PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER ELECTRONIC CORPORATION 1999 K-ZZB. MAR. 1999 Printed in Japan ORDER NO. CRT2267 HIGH POWER CASSETTE PLAYER WITH RDS TUNER KEH-1900R�X1M/EW Service Manual CONTENTS 1. SAFETY INFORMATION............................................2 2. EXPLODED VIEWS AND PARTS LIST ......................2 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ....9 4. PCB CONNECTION DIAGRAM................................18 5. ELECTRICAL PARTS LIST........................................26 6. ADJUSTMENT.........................................................31 7. GENERAL INFORMATION.......................................33 7.1 PARTS ................................................................33 7.1.1 IC...............................................................33 7.1.2 DISPLAY ...................................................36 7.2 DISASSEMBLY ..................................................37 8. OPERATIONS AND SPECIFICATIONS....................38 KEH-1930R�X1M/EW NOTE: - See the separate manual CX-644(CRT1800) for the cassette mechanism description. - The cassette mechanism assy employed in this model is one of 2M series. KEH-1900R/X1M/EW 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 KEH-1900R,1930R 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING 2 4 3 6 9 1 12 11 10 8 7 15 16 13 14 5 17 1. SAFETY INFORMATION CAUTION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so and refer the repair to a qualified service technician. 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 KEH-1900R,1930R NOTE: - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to ∇ mark on the product are used for disassembly. - PACKING SECTION PARTS LIST Part.No Mark No. Description KEH-1900R/X1M/EW KEH-1930R/X1M/EW 1 Cord Assy CDE5807 CDE5807 2 Accessory Assy CEA1917 CEA1917 3 Handle CNC5395 CNC5395 4 Bush CNV3930 CNV3930 5 Screw CBA1304 CBA1304 * 6 Polyethylene Bag E36-615 E36-615 7 Carton CHG3600 CHG3601 8 Contain Box CHL3600 CHL3601 9 Protector CHP1622 CHP1622 10 Protector CHP1623 CHP1623 11 Polyethylene Bag CEG-162 CEG-162 12 Case Assy CXB3520 CXB3520 13 Owner's Manual CRD2806 CRD2806 14 Owner's Manual CRD2807 CRD2807 15 Installation Manual CRD2809 CRD2809 * 16 Passport CRY1013 CRY1013 * 17 Warranty Card CRY1087 CRY1087 - Owner's Manual, Installation Manual Model Part No. Language KEH-1900R/X1M/EW CRD2806 English,Spanish,Dutch KEH-1930R/X1M/EW CRD2807 French,Italian,German CRD2809 English,Spanish,Dutch,French,Italian,German 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 KEH-1900R,1930R 2.2 EXTERIOR 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 KEH-1900R,1930R (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ26P050FMC 2 Screw BSZ30P100FMC 3 Cord Assy CDE5807 4 Terminal Cover CKX-003 5 Case CNB2481 6 Screw BSZ30P055FUC 7 Screw BSZ30P060FMC 8 Screw BSZ30P100FMC 9 Holder CNC5704 10 Cushion CNM4870 11 Insulator CNM5025 12 Tuner Amp Unit CWM6350 13 ••••• 14 Screw BSZ26P080FMC 15 Screw BSZ26P140FMC 16 FM/AM Tuner Unit CWE1466 17 Holder CNC6554 18 ••••• 19 Plug(CN601) CKM1270 20 Connector(CN604) CKS3362 21 ••••• 22 Connector(CN603) CKS3581 23 Antenna Jack(CN301) CKX1056 24 Panel CNB2246 25 Holder CNC5399 26 Holder CNC6216 27 Heat Sink CNC6217 28 ••••• 29 Holder CNC6845 30 Chassis Unit See Contrast table(2) 31 Holder Unit CXB2687 32 Button CAC4836 33 Spring CBH1834 34 Spring CBH1835 35 Spring CBH1996 36 Bracket CNC6135 37 Bracket CNC6791 38 Arm CNV4692 39 Arm CNV4693 40 Arm CNV4728 41 Panel Unit See Contrast table(2) 42 Door See Contrast table(2) 43 Spring CBH1838 44 Panel See Contrast table(2) 45 Screw IMS20P030FZK 46 Detach Grille Assy See Contrast table(2) 47 Screw BPZ20P120FZK 48 Button(Detachable) CAC5869 49 Button(Eject) See Contrast table(2) 50 Button(REW) See Contrast table(2) 51 Button(FF) See Contrast table(2) 52 Button(F,A,Cross) See Contrast table(2) 53 Button(-,-) See Contrast table(2) 54 Button(1-6,D,B) CAC5881 55 Button(+,-) See Contrast table(2) 56 Button(SO/OFF,PGM) See Contrast table(2) 57 Spring CBH1836 58 Spring CBH2103 59 Grille Unit See Contrast table(2) 60 Cover See Contrast table(2) 61 Keyboard Unit See Contrast table(2) 62 LCD(LCD901) CAW1512 63 Connector(CN901) CKS3580 64 Holder CNC8054 65 Connector CNV5586 66 Rubber CNV5587 67 Holder CNV5589 68 Lighting Conductor CNV5752 69 Case Assy CXB3520 70 IC(IC501) TDA7384 71 Fuse(10A)(FU951) CEK1136 72 Transistor(Q804) 2SD2396 73 Cassette Mechanism Assy EXK3450 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 KEH-1900R,1930R (2) CONTRAST TABLE KEH-1900R/X1M/EW and KEH-1930R/X1M/EW are constructed the same except for the following: Part No. Mark No. Description KEH-1900R/X1M/EW KEH-1930R/X1M/EW 30 Chassis Unit CXB3224 CXB3225 41 Panel Unit CXB3714 CXB3716 42 Door CAT2028 CAT2037 44 Panel CNS5211 CNS5212 46 Detach Grille Assy CXB3376 CXB3373 49 Button(Eject) CAC5870 CAC5871 50 Button(REW) CAC5872 CAC5873 51 Button(FF) CAC5874 CAC5875 52 Button(Cross,A,F) CAC6127 CAC5877 53 Button(-,-) CAC5878 CAC5879 55 Button(+,-) CAC6128 CAC5883 56 Button(SO/OFF,PGM) CAC5884 CAC5885 59 Grille Unit CXB4038 CXB4039 60 Cover CNS5209 CNS5210 61 Keyboard Unit CWM6272 CWM6274 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 KEH-1900R,1930R 2.3 CASSETTE MECHANISM 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 8 KEH-1900R,1930R 1 Screw BSZ23P050FMC 2 Washer CBG1003 3 Connector(CN1) CKS2829 4 Screw(M2x5) EBA1038 5 Screw(M2x2.5) EBA1037 6 Spring EBH1554 7 Spring EBH1555 8 Spring EBH1556 9 Spring EBH1603 10 Spring EBH1591 11 Spring EBH1559 12 Spring EBH1593 13 Spring EBH1561 14 Spring EBH1562 15 Spring EBH1563 16 Spring EBH1590 17 Spring EBH1565 18 Spring EBH1566 19 Spring EBH1567 20 Spring EBH1568 21 Spring EBH1569 22 Spring EBH1571 23 Spring EBH1579 24 Head Base ENC1475 25 Lever ENC1429 26 Lever ENC1430 27 Lever ENC1431 28 Lever ENC1432 29 Arm ENC1433 30 Arm ENC1434 31 Arm ENC1480 32 Arm ENC1476 33 Bracket ENC1512 34 Lever ENC1523 35 Arm ENC1524 36 Frame ENC1440 37 Holder ENC1441 38 Lever ENC1446 39 Lever ENC1478 40 Belt ENT1027 41 Gear ENV1504 42 Gear ENV1470 43 Gear ENV1517 44 Lever ENV1472 45 Gear ENV1510 46 Gear ENV1475 47 Gear ENV1512 48 Gear ENV1513 49 Gear ENV1502 50 Lever ENV1480 51 Lever ENV1487 52 Pinch Holder Unit EXA1516 53 Arm ENV1519 * 54 PCB ENP1161 55 Switch(EJECT)(S4) ESG1006 56 Switch(FWD/REV)(S3) ESH1006 57 Switch(LOAD)(S1) ESN1016 58 Switch(MUTE)(S2) ESN1017 59 Head Assy(HD1) EXA1466 60 Motor Unit(M1) EXA1467 61 Flywheel Unit EXA1547 62 ••••• 63 Arm Unit EXA1447 64 Arm Unit EXA1448 65 Arm Unit EXA1550 66 Reel Unit EXA1450 67 Pinch Holder ENV1466 68 Pinch Roller ENV1518 69 Pinch Holder ENV1467 70 Pinch Holder Unit EXA1515 71 Chassis Unit EXA1498 72 Arm ENV1524 73 Washer CBF-167 74 Resistor(R1) RD1/4HM472J 75-78 ••••• 79 Cover ENC1452 80 ••••• 81 Spring EBH1592 82 Washer CBF1051 Mark No. Description Part No. Mark No. Description Part No. - CASSETTE MECHANISM ASSY SECTION PARTS LIST 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 KEH-1900R,1930R A B D C 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM - KEH-1900R/X1M/EW 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 KEH-1900R,1930R A 1 2 3 4 B C D 1 2 3 4 A-a A-b A-a A-b A-b A-a Large size SCH diagram Guide page Detailed page CASSETTE PCB FM/AM TUNER UNIT TAPE:-24dBs A B D D 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. 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 TUNER AMP UNIT KEYBOARD UNIT GND RL + RR + FR + FL + RL - FL - FR - RR - ANT UP BACK ACC IL901~904: CEL1547(KEH-1900R/X1M/EW) : CEL1479(KEH-1930R/X1M/EW) B PGM TAPE:-25dBs TAPE:-25dBs FM:+9dBs MW/LW:-1dBs TAPE:+22dBs 11 KEH-1900R,1930R 5 6 7 8 A B C D 5 6 7 8 A A-b A C 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 12 KEH-1900R,1930R A 1 2 3 4 B C D 1 2 3 4 FM/AM TUNER UNIT T A-a A-a A-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 13 KEH-1900R,1930R 5 6 7 8 A B C D 5 6 7 8 CASSETTE PCB TAPE:-24dBs A-a A-a A-b D 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 14 KEH-1900R,1930R A 1 2 3 4 B C D 1 2 3 4 TUNER AMP UNIT GND RL + RR + FR + FL + RL - FL - FR - RR - ANT UP BACK ACC TAPE:-25dBs TAPE:-25dBs FM:+9dBs MW/LW:-1dBs TAPE:+22dBs A-a A-b A-b 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 15 KEH-1900R,1930R 5 6 7 8 A B C D 5 6 7 8 KEYBOARD UNIT IL901~904: CEL1547(KEH-1900R/X1M/EW) : CEL1479(KEH-1930R/X1M/EW) B PGM A-b A-a A-b C 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 16 KEH-1900R,1930R A 1 2 3 4 B C D 1 2 3 4 3.3 FM/AM TUNER UNIT B 3 1 2 FM/AM TUNE 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 17 KEH-1900R,1930R 5 6 7 8 A B C D 5 6 7 8B TUNER UNIT 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 18 KEH-1900R,1930R A 1 2 3 4 B C D 1 2 3 4 A CN901 TUNER AMP UNIT 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic diagram. 2. Viewpoint of PCB diagrams Capacitor Connector P.C.Board Chip Part SIDE A SIDE B A C CORD 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 19 KEH-1900R,1930R 5 6 7 8 A B C D 5 6 7 8 D A 2 1 3 IP-BUS CN1 B SIDE 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 20 KEH-1900R,1930R A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT 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 21 KEH-1900R,1930R 5 6 7 8 A B C D 5 6 7 8A SIDE 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 22 KEH-1900R,1930R A 1 2 3 4 B C D 1 2 3 4 4.2 FM/AM TUNER UNIT B SIDE A B A FM/AM TUNER UNIT 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 23 KEH-1900R,1930R 1 2 3 4 A B C D 1 2 3 4 B SIDE B B FM/AM TUNER UNIT 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 KEH-1900R,1930R A 1 2 3 4 B C D 1 2 3 4 SOURCE PGM VOL+ VOL- D 1 2 3 4 5 6 B A F TA/AF PTY 4.3 KEYBOARD UNIT C C KEYBOARD UNIT 24 CN603 A SIDE B SIDE A C KEYBOARD UNIT 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 25 KEH-1900R,1930R 1 2 3 4 A B C D 1 2 3 4D D CASSETTE PCB 4.4 CASSETTE MECHANISM PCB 1 3 5 7 9 2 4 6 8 10 CN1 S3 FWD/REV SW S4 EJECT SW R1 S2 MUTE SW D1 S1 LOAD SW M M1 MOTOR RR FR FL RL FWD/REV PB HEAD HD1 CN604 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 D 613 Diode HZS7L(C3) D 614 Diode HZS7L(A1) D 615 Diode 1SS270 D 616 Diode 1SS270 D 701 Diode 1SS270 D 801 Diode 1SR139-400 D 802 Diode 1SR139-400 D 803 Diode 1SR139-400 D 804 Diode MA8056(H) D 805 Diode MA8091(M) D 806 Diode 1SR139-400 D 807 Diode 1SR139-400 L 301 Ferri-Inductor LAU101K L 302 Ferri-Inductor LAU2R2K L 601 Ferri-Inductor LAU101K L 602 Ferri-Inductor LAU101K L 603 Ferri-Inductor LAU101K L 701 Ferri-Inductor LAU101K L 951 Choke Coil 600mH CTH1168 X 301 Crystal Resonator 7.200MHz CSS1379 X 601 Ceramic Resonator 4.194MHz CSS1047 X 701 Crystal Resonator 4.332MHz CSS1056 VR 701 Semi-fixed 22kΩ(B) CCP1321 FU 801 Fuse 2A CEK1176 FM/AM Tuner Unit CWE1466 RESISTORS R 201 RS1/10S273J R 202 RS1/10S273J R 203 RS1/10S104J R 204 RS1/10S104J R 205 RS1/10S472J R 206 RS1/10S472J R 207 RS1/10S470J R 208 RS1/10S470J R 209 RS1/10S273J R 210 RS1/10S273J R 301 RS1/10S272J R 302 RS1/10S272J R 305 RS1/10S0R0J R 306 RD1/4PU222J R 307 RS1/8S222J R 308 RS1/8S222J R 309 RS1/10S102J R 310 RS1/10S0R0J R 311 RS1/8S272J R 312 RD1/4PU222J R 314 RS1/8S392J R 315 RS1/10S392J R 316 RS1/10S152J R 317 RS1/10S103J R 318 RS1/10S0R0J R 319 RS1/10S472J R 320 RS1/10S682J R 321 RS1/10S222J R 322 RS1/10S472J R 323 RS1/10S682J 26 KEH-1900R,1930R 5. ELECTRICAL PARTS LIST NOTE: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS.....) CKS....., CCS....., CSZS..... Unit Number : CWM6350 Unit Name : Tuner Amp Unit MISCELLANEOUS IC 201 IC LA3161P IC 301 IC PM2007A IC 401 IC SN761029DL IC 501 IC TDA7384 IC 601 IC PE5016A IC 602 IC S-80734AN IC 701 IC PM4006B IC 702 IC NJM2903M IC 801 IC TPD1018F Q 301 Transistor 2SC1740S Q 501 Transistor DTC124ES Q 502 Transistor DTC124ES Q 601 Transistor DTC143TS Q 602 Transistor DTC124ES Q 603 Transistor 2SC1740S Q 608 Transistor DTA124ES Q 609 Transistor DTC143TS Q 610 Transistor DTC143TS Q 611 Transistor 2SC1740S Q 612 Transistor 2SC2412K Q 613 Transistor 2SC2412K Q 701 Transistor DTC143TS Q 702 Transistor 2SC1740S Q 703 Transistor 2SD1468S Q 704 Transistor 2SD1468S Q 801 Transistor 2SD2037 Q 802 Transistor 2SB1243 Q 803 Transistor 2SC2412K Q 804 Transistor 2SD2396 Q 805 Transistor 2SA1048 Q 806 Transistor 2SC2412K Q 807 Transistor 2SA1674 Q 808 Transistor 2SC2412K Q 809 Transistor 2SA933S Q 810 Transistor 2SB1242 Q 811 Transistor DTC143TK D 201 Diode 1SS270 D 302 Diode 1SS270 D 601 Diode 1SS270 D 602 Diode HZS7L(A1) D 603 Diode 1SS270 D 604 Diode 1SS270 D 605 Diode 1SS270 D 606 Diode 1SS270 D 607 Diode 1SS270 D 608 Diode 1SS270 D 609 Diode 1SS270 D 610 Diode 1SS270 D 611 Diode 1SS270 D 612 Diode HZS9L(A2) =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- 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 27 KEH-1900R,1930R R 324 RD1/4PU102J R 326 RD1/4PU0R0J R 328 RS1/10S561J R 332 RS1/10S103J R 333 RS1/8S393J R 334 RD1/4PU562J R 335 RD1/4PU472J R 336 RD1/4PU473J R 337 RS1/10S473J R 338 RD1/4PU104J R 339 RS1/10S473J R 340 RS1/10S473J R 341 RS1/10S681J R 342 RS1/10S681J R 343 RD1/4PU681J R 344 RD1/4PU681J R 345 RD1/4PU222J R 346 RS1/8S472J R 349 RD1/4PU102J R 350 RS1/10S510J R 351 RS1/10S0R0J R 352 RS1/10S0R0J R 353 RS1/10S0R0J R 354 RD1/4PU102J R 355 RS1/8S0R0J R 403 RS1/10S272J R 404 RS1/10S272J R 405 RS1/10S151J R 406 RS1/10S151J R 407 RS1/10S221J R 408 RS1/10S221J R 501 RD1/4PU103J R 502 RS1/10S153J R 503 RS1/10S221J R 504 RS1/10S101J R 505 RS1/8S103J R 601 RS1/10S104J R 602 RS1/8S104J R 604 RS1/10S473J R 610 RD1/4PU473J R 612 RS1/8S473J R 613 RS1/10S473J R 614 RS1/10S473J R 615 RS1/10S222J R 616 RS1/10S222J R 617 RS1/10S222J R 618 RD1/4PU103J R 619 RS1/8S473J R 620 RS1/10S473J R 621 RD1/4PU104J R 622 RS1/10S473J R 623 RD1/4PU473J R 624 RS1/10S332J R 625 RS1/10S102J R 630 RD1/4PU152J R 631 RS1/10S102J R 632 RS1/10S124J R 652 RS1/10S104J R 653 RS1/10S104J R 655 RS1/10S223J R 656 RS1/10S103J R 657 RD1/4PU472J R 658 RS1/10S473J R 659 RS1/10S223J R 660 RD1/4PU473J R 661 RS1/10S473J R 662 RD1/4PU223J R 663 RD1/4PU473J R 664 RS1/10S222J R 673 RS1/10S0R0J R 701 RD1/4PU102J R 702 RD1/4PU102J R 703 RS1/8S102J R 704 RD1/4PU102J R 705 RS1/10S102J R 706 RS1/10S0R0J R 707 RS1/10S333J R 708 RS1/10S102J R 709 RS1/10S562J R 710 RS1/10S222J R 711 RS1/10S222J R 712 RS1/10S562J R 713 RS1/10S684J R 714 RS1/8S103J R 715 RS1/10S224J R 716 RS1/10S224J R 717 RS1/10S222J R 718 RS1/10S222J R 719 RS1/10S223J R 720 RS1/10S223J R 721 RS1/10S105J R 722 RS1/10S224J R 723 RS1/10S562J R 724 RS1/10S681J R 725 RD1/4PU681J R 726 RS1/10S681J R 727 RS1/10S102J R 801 RD1/4PU102J R 802 RS1/10S472J R 803 RS1/10S101J R 804 RD1/4PU332J R 805 RS1/10S103J R 806 RD1/4PU102J R 807 RD1/4PU122J R 808 RS1/10S103J R 809 RS1/10S102J R 810 RD1/4PU473J R 812 RS1/10S103J R 813 RS1/10S102J R 814 RS1/10S473J R 816 RS1/10S472J R 817 RS1/10S223J R 818 RS1/10S222J R 819 RS1/10S472J R 820 RD1/4PU102J R 821 RD1/4PU1R5J R 822 RD1/4PU1R5J R 823 RD1/4PU1R0J R 824 RS1/10S103J R 825 RS1/10S103J CAPACITORS C 201 CKSQYB681K50 C 202 CKSQYB681K50 C 203 CEJA2R2M50 C 204 CEJA2R2M50 C 205 CKSQYB333K50 C 206 CKSQYB333K50 C 207 CEJA101M10 C 208 CEJA101M10 C 209 CEJA1R0M50 C 210 CEJA1R0M50 C 211 CEJA101M10 C 301 CKSQYB223K50 C 302 CKSQYB223K50 C 303 CKSQYB223K50 C 307 CKSQYB103K50 =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- =====Circuit Symbol and No.===Part Name Part 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 28 KEH-1900R,1930R C 308 CCSQCH101J50 C 311 CCSQCH101J50 C 313 CKSQYB223K50 C 314 CKSQYB473K50 C 315 CEJA220M6R3 C 316 CKSQYB103K50 C 317 CKSQYB103K50 C 318 CKSQYB102K50 C 319 CEJA220M10 C 320 CCSQCH150J50 C 321 CCSQCH150J50 C 322 CKSQYB103K50 C 324 CEJAR47M50 C 325 4.7µF/16V CCH1250 C 326 CKSQYB103K50 C 328 CKLSR473K16 C 331 CKSQYB104K16 C 332 CEJA220M6R3 C 333 CKSQYB103K50 C 334 CEJA220M6R3 C 335 CKSQYB103K50 C 336 CKSQYB223K50 C 337 CKSQYB103K50 C 340 4.7µF/16V CCH1165 C 341 CKSQYB103K50 C 342 CKSQYB473K50 C 343 CKSQYB102K50 C 401 CEJA2R2M50 C 402 CEJA2R2M50 C 403 CEJA100M16 C 404 CEJA100M16 C 405 CKSQYB822K50 C 406 CKSQYB822K50 C 407 CEJA1R0M50 C 408 CEJA1R0M50 C 409 CKSQYB183K50 C 410 CKSQYB183K50 C 411 CKSQYB104K16 C 412 CKSQYB104K16 C 413 CKSQYB104K16 C 414 CKSQYB104K16 C 415 CEJA100M16 C 416 CEJA2R2M50 C 417 CKSQYB473K50 C 418 CKSQYB104K16 C 419 CEJA470M10 C 420 CEJA2R2M50 C 423 CKSYB105K16 C 424 CKSYB105K16 C 501 CKSYB224K16 C 502 CKSYB224K16 C 503 CKSYB224K16 C 504 CKSYB224K16 C 505 CEJA1R0M50 C 506 CKSYB105K16 C 507 CEJA100M16 C 508 CEJA330M10 C 510 CKSQYB104K16 C 601 CCSQCH101J50 C 602 CEJA4R7M35 C 604 CCSQCH101J50 C 606 CKSQYB104K16 C 607 CKSQYB224K16 C 608 CEJA2R2M50 C 619 CKSQYB102K50 C 620 CCSQCH101J50 C 621 CCSQCH101J50 C 623 CKSQYB102K50 C 701 CEJA4R7M35 C 702 CKSQYB104K16 C 703 CCSQCH220J50 C 704 CCSQCH220J50 C 705 CKSQYB472K50 C 706 CKSQYB104K16 C 707 CKSYB105K16 C 708 CKSQYB104K16 C 709 CKSQYB222K50 C 710 CKSQYB104K16 C 711 CKSQYB104K16 C 712 CKSQYB223K50 C 713 CEJA4R7M35 C 714 CKSQYB103K50 C 715 CKSQYB103K50 C 716 CKSQYB223K50 C 717 CKSQYB471K50 C 801 3300µF/16V CCH1018 C 802 470µF/16V CCH1183 C 803 CKSQYB102K50 C 804 CKSQYB473K50 C 805 CEJA101M10 C 806 CKSQYB103K50 C 807 330µF/10V CCH1181 C 808 CKSQYB103K50 C 809 CKSQYB104K16 C 811 100µF/16V CCH1179 Unit Number : CWM6272 (KEH-1900R/X1M/EW) Unit Name : Keyboard Unit MISCELLANEOUS IC 901 IC PD6293A D 901 Diode STZ6R2N L 901 Ferri-Inductor LAU101K X 901 Ceramic Resonator 4.97MHz CSS1422 IL 901 Lamp 14V 40mA CEL1547 IL 902 Lamp 14V 40mA CEL1547 IL 903 Lamp 14V 40mA CEL1547 IL 904 Lamp 14V 40mA CEL1547 LCD 901 LCD CAW1512 RESISTORS R 901 RS1/10S222J R 902 RS1/10S222J R 903 RS1/10S472J R 906 RS1/10S473J R 907 RS1/10S473J R 908 RS1/10S473J R 909 RS1/10S473J R 910 RS1/10S473J R 911 RS1/10S473J R 912 RS1/10S473J R 914 RS1/10S0R0J R 916 RS1/10S0R0J CAPACITORS C 901 CEAL100M16 C 904 CKSQYB104K16 C 905 CKSQYB102K50 C 906 CCSCH101J50 =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- =====Circuit Symbol and No.===Part Name Part 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 29 KEH-1900R,1930R =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- Unit Number : CWM6274 (KEH-1930R/X1M/EW) Unit Name : Keyboard Unit MISCELLANEOUS IC 901 IC PD6293A D 901 Diode STZ6R2N L 901 Ferri-Inductor LAU101K X 901 Ceramic Resonator 4.97MHz CSS1422 IL 901 Lamp 14V 40mA CEL1479 IL 902 Lamp 14V 40mA CEL1479 IL 903 Lamp 14V 40mA CEL1479 IL 904 Lamp 14V 40mA CEL1479 LCD 901 LCD CAW1512 RESISTORS R 901 RS1/10S222J R 902 RS1/10S222J R 903 RS1/10S472J R 906 RS1/10S473J R 907 RS1/10S473J R 908 RS1/10S473J R 909 RS1/10S473J R 910 RS1/10S473J R 911 RS1/10S473J R 912 RS1/10S473J R 914 RS1/10S0R0J R 916 RS1/10S0R0J CAPACITORS C 901 CEAL100M16 C 904 CKSQYB104K16 C 905 CKSQYB102K50 C 906 CCSCH101J50 Unit Number : CWE1466 Unit Name : FM/AM Tuner Unit MISCELLANEOUS IC 1 IC PA4023B IC 2 IC PA4024A Q 1 Transistor 2SC2412K Q 2 Transistor DTC124EU Q 3 FET 3SK263 Q 31 Transistor 2SC2412K Q 154 Transistor DTC124EU Q 165 Transistor 2SC2412K Q 201 FET 2SK932 Q 202 Transistor 2SC2412K Q 203 Transistor DTC124EU D 4 Diode 1SV250 D 5 Diode KV1410-F1 D 7 Diode KV1410-F1 D 8 Diode KV1410-F1 D 201 Diode MA157 D 202 Diode MA157 D 231 Diode SVC253 L 2 Coil CTC1133 L 3 Inductor LCTB2R2K2125 L 4 Coil CTC1133 L 5 Coil CTC1132 L 6 Inductor LCTBR15K1608 L 51 Ferri-Inductor LAU150K L 201 Ferri-Inductor LAU4R7K L 202 Ferri-Inductor LAU330K L 203 Inductor CTF1287 L 208 Inductor LAU121K L 231 Inductor LCTA3R3J3225 T 31 Coil CTE1116 T 51 Coil CTC1136 TC 1 Trimmer CCL1046 CF 51 Ceramic Filter CTF1442 CF 52 Ceramic Filter CTF1442 CF 53 Ceramic Filter CTF1442 CF 232 Ceramic Filter CTF1348 X 151 Radiator 918.5Hz CSS1365 X 231 Crystal Resonator 10.26MHz CSS1111 VR 154 Semi-fixed 150kΩ(B) CCP1213 AR 1 Capacitor with Discharge Gap DSP-201M RESISTORS R 1 RS1/16S0R0J R 4 RS1/16S154J R 5 RS1/16S391J R 6 RS1/16S223J R 7 RS1/16S123J R 8 RS1/16S332J R 9 RS1/16S473J R 10 RS1/16S223J R 11 RS1/16S124J R 13 RS1/16S563J R 15 RS1/16S271J R 16 RS1/16S104J R 17 RS1/16S332J R 18 RS1/16S332J R 31 RS1/16S470J R 32 RS1/16S822J R 33 RS1/16S822J R 34 RS1/16S331J R 35 RS1/16S331J R 51 RS1/16S271J R 52 RS1/16S560J R 55 RS1/16S102J R 56 RS1/16S823J R 61 RS1/16S392J R 62 RS1/16S393J R 101 RS1/16S272J R 102 RS1/16S682J R 103 RS1/16S333J R 104 RS1/16S334J R 105 RS1/16S683J R 107 RS1/16S222J R 151 RS1/16S222J R 152 RS1/16S393J R 154 RS1/16S104J R 155 RS1/16S273J R 156 RS1/16S243J R 157 RS1/16S203J R 160 RS1/16S222J R 161 RS1/16S563J R 162 RS1/16S105J R 163 RS1/16S222J R 202 RS1/16S223J R 203 RS1/16S225J R 204 RS1/16S103J R 206 RS1/16S220J R 207 RS1/16S101J R 208 RS1/16S102J R 209 RS1/16S471J R 214 RS1/16S822J R 215 RS1/16S822J R 217 RS1/16S102J R 231 RS1/16S272J R 232 RS1/16S473J R 237 RS1/16S103J R 238 RS1/16S104J C 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 30 KEH-1900R,1930R R 239 RS1/16S104J R 240 RS1/16S332J R 241 RS1/16S202J R 243 RS1/16S123J R 244 RS1/16S103J R 247 RS1/16S123J CAPACITORS C 1 CCSQCH6R0D50 C 2 CCSRCK2R0C50 C 4 CCSRCH820J50 C 6 CCSRCH820J50 C 8 CKSRYB103K25 C 9 CKSQYB104K16 C 10 CCSRCKR50C50 C 11 CEJA1R0M50 C 13 CKSRYB222K50 C 14 CCSRCH220J50 C 16 CCSRCH8R0D50 C 17 CKSRYB222K50 C 18 CKSRYB103K25 C 19 CKSRYB222K50 C 20 CKSRYB222K50 C 21 CEJA100M16 C 22 CCSRTH9R0D50 C 23 CCSRTH120J50 C 24 CCSRCH471J50 C 25 CKSRYB103K25 C 31 CKSRYB103K25 C 32 CKSQYB472K50 C 33 CCSRCH5R0C50 C 34 CKSQYB104K16 C 36 CCSRRH201J50 C 51 CKSRYB223K25 C 52 CKSRYB103K25 C 54 CCSRCH470J50 C 55 CKSQYB223K25 C 56 CKSQYB104K16 C 57 CKSRYB472K50 C 58 CEJA330M10 C 59 CKSRYB103K25 C 61 CCSRCH270J50 C 62 CKSRYB103K25 C 63 CEJAR15M50 C 101 CEJANP100M10 C 102 CKSRYB182K50 C 103 CKSRYB682K25 C 104 CEJA2R2M50 C 105 CKSRYB103K25 C 106 CCSRCH151J50 C 107 CKSRYB103K25 C 151 CKSRYB472K50 C 152 CKSQYB104K16 C 153 CEJA3R3M50 C 154 CKSQYB104K16 C 157 CEJA3R3M50 C 158 CKSYB474K16 C 159 CEJA220M6R3 C 160 CKSQYB104K16 C 161 CKSQYB104K16 C 162 CEJA3R3M50 C 163 CKSRYB102K50 C 170 CCSRCH100D50 C 201 CCSRCH471J50 C 202 CCSRCH100D50 C 203 CKSRYB332K50 C 204 CKSQYB473K16 C 205 CKSQYB473K16 C 206 CKSQYB104K16 C 207 CCSRCH560J50 C 209 CKSQYB104K16 C 211 CCSRCH101J50 C 212 CEJA470M6R3 C 213 CKSRYB103K25 C 216 CCSRCH101J50 C 217 CEJA1R5M50 C 219 CCSRCH471J50 C 220 CKSRYB103K25 C 230 CKSRYB103K25 C 231 CCSRCH330J50 C 232 CCSRCH150J50 C 233 CKSQYB104K16 C 234 CEJA330M10 C 235 CKSRYB332K50 C 236 CKSQYB473K16 C 237 CCSRCH120J50 C 239 CKSRYB472K50 C 240 CEJAR47M50 C 241 CKSQYB104K16 C 242 CEJAR47M50 C 243 CEJAR33M50 C 244 CKSQYB473K16 C 245 CKSRYB123K25 C 246 CKSQYB473K16 C 250 CCSRCH471J50 Unit Number : Unit Name : Cassette PCB S 1 Switch(LOAD) ESN1016 S 2 Switch(MUTE) ESN1017 S 3 Switch(FWD/REV) ESH1006 S 4 Switch(EJECT) ESG1006 R 1 RD1/4HM472J Miscellaneous Parts List M 1 Motor Unit EXA1467 HD 1 Head Assy EXA1466 FU 951 Fuse 10A CEK1136 =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- =====Circuit Symbol and No.===Part Name Part No. --- ------ ------------------------------------------ ------------------------- 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 31 KEH-1900R,1930R FM/AM TUNER UNIT 4Ω 4Ω Lch + Lch - Rch + Rch - BACK UP ACC GND +14.4V GND Antenna Jack mV Meter (1) Oscilloscope DC Regulated Power Supply TUNER AMP UNIT 50Ω(75Ω) FM SSG Stereo Modulator 50Ω(37.5Ω) Antenna Dummy Antenna FM/AM TUNER UNIT (TOP VIEW) T31 T51 C63 T51 Center Meter FM/AM TUNER UNIT (BOTTOM VIEW) Pin1 Pin13 Pin14 Pin 19 Pin26 L2 L4 L5 VR154 TC1 DC V Meter(1) VR701 Q701 EMITTER DC V Meter(2) 6. ADJUSTMENT - 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 32 KEH-1900R,1930R FM ADJUSTMENT Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.) S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.) NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize. FM SSG Displayed Adjustment Adjustment Method No. Frequency(MHz) Level(dBf) Frequency(MHz) Point (Switch Position) TUN Volt 1 ••••• ••••• 108.0 L5 DC V Meter(1) : 6V IF 2 98.1 M 60—100 98.1 T51 Center Meter : 0 ANT Coil 3 98.1 M 5 98.1 L2 mV Meter(1) : Maximum RF Coil 4 98.1 M 5 98.1 L4 mV Meter(1) : Maximum RF 5 129.3 M 60—80 107.9 TC1 mV Meter(1) : Minimum Trimmer 6 RF Coil and RF Trimmer shall be adjusted twice or more IFT 7 98.1 M 5 98.1 T31 mV Meter(1) : Maximum (STEREO MODE) ARC 8 98.1 S 40 98.1 VR154 mV Meter(1) : Separation 5dB (STEREO MODE) RDS SL ADJUSTMENT FM SSG Displayed Adjustment Adjustment Method No. Frequency(MHz) Level(dBf) Frequency(MHz) Point (Switch Position) 1 104.0 S 35 104.0 VR701 DC V Meter(2) : 1.75V+0.05,-0.35 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 33 KEH-1900R,1930R 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC SN761029DL 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 VCC AVcc IN1-R IN1-L IN2-R IN2-L IN3-R IN3-L IN4(+)-R IN4(+)-L IN4(-)-R IN4(-)-L AGND AGND SWout-R SWout-L ZCin-R ZCin-L LOUD-R LOUD-L VRin-R VRin-L TREB-R TREB-L BASS-C1-R BASS-C1-L BASS-R-R BASS-R-L BASS-C2-R BASS-C2-L NC NC TONEout-R TONEout-L FADERin-R FADERin-L FRNTout-R FRNTout-L REARout-R REARout-L DVcc VREFin DATA AGND CLK DGND STB Ct 3 Line Serial Bus Bass Treble Volume, Loudness Fader Gain Adjust Isolator Zero-cross Detector Power Supply Bass Treble Volume, Loudness Fader Gain Adjust Isolator Power Supply 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 34 KEH-1900R,1930R - Pin Functions(PE5016A) Pin No. Pin Name I/O Format Function and Operation 1 RDT I RDS data input 2 NC Not used 3 ADPW A/D converter power 4 GND GND 5 DRST O C RDS decoder reset output 6 MDSENS I Modulation detect input 7 AVREF1 (Connect to VDD) 8 KYDT I Key data input 9 DPDT O C Display data output 10 dsens I Grille detach sense input 11 TUNPDI I PLL IC data input 12 TUNPDO O C PLL IC data output 13 TUNPCK O C PLL IC clock output 14 TUNPCE O C PLL IC chip enable output 15 currq O Tuner voltage FIX output 16 NC Not used 17 SK I SK signal input 18 MUTCNT I NF mute control input 19-21 NC Not used 22 swvdd O C Grille power supply control output 23 NC Not used 24 VDT O C Data output for electronic volume 25 VCK O C Clock output for electronic volume 26 VST O C Strobe pulse output for electronic volume 27 SYSPW O C System power supply control output 28 mute O C System mute output 29 DMINH O C Mechanism mute cancel output 30,31 NC Not used 32 eW/BEW I Model select input 33 GND GND 34–36 NC Not used 37 tmute O Tuner mute output 38 FM O C FM power control output 39 AM O C AM power control output 40–44 NC Not used 45 PEE O C Beep tone output 46 NC Not used 47 RDS57K I 57kHzBP-OUT sense input 48,49 NC Not used 50 eject I Eject key input 51 tapld I Tape loading input 52 MECPW O C Cassette mechanism power output 53 mcmut I Mechanism mute input 54 NOR/rev I Normal reverse input 55-59 NC Not used 60 reset I Reset input 61 ldet I PLL lock sense input 62 rck I RDS clock input 63 CLKIN I Clock input 64 asens I ACC power sense input 65 bsens I Back up power sense input 66 SD I SD input 67 st I FM stereo input 68 VDD Power supply 69 X2 Oscillator output 70 X1 Oscillator input 71 GND GND 72 NC Not used 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 35 KEH-1900R,1930R - Pin Functions (PD6293A) Pin No. Pin Name I/O Function and Operation 1–5 SEG4-0 O LCD segment output 4-0 6–8 COM1-3 O Common driver output 1-3 9 COM0 O Common driver output 0 10 LCDB LCD bias power supply 11–14 KS3-0 O Key strobe output 3-0 15,16 KDT0,1 I Key data input 0,1 17 REM I Remote control reception 18 DPDT I Display data input 19 NC Not used 20 KYDT O Key data output 21 MODA GND 22 X0 Crystal oscillator connection pin 23 X1 Crystal oscillator connection pin 24 VSS GND 25,26 KDT2,3 I Key data input 2,3 27,28 KST5,4 O Key strobe output 5,4 29–55 SEG39-13 O LCD segment output 39-13 56 VCC 5V 57–64 SEG12-5 O LCD segment output 12-5 IC's marked by* are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. 80 1 20 21 40 41 60 61 *PE5016A Format Meaning C C MOS *PD6293A 64 1 16 17 32 33 48 49 Pin No. Pin Name I/O Format Function and Operation 73 TESTIN I Test program mode input 74 AVDD A/D converter analog power supply (VDD) 75 AVREF0 (A/D converter standard voltage input) 76 SL I Signal level input 77 CL I Composite level input 78 NL I Noise level input 79 TL I Trigger level input 80 rdslk I RDS LK signal input 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 36 KEH-1900R,1930R 7.1.2 DISPLAY - CAW1512 SEGMENT COMMON 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 KEH-1900R,1930R 7.2 DISASSEMBLY - Remove the Tuner Amp Unit(Fig.2) Remove the two screws. Remove the three screws. Remove the screw. Unbend the tabs at four locations indicated by arrow until straight. Remove the Tuner Amp Unit. - Remove the Case(not shown) 1.Remove the three screws. 2.Remove the Case. - Remove the Cassette Mechanism Assy (not shown) 1.Remove the four screws. 2.Disconnect the connector, and then remove the Cassette Mechanism Assy. - Remove the Panel Unit(Fig.1) Disengage the stopper at two locations indicated by arrow. Remove the Panel Unit. Fig.1 Fig.2 Panel Unit Tuner Amp Unit Cassette Mechanism 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 38 KEH-1900R,1930R 8. OPERATIONS AND SPECIFICATIONS 1.This Unit 3.Antenna jack 2.Rear output 4.Multi-CD player (sold separarely) 5.Connect leads of the same color to each other. 7.Cap 8.Orange To terminal always supplied with power regardless of ignition switch position. 9.Orange Back-up (or accessory) 10.Red To electric terminal controlled by ignition switch (12 V DC) ON/OFF. 11.Red Accessory (or Back-up) 10 11 Note: Depending on the kind of vehicle, the function of 9 and 11 may be different. If this is the case, be sure to connect 8 to 11 and 9 to 10. 6. 13.Fuse holder 14.ISO connector Note: In some vehicles, the ISO connector may be divided into two. If this is the case, be sure to connect to both connectors. 16.Connecting cords with RCA pin plugs (sold sepaeately) 15.Speaker leads Green: Front left  Green/black: Front left y Gray: Front right  Gray/black: Front right y Green/red: Rear left  Black/green: Rear left y Gray/red: Rear right  Black/gray: Rear right y 17.Blue 17.Blue 18.To system control terminal of the power amp or Auto- antenna relay control termi- nal. (Max. 300 mA 12 V DC) 19.Power amp (sold separarely) 20.Left speaker 21.Right speaker 22.Rear 22.Rear 23.Use this for connections when you have the sepa- rately available amplifier. 12.Black To vehicle (metal) body. > CAUTION • Cords for this product and those for other products may be different colors even if they have the same function. When connecting this product to another product, refer to the supplied Installation manuals of both products and connect cords that have the same function. 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 KEH-1900R,1930R Tuner Operation Basic Operation of Tuner 1. Select Tuner. The program service name or frequency appears on the display. (“” indicator lights when a stereo station is selected.) 2. Select the desired band. 3. Tune the receiver to a higher or lower frequency. This product’s tuner lets you select the tuning by changing the length of the time you press the button. Manual Tuning (step by step) 0.3 seconds or less Seek Tuning 0.3 – 2 seconds Manual Tuning (continuously) 2 seconds or more Note: • To select a weak broadcasting station that cannot be tuned in with the Seek Tuning function, tune in with Manual Tuning. FI = FII = MW/LW Each press changes the Source ... 4. Raise or lower the volume. 5. Turn the source OFF. AF Function Switching This product’s AF function can be switched ON and OFF. AF should be switched OFF for normal tuning operations. • Switch AF OFF. To switch AF ON, repeat the preceding operation. Note: • You can also switch the AF Function ON/OFF in the Function Menu. “AF” disappears Hold for 2 seconds Hold for 1 second 8.1 OPERATIONS 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 KEH-1900R,1930R Using the Cassette Player Basic Operation of Cassette Player 1. Insert the cassette tape. 2. Switch tape playback from side A to side B, or vice versa. 3. Raise or lower the volume. 4. Remove the cassette tape. Note: • The Tape function can be turned ON/OFF with the cassette tape remaining in this product. Same Time Key Finder Cassette door Eject button TA/AF button PTY button Function button SOURCE button +/– buttons AUDIO button BAND button Buttons 1–6 DISP/Clock button Detach button Programmable button 5/∞/2/3 buttons !/⁄ buttons 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 KEH-1900R,1930R Specifications General Power source .......... 14.4 V DC (10.8 – 15.1 V allowable) Grounding system ........................................ Negative type Max. current consumption ........................................ 8.5 A Dimensions (mounting size) ...... 178 (W) × 50 (H) × 150 (D) mm (front face) .............. 188 (W) × 58 (H) × 19 (D) mm Wieght ...................................................................... 1.2 kg Amplifier Maximum power output ...................................... 40 W × 4 Continuous power output .................................... 22 W × 4 (DIN45324, +B = 14.4 V) Load impedance .......................... 4 Ω (4 – 8 Ω allowable) Tone controls (Bass) .............................................. ±12 dB (100 Hz) (Treble) ............................................ ±12 dB (10 kHz) Loudness contour ........ +10 dB (100 Hz), +7 dB (10 kHz) (volume: –30 dB) Cassette player Tape ........................ Compact cassette tape (C-30 – C-90) Tape speed ...... 4.76 cm/sec.(+0.14 cm/sec.,-0.05 cm/sec.) Fast forward/rewinding time ...... Approx. 90 sec. for C-60 Wow & flutter .......................................... 0.13% (WRMS) Frequency response .................... 40 – 14,000 Hz (±3 dB) Stereo separation ...................................................... 45 dB Signal-to-noise ratio .................... 52 dB (IEC-A network) FM tuner Frequency range ...................................... 87.5 – 108 MHz Usable sensitivity .................. 11 dBf (1.0 µV/75 Ω, mono, S/N: 30 dB) 50 dB quieting sensitivity .... 16 dBf (1.7 µV/75 Ω, mono) Signal-to-noise ratio ...................... 70 dB (IEC-A network) Distortion .......................... 0.3% (at 65 dBf, 1 kHz, stereo) Frequency response ...................... 30 – 15,000 Hz (±3 dB) Stereo separation .......................... 40 dB (at 65 dBf, 1 kHz) MW tuner Frequency range ...................................... 531 – 1,602 kHz Usable sensitivity .............................. 18 µV (S/N: 20 dB) Selectivity .................................................. 50 dB (±9 kHz) LW tuner Frequency range ........................................ 153 – 281 kHz Usable sensitivity .............................. 30 µV (S/N: 20 dB) Selectivity .................................................. 50 dB (±9 kHz) Note: • Specifications and the design are subject to possible modification without notice due to improvements. 8.2 SPECIFICATIONS 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