTC3203-Y
ST-R23-280-9AB TR,KSC2328A-Y
ST-R20-030-9AA TR,KSR2003TA
ST-R10-030-9AA TR,KSR1003
87-026-609-080 TR,KTA1266-GR
ST-R31-980-9AC TR,KTC3198-TP-BL
DIODE
SD-D22-060-9AA DIODE,ERA22-06
87-020-215-010 DIODE,ERC81-004L22
87-017-352-010 DIODE,RU3YXLF-C1 100V2
SD-R10-551-0AA DIODE,RZ1055LF-C1
SD-R10-400-9BA DIODE,RL104F
SD-R10-400-9AB DIODE,RL104
SD-S14-148-9BB DIODE,1N4148
SD-Z13-260-9AB ZENER,GDZJ13A 26MM
83-NEG-678-080 ZENER,MTZ6.2B
SD-Z56-260-9BA ZENER,GDZJ5.6C 26MM
S9-7U0-3R3-1B0 ZENER,MTZ3.3B
SD-Z68-260-9AB ZENER,GDZJ6.8C
87-A40-476-010 ZENER,MTZ6.2A
87-002-743-080 ZENER,MTZ33B
87-070-173-010 DIODE,S1WBA60
MAIN C.B
!C101
S6-240-88K-000 CAP,0.1UF-275VAC
!C103
SC-E10-7CT-610 CAP,100UF-350V
C104 87-010-403-040 CAP,E 3.3-50V
!C105
87-016-375-010 CAP,0.01UF-630V
!C106
87-016-533-010 CAP,220PF/1KV
!C109
S6-240-86B-000 CAP,103-400V
!C110
S6-240-86B-000 CAP,103-400V
C115 87-010-408-040 CAP,E 47UF-50V
C116 S6-240-83E-000 CAP,1000-10V
C117 87-010-375-080 CAP,E 330-10V
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 4.7-50V
C152 87-015-681-080 CAP,E 10-16V
C153 87-015-698-080 CAP,E 4.7-50V
C154 87-015-681-080 CAP,E 10-16V
C156 87-015-698-080 CAP,E 4.7-50V
C157 87-015-681-080 CAP,E 10-16V
C158 87-010-403-040 CAP,E 3.3-50V
C160 87-015-681-080 CAP,E 10-16V
C1F1 87-010-408-040 CAP,E 47UF-50V
C1F2 87-010-375-080 CAP,E 330-10V
C302 87-010-552-040 CAP,E 22-16V
C304 87-015-698-080 CAP,E 4.7-50V
C306 87-015-698-080 CAP,E 4.7-50V
C307 87-015-681-080 CAP,E 10-16V
C311 87-010-552-040 CAP,E 22-16V
C312 87-015-681-080 CAP,E 10-16V
C315 87-015-684-080 CAP,E 47-16V
C317 87-010-078-080 CAP,E 47M-6.3V
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 87-015-695-080 CAP,E 1.0-50V
C335 87-010-078-080 CAP,E 47M-6.3V
C342 87-010-078-080 CAP,E 47M-6.3V
C345 87-015-698-080 CAP,E 4.7-50V
C347 87-015-698-080 CAP,E 4.7-50V
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
C365 87-010-078-080 CAP,E 47M-6.3V
C370 87-015-698-080 CAP,E 4.7-50V
C3F1 87-015-695-080 CAP,E 1.0-50V
C500 87-016-040-080 CAP,0.047F-5.5V
C502 87-010-078-080 CAP,E 47M-6.3V
C504 87-010-078-080 CAP,E 47M-6.3V
C505 87-010-078-080 CAP,E 47M-6.3V
C510 87-016-455-080 CAP,E 470UF-6.3V
C524 87-010-265-080 CAP,E 33-16V
C525 87-010-078-080 CAP,E 47M-6.3V
C526 SC-E47-64J-638 CAP,E 47UF-35V
C530 87-015-681-080 CAP,E 10-16V
C531 SC-N10-50K-948 CAP,1UF-50V
C534 87-015-698-080 CAP,E 4.7-50V
C535 87-015-698-080 CAP,E 4.7-50V
C541 87-015-698-080 CAP,E 4.7-50V
C546 87-016-130-080 CAP,47-25V
C547 87-010-078-080 CAP,E 47M-6.3V
C588 87-015-698-080 CAP,E 4.7-50V
C5A1 87-015-695-080 CAP,E 1.0-50V
C5A5 87-015-695-080 CAP,E 1.0-50V
C5A9 87-010-078-080 CAP,E 47M-6.3V
C5F1 87-010-408-040 CAP,E 47UF-50V
C5F2 87-010-078-080 CAP,E 47M-6.3V
C5F4 87-015-698-080 CAP,E 4.7-50V
C5F7 87-010-078-080 CAP,E 47M-6.3V
C701 87-010-544-010 CAP,E 0.1-50V
C703 87-015-698-080 CAP,E 4.7-50V
C705 87-016-088-040 CAP,E 220-6.3V
C708 87-010-403-040 CAP,E 3.3-50V
C709 87-016-455-080 CAP,E 470UF-6.3V
C803 87-015-681-080 CAP,E 10-16V
C804 87-015-698-080 CAP,E 4.7-50V
C805 87-015-681-080 CAP,E 10-16V
C806 87-015-698-080 CAP,E 4.7-50V
C807 87-015-695-080 CAP,E 1.0-50V
C808 87-010-265-080 CAP,E 33-16V
C809 87-015-681-080 CAP,E 10-16V
C810 87-015-681-080 CAP,E 10-16V
C816 87-010-078-080 CAP,E 47M-6.3V
C821 87-015-681-080 CAP,E 10-16V
C822 87-015-681-080 CAP,E 10-16V
C823 87-010-265-080 CAP,E 33-16V
C824 87-010-078-080 CAP,E 47M-6.3V
C826 87-015-698-080 CAP,E 4.7-50V
C828 87-010-403-040 CAP,E 3.3-50V
C834 87-010-078-080 CAP,E 47M-6.3V
C835 87-015-681-080 CAP,E 10-16V
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C837 87-015-681-080 CAP,E 10-16V
C838 87-015-684-080 CAP,E 47-16V
C840 87-015-681-080 CAP,E 10-16V
C841 87-010-552-040 CAP,E 22-16V
C842 87-015-681-080 CAP,E 10-16V
C845 87-010-403-040 CAP,E 3.3-50V
CS501 S6-00R-DB0-04C SW,MPU10252MLB4 MIC
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
S5-850-35V-000 F 2000MA 125 V 3-7.5
!F1F1
87-020-840-080 ICP-N20
!F1F2
87-020-840-080 ICP-N20
!FH01
S5-860-08B-000 HOLDER,FUSE CLIP
!FH02
S5-860-08B-000 HOLDER,FUSE CLIP
FL301 S6-330-32N-000 COIL,BIAC OSC DEO-010 KSE
JK301 S5-720-81E-000 JACK,BJP-606
!L101
S6-161-45E-000 FILTER KSE-145E
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
L303 87-A50-002-080 COIL,270U 2.3-3.4-5
L304 87-005-208-080 COIL,100
L306 87-003-282-080 COIL,12 2.3-3.4-5
L311 87-003-152-080 INDUCTOR,100M 2.3-3.4-5
L312 87-003-129-080 INDUCTOR,6800
L313 87-003-152-080 INDUCTOR,100M 2.3-3.4-5
L314 SL-A03-92K-018 INDUCTOR AXIAL 39M
L506 87-005-686-080 COIL,15UH
L5F1 87-005-208-080 COIL,100
L701 SL-R03-32K-035 INDUCTOR LEAD 33M
L801 87-005-696-080 COIL,100UH
L802 87-005-696-080 COIL,100UH
L803 87-005-696-080 COIL,100UH
L804 SL-R68-00J-035 INDUCTOR LEAD 680M
L805 SL-R68-00J-035 INDUCTOR LEAD 680M
LD501 S9-31R-001-7A0 LED
MS501 S6-00R-PY0-01B SW,MMS00420ZMBO MIC
P3D01 S5-612-34W-000 GF120-10S-TS-A LGC 10P MP
P3D02 S6-30R-5S0-08E CONN,6P
P3D03 S5-612-51B-000 GB201-2P-TS-B(LGC) P
PMC01 S6-30R-BE0-1H0 CONN,8P
PMD01 S5-612-34V-000 GF120-07S-TS LGC 7P SP
PMK01 S6-30R-2P0-11J CONN,10P
PMK02 S6-30R-2P0-11D CONN,5P
PML01 S6-30R-2S0-11A CONN,2P
PW101 S5-612-92B-000 GP390 LGC 3P STRAIG P
!R101
S6-140-07K-000 RES,CEM 3.3-2W
!R102
S6-140-13C-000 RES,RCR50,2.2M J M15
!R104
SR-S33-02K-619 RES,M/F 33K-2W
!R106
SR-S12-00J-619 RES,M/F 120-1W
RC501 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 S6-420-21H-000 TRANSFORMER SMPS CS-021H/SJ021
TU701 S7-00R-NL0-1A0 TUNER TADC-H102F
VR501 S6-130-32W-000 SFR,RH0638CJ5R(220K)
X301 S2-02R-135-71E X’TAL,3.579675MHZ
X501 S2-02R-310-01F X’TAL,10.0000
X502 S5-290-01B-000 X’TAL,32.768KHZ
X503 S2-02R-114-3AE X’TAL,14.317872MHZ
KEY C.B
LD901 SD-L53-110-0AA LED,SG5311(GRN)
P9M01 S6-30R-2S0-14D CONN,5P
SW905 S5-562-19B-000 SW,SKHV10910B
SW906 S5-562-19B-000 SW,SKHV10910B
SW907 S5-562-19B-000 SW,SKHV10910B
SW908 S5-562-19B-000 SW,SKHV10910B
SW909 S5-562-19B-000 SW,SKHV10910B
SW910 S5-562-19B-000 SW,SKHV10910B
SW911 S5-562-19B-000 SW,SKHV10910B
JACK C.B
JK901 S5-720-34R-000 JACK,ST 2P(WHT)
JK902 S5-720-34Q-000 JACK,ST 2P(RED)
JK903 S5-720-34S-000 JACK,ST 2P(YL)
P9M02 S6-30R-2S0-14J CONN,10P
SW901 S5-562-19B-000 SW,SKHV10910B
SW902 S5-562-19B-000 SW,SKHV10910B
SW903 S5-562-19B-000 SW,SKHV10910B
SW904 S5-562-19B-000 SW,SKHV10910B
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2
8
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2
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TEL 13942296513
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9
2
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9
4
2
9
8
0
5
1
5
1
3
6
7
3
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TRANSISTOR ILLUSTRATION
KTC3198
KTC3199
2SC5343
2SC5344
KSR1003
KSR2003
KTA1266
KTC3203
2SA928
KSC2328
KTC4419
E C B
E C B
E C B
E C B
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9
2
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9
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2
9
8
0
5
1
5
1
3
6
7
3
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Q
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10
WIRE HARNESS DIAGRAM
1
PMD01
D.CTL
M.GND
DFG
12V
DPG
GND
5VA
PDM01
2
3
4
5
6
7
1
2
3
4
5
6
7
PMC01
PCM01
1
GND
1
MOTOR GND
2
2
I - LIMIT
3
3
CAP.CTL
4
4
12VA
5
5
CFG
6
6
CAP.REV'L'
7
7
5VA
8
8
1
P3D01
NC
PB CH A
REC
PB CH B
SP PB CH1
SP REC
SP PB CH2
PD301
2
3
4
5
6
7
1
2
1
PML01
LD+
LD-
PLM01
2
1
2
3
4
5
6
7
EP PB CH1
8
8
EP PB CH2
10
10
EP REC
9
9
1
P3D02
CTL(+)
CTL(-)
A/E(+)
A/E(-)
A.REC
A.PB
PD302
2
3
4
5
6
1
2
3
4
5
6
1
MS501
GND
MODE S1
MODE S2
MODE S3
MODE S4
M5S01
2
3
4
5
1
2
1
P3D03
GND
FULL ERASE
PD303
2
1
2
3
4
5
1
P9M02
GND
VIDEO(L2)
GND
AUDIO-L (L2)
AUDIO-R (L2)
GND
GND
PMK02
2
3
4
5
6
7
1
2
3
4
5
6
7
GND
8
8
GND
10
10
0
KEY RTN
9
9
1
P9M01
GND
KEY RTN 1
OTPB "H"
5.3VA
GND
PMK01
2
3
4
5
1
2
3
4
5
LOWER
DRUM
CAPSTAN
MOTOR
ACE
HEAD
MS501
MODE SW
FULL ERASE
HEAD
LOADING
MOTOR
CYL.
HEADS
MAIN C.B
JACK C.B
KEY C.B
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11
BLOCK DIAGRAM-1 (POWER SECTION)
12V REG.
BLOCK
(Q152,R153,C153,
C154,ZD152)
5V REG BLOCK
Q163, R170, R171,
C151,C152,ZD151)
5.3VA
TO SYS
HOT CIRCUIT
BD101
R101
C103
Q111
R107
C109
C110
HOT GND
F101
R102
BK
WH
PW101
AC120V
60Hz
R103
R105
R111
4
7
8
9
6
5
10
2
1
4
3
11
13
12
1
2
IC102
IC103
3
T101
TRANSFORMER
4
2
3
1
LINE FILTER
BLOCK
(C101,L101)
RECTIFIER
& SMOOTHING
5V SWITCHING
BLOCK
36V
SWITCHING
BLOCK
RECTIFIER
& SMOOTHING
(D105, C115, D156
R112)
FEED-BACK
BLOCK
(R116,R117,R118
R119,R120,R121
C114)
RECTIFIER
& SMOOTHING
DRIVE &
OVER CURRENT LIMIT
BLOCK
+
TO SYS
TO TU/IF
TO Hi-Fi, TU/IF
12VA(DRUM)
TO SYS
-29VA
TO SYS
FD(-)
TO SYS
FD(+)
36V
12V
TO OSD
5.1V
12V(CAP)
TO SYS, DRUM
5.1V(ANALOG)
TO AVCP, Hi-Fi
FROM SYS
5.2V
TO SYS, TU/IF
SNUBBER
BLOCK
(Q102, D101, D103, D104, R106,
R109, R108, C107, C108, C112)
(D102,R104,
C105,C106)
(D109, C120,
L104,C121)
RECTIFIER
& SMOOTHING
(DIF2, FIF2,
CIF2, RIF1)
RECTIFIER
& SMOOTHING
(DIF1, FIF1, CIF1)
VOLTAGE DOWN
(D151, D152, D153)
(D106, C116,
L103,C117)
(Q157,R163,
R164)
(Q159, R165, R166,
C157, C156, ZD154)
SWITCHING
BLOCK
(Q160, Q161, Q162
R152, R167)
NOTES :
Symbol denotes AC ground.
Symbol denotes DC chassis ground.
!
!
!
!
!
!
!
!
!
5V SWITCHING
BLOCK
(Q158, R161, R162,
C158, C160, ZD153)
P.CTL "H"
D154
D155
ZD1F1
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BLOCK DIAGRAM-2 (TUNER SECTION)
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SW701
4CH 3CH
TU701
AERIAL
SIF
A.OUT
20
19
V.OUT
AFT
IF
N.C
TU33V
N.C
N.C
REG 5V
DATA
CLOCK
ENABLE
N.C
REG AGC
V.IN
CONTROL
REG 5V
CH S/W
A.IN
FROM POWER
5.2VA
FROM POWER
36V
BUFFER
Q701
u-COM 45PIN(F SYS)
V. IN
u-COM 55PIN(F SYS)
VCR ’H’
u-COM 90PIN(F SYS)
IIC CLOCK
u-COM 9PIN(TO SYS)
AFT
TO Hi-Fi
SIF OUT
TO AVCP
V. OUT
AUD. IN
FROM Hi-Fi AUDIO
u-COM 91PIN(F SYS)
IIC DATA
VHF/UHF
RF OUT
JK301
LINE 1
VIDEO
OUT
:VIDEO PB SIGNAL
:VIDEO REC SIGNAL
:AUDIO PB SIGNAL
:AUDIO PB SIGNAL
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0
5
1
5
1
3
6
7
3
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13
BLOCK DIAGRAM-3 (VIDEO SECTION-PB MODE)
+
+
51
42
39
44
14
13
62
69
63
81
86
87
89
88
91
93
94
92
84
IC301
HA118717LF
AUDIO/VIDEO
PROCESSOR
79
78
22
71
73
52
56
21
26
24
23
18
19
50
60
58
55
54
35
46
75
EP CH2
EP CH1
V. OUT
D-V SYNC
Y-CCD
C-CCD
CLOCK Drive
FBC
Video ALC
LPF
REC-AMP
SP CH2
REC-AMP
SP CH1
REC-AMP
EP CH2
REC-AMP
EP CH1
DATA
CLOCK
V.H/SW30
V.ENV
SP CH2
SP CH1
Serial Cont
interface
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
X-tal
VCO/OSC
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
7
6
5
10
9
8
P3D01
CH2
CH1
CH2
CH1
SP
EP
X301
3.58MHz
DLIM: Double Limit
FBC: Feed Back Clamp
YNR: Y Noise Reduction
APC: Automatic Phase Control
ACC: Automatic Color Control
: PB Y SIGNAL
: PB CHROMA SIGNAL
: PB VIDEO SIGNAL
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9
2
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9
4
2
9
8
0
5
1
5
1
3
6
7
3
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14
BLOCK DIAGRAM-4 (VIDEO SECTION-REC MODE)
+
+
+
51
52
42
39
44
46
35
31
30
28
29
21
26
24
23
18
19
50
22
20
14
13
15
60
58
62
69
63
73
71
81
86
87
89
88
+
+
+
91
93
94
92
VIDEO
AGC
CLEAR
SYNC
V. OUT
D-V SYNC
Y-CCD
C-CCD
CLOCK Drive
6dB
AMP
FBC
Video ALC
SQUEL CH
C-SYNC
ATT
-10dB
ATT
-10dB
ATT
-10dB
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
REC-AMP
EP CH2
REC-AMP
EP CH1
MIX
ATT
B.E
C.K
CCD
LPF
L-DET
VCD
(-4dB)
f0=1.68M
f/0DEV
Adjst
X-tal
VCO/OSC
Serial Cont
interface
DATA
CLOCK
V.H/SW
SP CH2
SP CH1
EP CH2
EP CH1
75
IC301
HA118717LF
AUDIO/VIDEO
PROCESSOR
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
20
V.OUT
TU701
TUNER
JK301
VIDEO IN
LINE 1
LINE 2
PMK01
P9M02
JK903
VIDEO IN
JACK C.B
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
X301
3.58MHz
7
6
5
10
9
8
P3D01
: REC Y SIGNAL
: REC CHROMA SIGNAL
: REC VIDEO SIGNAL
2
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2
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5
1
5
1
3
6
7
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NORMAL AUDIO IN
22
29
30
24
59
62
Hi-Fi
HEAD
MOD A. OUT
R CH
BPF
FM LIM
SW
PNR
R CH
AUDIO
LIMIT
L CH
BPF
PNR
L CH
AUDIO
LIMIT
SW
NOISE
53
57
OUT
SELECT SW
OUT
SELECT SW
AMP
AMP
A.ENV
SW
NOISE
28
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
TUNER/IF
SECTION
AUDIO
OUT R
AUDIO
OUT L
JK301
LINE 1
AUDIO
IN L
AUDIO
IN R
JK301
LINE 1
LINER
SW
IC801
AN3662FBP-V
Hi-Fi AUDIO PROCESS
IC801
AN3662FBP-V
Hi-Fi AUDIO PROCESS
To
AUDIO/
VIDEO
SECTION
: PB AUDIO SIGNAL
TU701
TUNER
AUDIO
LIMIT
VCO
REC
LPF
10
15
21
VCO
REC
LPF
48
18
SIF
Hi-Fi
HEAD
AGC
PNR
LCH
PNR
RCH
INPUT
SW(L)
INPUT
SW(R)
DEM
BLOCK
SAP
DEMOD
DBX
NOISE
REDUCTION
MATRIX
AUDIO
LIMIT
AUDIO
IN R
AUDIO
IN L
JK903
LINE 2
9
14
SW
61
To
AUDIO/
VIDEO
SECTION
NORMAL
A.OUT
P9M02
PMK01
6
4
JACK C.B
: REC AUDIO SIGNAL
IC801
AN3662FBP-V
Hi-Fi AUDIO PROCESS
IC301
HA118717NF
AUDIO/VIDEO
PROCESSOR
IC301
HA118717NF
AUDIO/VIDEO
PROCESSOR
VCA
EQ
AMP
57
62
11
59
MOD A.OUT
DATA
CLOCK
R/P HEAD
N.A.IN
EQ
OUTPUT
SELECTOR
62
63
1
100
2
53
R/P
HEAD
AUDIO
IN L
AUDIO
IN R
JK301
LINE 1
TU701
TUNER
10
15
48
18
SIF
INPUT
SW(L)
INPUT
SW(R)
DEM
BLOCK
SAP
DEMOD
DBX
NOISE
REDUCTION
MATRIX
AUDIO
IN R
AUDIO
IN L
JK903
LINE 2
9
14
SW
P9M02
PMK01
6
4
JACK C.B
: REC AUDIO SIGNAL
IC801
AN3662FBP-V
Hi-Fi AUDIO PROCESS
11
DET
VCA
62
61
9
REC
AMP
81
Serial Cont
interface
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
AUDIO
OUT R
AUDIO
OUT L
JK301
LINE 1
To
TUNER/IF
SECTION
57
59
MOD A.OUT
OUTPUT
SELECTOR
53
AUDIO
OUT R
AUDIO
OUT L
JK301
LINE 1
To
TUNER/IF
SECTION
: PB AUDIO SIGNAL
16
15
BLOCK DIAGRAM-5 (AUDIO SECTION-PB MODE)
BLOCK DIAGRAM-6 (AUDIO SECTION-REC MODE)
BLOCK DIAGRAM-7 (Hi-Fi AUDIO SECTION-PB MODE)
BLOCK DIAGRAM-8 (Hi-Fi AUDIO SECTION-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
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18
17
BLOCK DIAGRAM-9 (SYSTEM CONTROL SECTION)
LOADIG MOTOR DRIVE
1
2
3
4
5
5.2V
5.3V
3
14.3MHz
RC501
TSOP238SP1
REMOTE
SENSOR
R556
P9M02
PMK01
9
P9M01
PMK02
2
JACK C.B
KEY C.B
KA7531Z
RESET
Q501
KA7542Z
POWER FAIL
IC5F1
UPD16311GC-AB6
DISPLAY DRIVE
IC5A1
LC74785-9018
JUST CLOCK
IC503
AT24C04-10PC
EEP ROM
DISPLAY
GMS3977RAA98F
SYSCON/SERVO
PROCESSOR
55
VCR "H"
58
SQPB "H"
18
JUST CLOCK
8
SYNC JDJ
2
Xtal IN
9
CS1
10 SCLK
11 SDATA
17 SYNC IN
21 ACSS ENA "H"
22 CPDP
6
CLOCK
5
DATA
65
ACSS ENA "H"
66
ACSS OSD ENA "L"
90
91
OSD "H"
REC "H"
6
MTS IN
87
79
C.SYNC
62
A.MUT "H"
To
TUNER/IF
SECTION
To
AUDIO/
VIDEO
SECTION
To
Hi-Fi
AUDIO
SECTION
To
MECHA.DECK
12VA
1
2
PML01
CS501
CST/TAP.SW
SW901
CH UP
SW902
CH DOWN
SW903
EJECT
SW904
POWER
STANDBY/ON
SW905
REC/ITR
SW906
PAUSE/
STILL
SW907
REW/
SW908
PLAY
SW909
/F FWD
SW910
STOP
SW911
ONE-TOUCH
PLAYBACK
ZD503
D501
C504
C510
R580
5.2V
5.1V
VIDEO IN
2Fsc
Q504
Q505
SW
Q506
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
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20
19
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
-06
LINE
FILTER
-TP-BL
AC120V
60Hz
0.01/400V
0.01/400V
KTA1266-GR
MTZ6.2B
KTC3203-Y
KTC3198-TP-BL
KTC3198-TP-BL
GDZJ5.6C
KTC3203Y
ICP-N20
ICP-N20
ERC81-004L22
RU3YX-LFC1
To
SYSTEM CONTROL/SERVO/OSD SECTION
To Hi-Fi
AUDIO
SECTION
To
TUNER/IF
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
AUDIO/
VIDEO
SECTION
To
Hi-Fi
AUDIO
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
POWER CONTROL
POWER CONTROL
36V SW
12V REG
5.2V REG
5.1V REG
5.1V REG
5.1V SW
(DRUM)
(CAP)
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
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21
SCHEMATIC DIAGRAM-2 (AUDIO/VIDEO SECTION)
13
8
9
7
6
5
2
1
3
11
10
12
4
:REC Y SIGNAL
:REC CHROMA SIGNAL
:PB Y SIGNAL
:PB CHROMA SIGNAL
: PB AUDIO SIGNAL
: EE AUDIO SIGNAL
: REC AUDIO SIGNAL
WAVEFORM
Y-ZMPH
MAIN(AUDIO/VIDEO SECTION)C.B
To
Hi-Fi AUDIO
SECTION
To
CYL.HEADS
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
AUDIO/CTL
HEADS
To
FULL ERASE
HEAD
100V
-TP
TA
-GR
KTC3198-TP-BL
KTC3198-TP-BL
(4/4)
(7/7)
(3/4)
(2/4)
(6/7)
A-Y
(4/7)
(3/7)
(2/7)
(1/7)
(1/4)
(5/7)
OUT
OUT L
IN L
OUT R
IN R
VIDEO
AUDIO
IN
LINE 1
To
Hi-Fi
AUDIO
SECTION
To
Hi-Fi
AUDIO
SECTION
To
Hi-Fi
AUDIO
SECTION
To
TUNER/IF
SECTION
To
TUNER/IF
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
POWER
SECTION
AUDIO/VIDEO
PROCESSOR
Q302,Q303
REC OSC SW
Q304-Q307
REC SW
BIAS OSC
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
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23
WAVEFORMS-1 (IC301)
IC301 Pin 9
(TU A. IN)
IC301 Pin !
(A.OUT)
IC301 Pin #
(MAIN EMPH)
IC301 Pin ¡
(CCD IH DELAY)
IC301 Pin ⁄
(TU V.IN)
IC301 Pin 44
(CCD CLOCK)
IC301 Pin 52
(V.OUT)
IC301 Pin 46
(CCD 1H DELAY)
IC301 Pin 51
(D.V SYNC, TRICK MODE)
IC301 Pin 55
(COLOR OUT,
PB MODE)
IC301 Pin 81
(V.H.S/W30)
IC301 Pin 71
(3.579545M OSC)
IC301 Pin 79
(PB RF)
11
13
12
13
12
IC301 Pin 81
(V.H. S/W30)
13
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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
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24
VOLTAGE CHARTS
REC
PB
MODE
PIN NO.
IC301
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
2.5
2.5
0
2.5
0
2.8
2.5
2.5
2.5
2.5
2.5
5
2.1
2.1
2.3
0
-
2.1
2.8
2.8
2.1
2.4
2.8
2.1
1.4
2.1
0
2.8
1.9
2.8
-
-
-
-
2.7
5.1
-
5.1
2.7
5.1
5.1
1.7
5.1
2.5
0
1.9
0
0
0
-
-
-
2.8
1.9
2.5
2.5
0
2.5
0
2.8
2.5
2.5
2.5
2.5
2.5
5
1.6
1.6
2.3
-
1.8
2.1
2.8
2.8
2.1
2.2
2.8
2.1
1.4
2.1
0
2.8
1.9
2.8
-
-
-
-
2.7
5.1
-
5.1
2.7
5.1
5.1
1.7
5.1
2.5
0
1.9
0
0
0
-
-
-
2.8
1.9
REC
PB
MODE
PIN NO.
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC801
1
2
3
4
5
6
7
8
2.1
2.8
-
2.8
2.8
2.8
5
-
-
-
-
5.0
5
0
2.5
2.5
2.1
2.2
2.1
2.7
2.1
-
-
2.8
-
-
-
1.1
-
0
0
2.3
2.3
2.3
2.3
5.1
2.3
2.3
2.3
2.3
1.4
5
-
-
-
2.5
2.4
0
3.4
0
2.2
2.5
2.0
0.3
2.1
2.8
-
2.8
2.8
2.8
5
-
-
-
2.3
5.0
5
0
2.5
2.5
2.1
2.2
2.1
-
2.1
-
-
2.8
2.1
-
-
1.1
-
-
0
2.1
2.1
2.1
2.1
5.1
2.1
2.1
2.1
2.1
0
5
-
-
-
2.5
2.4
0
2.4
0.4
2.2
2.5
2.0
0.3
REC
PB
MODE
PIN NO.
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
0
0
0
2.0
2.2
0
0
2.5
0.8
2.5
2.5
2.4
2.4
2.4
0
2.4
4.7
2.4
5.1
0
3.7
3.5
1.1
2.5
2.5
0.8
2.5
0.1
1.5
0.0
0.2
5.0
0
5
4.9
2.3
0
3.4
1.3
2.2
3.4
3.3
4.9
3.3
5.9
2.3
0
0
5.9
11.8
5.9
0.7
2.5
2.4
2.2
0
0
0
2.0
2.2
0
0
2.5
0.8
2.5
2.5
0
0
0.7
0
0.7
4.9
0
2.6
3.8
1.8
1.7
2.6
2.5
2.5
0.9
2.5
0
1.7
0
0
5.0
0
5
4.9
2.3
0
3.5
1.3
2.2
3.4
3.3
5.0
3.4
5.9
2.3
0
0
5.9
11.8
6.0
0.8
2.5
2.4
2.2
REC
PB
MODE
PIN NO.
64
IC501
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
0.4
0
0
0
PULSE
PULSE
0
0
0
0
0
0.1
0
5.34
5.33
5.34
5.23
0
2.68
5.17
5.17
0
5.24
2.65
2.65
2.83
2.72
0
2.63
5.2
0
2.78
2.29
0
0
2.24
2.24
2.23
3.04
0.1
2.46
5.23
5.07
2.7
1.39
2.71
0
2.01
1.34
0
1.42
1.33
2.51
2.42
0.4
0
0
0
PULSE
PULSE
0
0
0
1.97
3.12
0
0.18
5.33
5.33
5.34
0
0
0
5.19
5.2
0
5.26
5.22
2.65
2.8
2.7
0
2.65
2.65
0
2.23
2.23
0
0
2.24
2.23
0
3.03
0.16
2.45
5.21
5.06
1.87
1.38
1.85
0
2.7
1.8
0
0.9
0.8
2.5
2.42
REC
PB
MODE
PIN NO.
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC502
1
2
3
4
5
6
7
0.42
0
PULSE
0
0
0
4.96
0
0
0
0
5.19
5.18
5.18
0
1.53
0.89
0
2.45
2.44
5.35
0
5.35
5.35
3.14
4.87
2.82
2.51
5.09
0
0
0
0
4.59
0
4.92
5.3
5.3
0.1
0.12
4.68
5.15
0
0.6
0
0
0
0
0.3
0.7
0.3
2.1
2.1
11.8
0.77
5.21
PULSE
0
0
0
4.98
0
0
0
0
5.2
5.2
5.2
0
1.54
0.97
0
2.4
2.47
5.35
0
5.35
5.35
3.14
0
2.81
4.84
5.09
0
0
0
0
4.38
0
0
5.35
5.35
0.1
0.1
5.25
5.25
0
0
0
0
0
0
0.3
0.7
0.3
2.1
2.1
11.6
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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
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25
Base
Collector
Emitter
REC
PB
REC
PB
REC
PB
12.5
35
6.01
5.84
0.7
0
0.7
5.68
0.3
5.0
0
4.3
0.7
0.7
0
4.93
4.57
2.73
0
0.4
PULSE
PULSE
2.73
0
2.5
0
0
0
12.5
35.7
6.01
5.84
0.7
0
0.7
5.68
0.5
4.3
4.2
4.2
-2.5
-19.3
4.2
0.7
4.5
2.73
0
0.39
PULSE
PULSE
2.73
0
2.5
0
0
0
15.2
35.8
5.36
5.36
0
35.8
0
5.35
0.3
0.2
5
4.9
0
0
5
0
5.26
0
3.36
4.57
PULSE
PULSE
0
2.23
3.1
0
0
0
15.4
36.3
5.36
5.36
0
36.3
0
5.35
4.6
4.9
0
-12.7
0
0
4.2
0
5.24
0
3.36
4.58
PULSE
PULSE
0
2.23
3.1
0
0
0
11.7
35.8
5.22
5.1
0
35.8
0
5.06
0
5.0
0
4.9
0
0
5
5.35
5.35
3.34
0
0
0
0
3.36
2.21
0
0
0
0
11.9
36.4
5.22
5.05
0
36.4
0
5.06
0
5.0
0
4.2
-19.3
24.7
5
0
5.35
3.36
0
0
0
0
3.37
2.21
0
0
0
0
Q152
Q157
Q158
Q159
Q160
Q161
Q162
Q163
Q301
Q302
Q303
Q304
Q305
Q306
Q307
Q501
Q503
Q504
Q505
Q506
Q514
Q515
Q5A1
Q5J1
Q701
Q801
Q802
Q803
REC
PB
MODE
PIN NO.
8
9
10
IC504
1
2
3
IC505
1
2
3
IC5A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
IC5F1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
11.8
0.7
0.3
5.1
0
5.1
5.2
0
4.9
0
2.8
5.2
5.2
0
0.2
5.2
2.7
5.1
5.2
5.2
5.2
0.2
0
0.2
5.2
3.4
4.6
4.8
5.2
5.1
5.2
5.2
5.2
0
0
0
0
0
0.6
5.3
5.2
4.7
0
0
0
0
5.3
-27
-20.9
-17.7
-30.5
11.6
0.7
0.3
5.1
0
5.1
5.2
0
4.9
0
2.8
5.2
5.2
0
0.2
5.2
2.7
5.1
5.2
5.2
5.2
0.2
0
0.2
5.2
3.1
4.6
4.8
5.2
5.1
5.2
5.2
5.2
0
0
0
0
0
0.6
5.3
5.2
4.7
0
0
0
0
5.3
-26.5
-23.8
-14.3
-30.1
REC
PB
MODE
PIN NO.
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
-30.5
-27.3
-10.7
-14.4
-24
-24
-11
-17.6
-30.8
-30.8
-30.8
-17.9
-30.8
-30.8
5.3
-31
-30.8
-27.5
-27.6
-27.6
-27.6
-27.6
-27.6
-27.6
-27.6
-27.6
5.3
0
0
5.3
0
0
0
3
-30.1
-27
-10.5
-13.3
-27
-27
-14.2
-17.4
-30
-30
-30
-14
-30
-30
5.3
-30.6
-30
-27
-27
-27
-27
0
-27
-27
-27
-27
5.3
0
0
5.3
0
0
0
3
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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
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26
WAVEFORMS-2 (IC501)
IC501 Pin 24
1V/5mS
REC/PB modes
(V.H/SW)
IC501 Pin 27
1V/2mS
QUE/REV modes
(D.V-SYNC)
IC501 Pin ⁄
1V/10mS
REC mode
(CTL+)
IC501Pin ¤
1V/10mS
REC mode
(CTL–)
IC501 Pin 38
1V/1mS
REC/PB mode
(DFG)
IC501 Pin ·
1V/10µS
REC/PB modes
(DPG)
IC501 Pin .
500mV/10µS
EE/PB modes
(V-OUT)
IC501 Pin ‚
1V/1mS
REC/PB modes
(CFG)
IC501 Pin ,
100mV/10µS
EE/PB modes
(V-IN)
IC501Pin 54
1V/20µS
EE/PB modes
(C-SYNC)
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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
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28
27
SCHEMATIC DIAGRAM-3 (SYSTEM CONTROL/SERVO/OSD SECTION)
1
2
3
4
5
6 7
8
9
10
WAVEFORM
MAIN(SYSTEM CONTROL/SERVO/OSD SECTION)C.B
(2/3)
(2/3)
(3/7)
(2/7)
(2/6)
(1/3)
(1/3)
(1/3)
(1/7)
(1/6)
(7/7)
(3/6)
(14/15)
(13/15)
(11/15)
(2/3)
KTA1266-GR
-9018
(10/15)
AT24C04-10PC
(12/15)
(15/15)
4.7K
4.7K
(1/3)
(2/3)
GMS3977RAA98F
SYSON/SERVO
PROCESSOR
(1/3)
(5/15)
(6/15)
(2/8)
(1/3)
MTZ6.2A
RL104
KTC3198-TP-BL
KTA1266-GR
TP
TP
TP
TP
(3/3)
(3/8)
KTC3198-TP-BL
KTA1266-GR
GS1S566
GS1S566
(6/8)
(7/8)
(8/8)
(4/8)
(7/15)
(9/15)
(8/15)
(5/8)
LOADING MOTOR DRIVE
(2/3)
(2/3)
(2/3)
(2/3)
(3/3)
(3/3)
(3/3)
(3/3)
UPD16311GC-AB6
(3/3)
(3/3)
(3/3)
7MT229GK
(2/15)
(4/15)
TSOP1238SP1
REMOTE
SENSOR
(1/15)
(1/8)
(1/3)
(1/3)
(4/7)
(4/6)
(5/7)
(5/6)
(6/7)
(6/6)
(1/3)
(3/3)
(2/3)
(3/15)
To
JACK C.B
P9M02
To
KEY C.B
P9M01
To
TUNER/IF
SECTION
To
Hi-Fi AUDIO
SECTION
To
AUDIO/
VIDEO
SECTION
To
POWER
SECTION
To
AUDIO/
VIDEO
SECTION
To
LOWER
DRUM
PDM01
To
CAPSTAN
MOTOR
PCM01
MODE SW
To
LOADING
MOTOR
To
AUDIO/
VIDEO
SECTION
Q514,Q515
WAVE FORM SHAPER
VCC SW
VCC SW
POWER FAIL
DISPLAY DRIVE
JUST CLOCK
VOICE "H"
w w w
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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
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29
SCHEMATIC DIAGRAM-4 (Hi-Fi AUDIO SECTION)
MAIN(Hi-Fi AUDIO SECTION)C.B
A.R.L1
A.R.L2
A.L.L1
A.L.L2
-V
KTC3198-TP-BL
KTC3198-TP-BL
KTC3198-TP-BL
To
POWER
SECTION
To
POWER
SECTION
To
AUDIO/
VIDEO
SECTION
To
AUDIO/
VIDEO
SECTION
To
TUNER/IF
SECTION
To
TUNER/IF
SECTION
To
AUDIO/
VIDEO
SECTION
To
AUDIO/
VIDEO
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
AUDIO/
VIDEO
SECTION
To
AUDIO/
VIDEO
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
: PB AUDIO SIGNAL
: REC AUDIO SIGNAL
: EE AUDIO SIGNAL
Hi-Fi AUDIO
PROCESS
Q801-Q803
AUDIO MUTE SW
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
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
E
F
G
H
I
J
B
C
E
B
C
E
B
C
E
E
C
B
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
AC120V
60Hz
1
3
REMOTE
SENSOR
RC501
To
KEY C.B
P9M01
CS501
CST/TAP.SW
To
JACK C.B
P9M02
To
FULL
ERASE
HEAD
P3D03
PMD01
To
LOWER DRUM
PDM01
P3D01
To
CYL.HEADS
P3D02
To
CTL/AUDIO
HEADS
PML01
To
LOADING
MOTOR
PMC01
To
CAPSTAN
MOTOR
PCM01
SW701
CH3
CH4
IC301
IC501
B
C
E
E
C
B
E
C
B
B
C
E
1
2
B
C
E
B
C
E
1
1
3
10
3
5
7
3
1
3
1
4
2
1
5
9
2
6
10
5 3 1
2
4
6
B
C
E
1
3
5
7
9
10
3
1
1
2
8
6
4 2
1
3
5
7
13
12
11
10
9
8
7
6
5
4
3
2
1
1
4
3
2
E
C
B
B
C
E
1
2
3
4
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
B
C
E
1
3
5
E
C
B
B
C
E
3
1
4
2
MAIN C.B
VIDEO
OUT
IN
AERIAL
VHF/UHF
RF OUT
AUDIO
R
L
LINE 1
1
3
5
6
8
10
12
14
16
17
20
32
31
CIRCUIT BOARD DIAGRAM-1 (MAIN C.B)
w w w
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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
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33
SCHEMATIC DIAGRAM-5 (KEY SECTION)
SCHEMATIC DIAGRAM-6 (JACK SECTION)
CIRCUIT BOARD DIAGRAM-2 (KEY C.B)
CIRCUIT BOARD DIAGRAM-3 (JACK C.B)
10
9
8
7
6
5
4
3
2
1
GND
KEY RTN 0
GND
GND
AUDIO-R(L2))
GND
AUDIO-L(L2)
GND
VIDEO(L2)
GND
P9M02
To
MAIN C.B
SYSCON/
SERVO
SECTION
PMK01
JK903
VIDEO IN
JK901
AUDIO IN(L)
JK902
AUDIO IN(R)
P9M01
1
2
3
4
5
GND
KEY RTN 1
OTPB "H"
5.3VA
GND
R901
1.8K
R902
1.5K
R903
2.2K
SW901
CH UP
SW902
CH DOWN
SW903
SW904
R910
150
R904
1.8K
R905
1.5K
R906
2.2K
R907
2.7K
R908
3.9K
R909
6.8K
R911
1K
Q901
KTC3199-BL
LD901
SG5311
OTPB
SW905
SW906
SW907
SW908
SW909
SW910
SW911
KEY C.B
JACK C.B
(
)
To
MAIN C.B
SYSCON/
SERVO
SECTION
PMK02
(
)
REC/ITR
PAUSE/
STILL
REW/
/F FWD
PLAY
STOP
ONE-TOUCH
PLAYBACK
EJECT
POWER
STANDBY/ON
LINE 2
SW909
B
C
E
Q901
R910
LD901
R911
R909
R908
R907
R906
R905
R904
1
5
P9M01
To
MAIN C.B
PMK02
3
SW909
/F FWD
SW907
SW907
REW/
SW908
SW911
SW910
SW906
SW905
SW908
PLAY
SW910
STOP
SW906
PAUSE/STILL
SW905
REC/ITR
SW911
ONE-TOUCH
PLAYBACK
LD901
OTPB
KEY C.B
10
5
1
P9M02
R901
R902
R903
To
MAIN C.B
PMK01
SW901
SW903
SW904
SW902
JK902
JK901
LINE 2
AUDIO IN
L
R
VIDEO IN
JK903
SW901
SW902
CHANNEL
SW903
EJECT
POWER
STANDBY/ON
SW904
JACK C.B
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
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36
35
SCHEMATIC DIAGRAM-7 (TUNER/IF SECTION)
AERIAL
VHF/UHF
RF OUT
MAIN(TUNER/IF SECTION)C.B
KTA1266-GR
3CH
4CH
To
AUDIO/VIDEO
SECTION
To
AUDIO/VIDEO
SECTION
To
Hi-Fi AUDIO
SECTONI
To
Hi-Fi AUDIO
SECTION
To
POWER
SECTION
To
POWER
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
To
SYSTEM
CONTROL/
SERVO/OSD
SECTION
: PB VIDEO SIGNAL
: REC VIDEO SIGNAL
: PB AUDIO SIGNAL
: REC AUDIO SIGNAL
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
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38
37
IC DESCRIPTION
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.)
1. Input signal for checking MTS MODE.
2. Mono: 0 ~ 0.4 V, Mono-SAP: 0.8 ~ 1.4, ST: 1.8 ~ 2.4, ST + SAP: 2.8V~
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
MTS IN
LEVEL METER “L”
LEVEL METER “R”
AFT
PG ADJ
A.ENV
V.ENV
KEY RTN 0
IC, GMS3977RAA98F
Each operating mode
Sec
PLAY, REC
SP=3 EP/LP=6
FF, (REW)
2
CUE, (REV)
1
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
22
Pin No.
Pin Name
I/O
Description
Pin No.
Pin Name
I/O
Description
w w w
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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
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Pin No.
Pin Name
I/O
Description
39
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
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9
2
8
9
4
2
9
8
0
5
1
5
1
3
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Pin No.
Pin Name
I/O
Description
40
Vref (OSD)
CV OUT
CHAR BIAS
AFC LPF
AFC OSC
Vss (OSD)
DOSC IN
DOSC OUT
2fsc OUT
2fsc IN
COMPOSITE SYNC.
VCR “H”
VOICE “H”
CST SW “H”
SQ PB IN
OSD “H”
POWER
CONTROL “H”
CAPSTAN
REVERSE “H”
AUDIO MUTE “H”
Z-SEARCH “H” (18V)
OTPB “H”
EXT REC “H”
ACSS OSD ENA
OPT RTNC
(CTL MON)
TEST “H”
X-TAL 2
X-TAL 1
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
–
O
–
I
–
I
O
O
I
I
O
O
I
I
O
O
O
O
O
O
O
O
I
I
O
I
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.
1. A switching signal to output normal audio and speakez.
2. Outputs “H” in Speakez 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.
Input “H” signal from AVCP in super tape PB mode. (option)
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)
Detects signal for clock and Data for OSD mode between clock and data at IC501.
Option check port
GND.
1. 32.768 kHz oscillator is used as standard clock for clock display.
2. When Vcc supplied, oscillation occurs.
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Pin No.
Pin Name
I/O
Description
41
µ-COM main ground.
1. 10MHz oscillator is used to generate the standard clock used to operate the µ-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.
RETURN
EJECT
ULC
LOADING START
LOADING END
NONE
REV
PLAY
BRAKE
FF, REW
–
I
O
I
I
O
O
71
72
73
74
75
76
77
78
79
80
Vss (SYS)
OSC 1
OSC 2
MODE SW4
MODE SW3
MODE SW2
MODE SW1
I-LIMIT
REC START “H”
CAP ACCEL “H”
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
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9
2
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Pin No.
Pin Name
I/O
Description
42
81
82
83
84
85
86
87
88
89
90
91
92, 93
94
95
96
97
98 ~ 100
DRUM ADJ
R/C
G4
G3
G2
G1
COMPOSITE
SYNC. (INV)
G5
POWER FAIL
IIC CLOCK
IIC DATA
S9, S8
S7/FLD ENABLE
S6/FLD CLOCK
S5/FLD DATA IN
S4/FLD DATA OUT
S3 ~ S1
O
I
O
I
O
I
O
O
O
O
O
I
O
O
Pulse output to control drum motor in slow mode.
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 (Not connected).
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.
For LED clock mode (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
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43
IC BLOCK DIAGRAM
IC, GMS3977RAA98F
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