Kenwood KDC-1023/S Service Manual
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Kenwood KDC-1023/S Service Manual

Kenwood KDC-1023/S Service Manual

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Download this manual See also: Instruction Manual
CD RECEIVER
KDC-1023/S
KDC-122/S
SERVICE MANUAL
CD mechanism operation description is not in this sarvice manual.
Please, refer to sarvice manual X92-4030-0x (B51-7867-00).
Panel assy
(A64-2907-02): KDC-122
(A64-2908-02): KDC-122S
OFF
Panel assy
(A64-2909-02): KDC-1023
(A64-2910-02): KDC-1023S
OFF
DC cord
(E30-4784-05)
Front glass
(B10-4355-01): KDC-122
(B10-4356-01): KDC-122S
KDC-122
COMPACT
DIGITAL AUDIO
LOUD
SCAN
RDM
REP
Front glass
(B10-4357-01): KDC-1023
(B10-4358-01): KDC-1023S
KDC-1023
COMPACT
DIGITAL AUDIO
LOUD
SCAN
RDM
REP
Mounting hardware assy
(J21-9716-03)
© 2002-11 PRINTED IN JAPAN
B53-0005-00 ( N ) 1724
CD mechanism extension cord : W05-0618-00
Escutcheon
(B07-3060-02): KDC-122
(B07-3022-02): KDC-122S
CRSC
CLK
ADJ
AUTO
AME
AUD
Escutcheon
(B07-3001-02): KDC-1023
(B07-3022-02): KDC-1023S
CRSC
CLK
ADJ
AUTO
AME
AUD
Lever
(D10-4589-04)
x2
Screw set
(N99-1719-05)

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Summary of Contents for Kenwood KDC-1023/S

  • Page 1 CD RECEIVER KDC-1023/S KDC-122/S SERVICE MANUAL © 2002-11 PRINTED IN JAPAN B53-0005-00 ( N ) 1724 CD mechanism operation description is not in this sarvice manual. CD mechanism extension cord : W05-0618-00 Please, refer to sarvice manual X92-4030-0x (B51-7867-00). Panel assy...
  • Page 2 FM(J,K) : 1800mV FM+B FM(E) : 1372mV IC10 Q502 Q223,224 AM(J,K) : 600mV CD : 3600mV AM(E) : 855mV CH : 3600mV FM AGC FM AGC OUT MUTE AM+B Q501 AM AGC POWER IC AM AGC OUT TUNER,MPX & MUTE E-VOL.

  • Page 3: Components Description

    KDC-1023/1023S/122/122S COMPONENTS DESCRIPTION SWITCH UNIT (X16-1460-13/2370-11) Ref.No. Application/Functions Operation/Condition/Compatibility LCD driver & key matrix Key scan start When Q1 base goes Lo, key scan start. ELECTRIC UNIT (X25-9600-xx) Ref.No. Application/Functions Operation/Condition/Compatibility System control µ-com System µ-com Power amplifire E-Vol output encoder power amplification for speaker. Power supply (Multi AVR) When a pin 1, 2, or 13 is "H", MUTE turns on MUTE Logic...

  • Page 4: Microcomputer's Terminal Description

    KDC-1023/1023S/122/122S MICROCOMPUTER'S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER uPD780058GC501 (X25 : IC1) Pin No. Name Description Processing Operation TDF DET Panel detection H:Panel detached L:Panel attached H:Eject is completed 8EJE SW Except 8cm CD model:always output L Not used (out put L) Avss H:Panel detached L:RESET L-RST...
  • Page 5 KDC-1023/1023S/122/122S MICROCOMPUTER'S TERMINAL DESCRIPTION Pin No. Name Description Processing Operation B.U-DET Back up detection terminal H:power down L:B.U. on ACC-DET ACC detection terminal H:ACC OFF L:ACC ON Power supply IC SW1 control 0 BA4911 SW1 Power supply IC output PS1-0 Audio 8V,P-CON PS1-2 PS1-1...
  • Page 6 KDC-1023/1023S/122/122S MICROCOMPUTER'S TERMINAL DESCRIPTION MECHANISM MICROCOMPUTER MN6627771KP (X32 : IC2) Pin No. Name Description Processing Operation Traverse driver output (PWM output) Spindle motor drive output (PWM output) Spindle motor ON output L:ON H:OFF (default ) multi-purpose PWM output It's possible to setup the TOSF2 TBAL Tracking balance adjust output (PWM output) FBAL...
  • Page 7 KDC-1023/1023S/122/122S MICROCOMPUTER'S TERMINAL DESCRIPTION Pin No. Name Description Processing Operation Main clock output terminal DVSS2 Ground lines for digital circuit XSUB1 When external DAC,external clock input terminal XSUB2 TEST1 Test port 1 Normal operation is H fixed TEST2 Test port 2 Normal operation is H fixed Not used VER/HOR...

  • Page 8: Ic10 (Tda7513) -The Tuner Adjustment Method

    KDC-1023/1023S/122/122S ADJUSTMENT 1-3. Adjustment of FM_ANT&RF Coil 1. IC10 (TDA7513) -The Tuner adjustment method Voltage Check Point : S_METER-Check Land (PWB • When IC10 and its circumference are fixed, according to the Side_B, around W572) following order, it readjusts if needed. Adjustment Coil : ANT_Coil = L505 •...

  • Page 9: Ic10 (Tda7513) Replacement-Parts Vs Adjustment Item Table

    KDC-1023/1023S/122/122S ADJUSTMENT 2.IC10 (TDA7513) Replacement-Parts vs Adjustment Item Table • When the parts in the following tables are exchanged, please readjust according to a table. • When other parts are exchanged, please perform only a check of operation. There is no necessity for readjustment. Replacement parts Adjustment Item Parts Name...

  • Page 10: Pc Board (Component Side View)

    PC BOARD (COMPONENT SIDE VIEW) X32-5380-00 (J74-1485-12) X32-5380-00 Ref. No address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 11 PC BOARD (FOIL SIDE VIEW) X32-5380-00 (J74-1485-12) B/TE VREF VDET LDON A/TE TRCRS REFNV TRK IN TRK OUT D/ARF NRFDET FCS UP GCTL FCS DOWN VREF2 D.GND BU.5V D.OUT SLED IN 12EJE /EJECT SLED OUT DATA /CLK /LOAD SPDL- 8EJE /MUTER /MRST /MUTEL...
  • Page 12 PC BOARD (FOIL SIDE VIEW) X25-9600-xx Ref. No address Ref. No address Ref. No address Q101 Q223 Q224 IC10 Q251 IC11 Q501 IC12 Q502 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 13 PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) X16-1460-13/2370-11 (J74-1285-32) X16-1460-13/2370-11 (J74-1285-32) DATAS L-CE ILL GND X16-1460-13 /2370-11 Ref. No address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 14 CD PLAYER UNIT (X32-5380-00) DTC114YUA DTC143TUA UN5111 D.GND 2SA1036K C34 0.1 4.80V 2SA1362 C32 0.1 2SA1576A BU+5V 4.80V 2.40V R100 C100 8EJE(SW2) 2200P 2200P 1000P 12EJE/SDET(SW3) 4.7K 4.80V LOE/LIM(SW4) 2SC4081 PCK/NTLOCK/FCLK/STLD 2200P 2200P EFM/NFLOCK/CLDCK/STCK SENSE/RESY/FLAG/STOUT CLVS/VDET/CRC DEMPH/TRCRSO/TEXTCRC 6800P 6800P 4.80V DVDD3 3.0pp CD SIGNAL PROCESS...
  • Page 15 RFENV IOP+ IOP- R7 3.6K 3.3K C45 0.1 C44 1000P 1.25V 2.40V C43 2200P 1.70V IREF PLLF2 0.047 0.95pp PLLF R39 100K 2.50V 0.91pp 0.87pp RFSW 1000P 4.7K 2.45V DSLF AVSS2 4.80V DVSS1 DVDD1 VDET 0-4.8V 220K 0.015 2.50V B/TE DSLB L PROCESSOR 4.80V...
  • Page 16 J4 TOP VIEW ∗ DATA H CHCON D GND REAR REQ C DATA C A GND MUTE REQ H ∗ ∗ (X25-9600-XX) C227 C228 680P 680P D GND R227 R228 Q223 Q224 ∗ MUTE ∗ ∗ MUTE DRIVER D411 ∗ ∗...
  • Page 17 E2P-ROM IC12 ∗ 3.3K Q251 5.0V 1/2W SURGE W158 DETECTOR ∗ D252 R258 0.01 A. C. C DETECTOR 5.0V B. U. DETECTOR MUTE LOGIC ∗ 100K 100K POWER AMPLIFIRE W407 R252 4.7K W408 R253 4.7K L101 4.7uH CF54 ∗ 450kHz C592 0.01 ∗...
  • Page 18 SIGNAL LINE GND LINE FUSE B LINE ∗ ∗ POWER TDA7479AD SUPPLY (MULTI AVR) BA4911-V4 HD74HC27FP IC10 TDA7513 IC11 PST3435UL ∗ IC12 BR24C01AF-W or 14.0V M24C01-WMN6T or P-CON S-24CS02AFJ-TB ∗ Q10,20,70,101,201,503 14.0V 2SC4081 P-ANT DTA124EUA 8.1V FM+B 2SA1036K Q51,53 UMC2N 10u16 MUTE 2SD2375...
  • Page 19 SWITCH UNIT (X16-1460-13/2370-11) (B38-1080/1081/1126-05) : KDC-4023/202MR/2024SA/2024SG/2024SYA/2024SYG/2094YA/2094YG/2022/2022V/2023/3023/RX-491CD/RY-391CD (B38-10 TP35 REMOTE ESD-GND SENSOR TP34 PANEL- ∗ TP24 KEY DETECT R13 47 SW5V TP9 TP8 TP33 ∗ R12 1K REMO TP27 TP11 R2 470 L-DATAS X14- TP28 R4 470 L-CLK TP29 R3 470 L-CE TP30 R5 1K...
  • Page 20 (B38-1079-05) : KDC-1023/1023S/122/122S/222/222S TP19 ∗ IC1 : LC75853NE D1-13,20 GND LINE ∗ : RS-171 D17,18 B LINE ∗ TP16 TP17 TP18 Q1 : DTA114EUA : MA3062WA ∗ TP11 R19, UNIT MODEL NAME D1-13,20 D17,18 B30-1564-05 or B30-1533-05 X16-1460-01 B30-1642-05 B30-1633-05 RX-491CD (J) (GREEN) (BLUE)

  • Page 21: Exploded View (Mechanism)

    KDC-1023/1023S/122/122S EXPLODED VIEW (MECHANISM) DPU1 DFPC1 (X32) φ : N09-4460-05 M1.7x8.5 : N09-4472-05 M1.7x2.5 : N09-6004-05 φ : N09-6006-05 2x3.5 : N09-6007-05 M2x2 φ : N09-6051-05 2x6(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 22: Exploded View (Unit)

    KDC-1023/1023S/122/122S EXPLODED VIEW (UNIT) M3x8 : N30-3008-46 φ 2x6 DME1 : N80-2006-46 φ 2x8 (BLK) : N80-2008-45 φ 3x5 : N83-3005-46 φ 3x10 : N80-3010-46 φ 3x20 : N83-3020-46 φ 2.6x6 : N86-2606-46 (X16-) (X25-) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 23: Parts List

    KDC-1023/1023S/122/122S PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Dest Dest Ref. No. Parts No. Description Ref. No. Parts No.
  • Page 24 KDC-1023/1023S/122/122S PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-9600-xx) Teile ohne Parts No. werden nicht geliefert. Dest Dest Ref. No. Parts No. Description Ref.
  • Page 25 KDC-1023/1023S/122/122S PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-9600-xx) Teile ohne Parts No. werden nicht geliefert. Dest Dest Ref. No. Parts No. Description Ref.
  • Page 26 KDC-1023/1023S/122/122S PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-9600-xx) Teile ohne Parts No. werden nicht geliefert. Dest Dest Ref. No. Parts No. Description Ref.
  • Page 27 KDC-1023/1023S/122/122S PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. CD PLAYER UNIT (X32-5380-00) Teile ohne Parts No. werden nicht geliefert. Dest Dest Ref. No. Parts No.

  • Page 28: Specifications

    157 (mm) 6-3/16 (in) Weight 3.1lbs (1.4kg) 3.1lbs (1.4kg) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo 192-8525, Japan KENWOOD ELECTRONICS ITALIA S.p.A. KENWOOD USA CORPORATION Via G.

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Kdc-122/s

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