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Kenwood KDC-C469 Service Manual

Cd auto changer
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CD AUTO CHANGER
KDC-C469/Y/FM/FMA
QQ
3 7 63 1515 0
KDC-C669/Y
SERVICE MANUAL
The MECHANISM OPERATION is the same as model KDC-C660.
Please refer to the service manual of model KDC-C660 (B51-7105-00).
When transporting these models, always attach CAUTION CARD and STEPPED SCREW (for transportation).
Illustration is
KDC-C469/Y.
Illustration is
KDC-C669/Y.
TE
L 13942296513
Illustration is
KDC-C469FM/FMA.
CORD WITH PLUG
(E30-4291-05
or E30-4954-15)
TRAY
HOLDER ASSY
(J99-0614-01)
(J19-5149-02)
www
.
BRACKET (L)
BRACKET (R)
(J19-5020-03)
(J19-5021-03)
ANTENNA
ADAPTOR
(T90-0521-05)
: KDC-C469FM/FMA (E)
x
ao
u163
y
i
2 9
8
COMPACT DISC AUTO CHANGER
NEW ANTI VIBRATION MECHANISM
COMPACT
CD-R/RW
DIGITAL AUDIO
COMPACT DISC AUTO CHANGER
Q Q
3
6 7
NEW ANTI VIBRATION MECHANISM
1 3
1 5
COMPACT
CD-R/RW
DIGITAL AUDIO
COMPACT DISC AUTO CHANGER KDC-C469FM
NEW ANTI VIBRATION MECHANISM
COMPACT
CD-R/RW
DIGITAL AUDIO
SCREW SET
MAGICTAPE ASSY
(N99-1645-15)
(W01-0763-08)
: KDC-C469FM/FMA
co
ANTENNA
ADAPTOR
.
(T90-0512-05)
: KDC-C469FM/FMA (E)
9 4
2 8
© 2002-11 PRINTED IN JAPAN
B51-7994-00 ( N ) 3379
Service jig
For initial position setting
REMOTO
CONTROLLER ASSY
(A70-2032-05)
RC-504FM
: KDC-C469FM/FMA (E)
KDC-C469
DISC NAME PRESET
6
DISC
HOLDER ASSY
(B07-2138-08)
: KDC-C469FM/FMA
KDC-C669
0 5
DISC NAME PRESET
8
2 9
9 4
2 8
TEXT
6
DISC
BATTERY (SIZE:AAA)
Not supplied as
service parts
DISPLAY UNIT ASSY
(T95-0247-08)
: KDC-C469FM (K)
1BIT 4D/A CONVERTER
(T95-0244-08)
6
DISC
: KDC-C469FM (E)
(T95-0251-08)
: KDC-C469FMA (E)
CASE
(A01-2819-08)
: KDC-C469FM (K)
(A01-2824-08)
: KDC-C469FM/FMA (E)
m
9 9
Parts No.
W05-0635-00
9 9
REP
RDM
COMPACT
DIGITAL AUDIO
TRACK
DISC
PWR

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  Summary of Contents for Kenwood KDC-C469

  • Page 1 CD AUTO CHANGER KDC-C469/Y/FM/FMA 3 7 63 1515 0 KDC-C669/Y SERVICE MANUAL © 2002-11 PRINTED IN JAPAN B51-7994-00 ( N ) 3379 Service jig Parts No. The MECHANISM OPERATION is the same as model KDC-C660. Please refer to the service manual of model KDC-C660 (B51-7105-00).
  • Page 2 3 7 6 3 1 5 1 5 0 L 1 3 9 4 2 2 9 6 5 1 3 u 1 6 3...
  • Page 3: Block Diagram

    KDC-C469/Y/FM/FMA KDC-C669/Y BLOCK DIAGRAM 3 7 63 1515 0 LCD1 KEY MATRIX 2,50-56 6-43 LCD DRIVER 19-22,32,66 REMOTE SENSER CN101 CN101 CN103 Q1,6 19-22,32,66 HOLD Q4,5 DETECTION u-COM RESET DRIVER BATT 29,30,60 (+5V) P ON 74,77 L 13942296513 12-17 CH-CONTROL...
  • Page 4: Component Description

    KDC-C469/Y/FM/FMA KDC-C669/Y COMPONENT DESCRIPTION 3 7 63 1515 0 ● CD PLAYER UNIT (X32-5470-0x) Ref. No. Component Name Application/Function Operation/Condition/Compatibility RF amplifier built in digital servo and data processor IC. Focusing, tracking, sled and spindle servo processing. Detection of dropout, anti-shock, track crossing and off-track conditions.
  • Page 5 KDC-C469/Y/FM/FMA KDC-C669/Y COMPONENT DESCRIPTION 3 7 63 1515 0 Ref. No. Component Name Application/Function Operation/Condition/Compatibility When an eccentric disc is detected, Q30 is turned on, and a preceding beam is DTC114YUA Eccentric disc SW made to be delayed. While spindle servo or disc loading/eject mode is selected, a base goes “Hi”, and...
  • Page 6: Microcomputer's Terminal Description

    KDC-C469/Y/FM/FMA KDC-C669/Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 ● Mechanism Microcomputer : UPD784214GC098 (X32- : IC7) Pin No. Pin Name Description Processing Operation NOR/RW CD-DA/CD-RW Switching Not used (N.C.) TSTB CD-TEXT parameter strobe P-CON P-CON output Not used (N.C.) Focus OK input “Hi”...
  • Page 7 KDC-C469/Y/FM/FMA KDC-C669/Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation Text data input from servo IC Text data output to servo IC TSCK Text data clock to servo IC 48~55 A0~A7 Address setting terminal for S RAM...
  • Page 8 KDC-C469/Y/FM/FMA KDC-C669/Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation PF3 MUTE0 Not used (N.C.) PF2 REQC Communication request input form CH “Lo” : Communication requested PF1 REQH Communication request output to CH “Lo”...
  • Page 9 KDC-C469/Y/FM/FMA KDC-C669/Y ADJUSTMENT 3 7 63 1515 0 ● RF MODULATOR UNIT ● L.P.S. initial position adjustment procedure 1. DC balance adjustment (VR301) 1. Connect the changer to the HEAD UNIT (H/U). While observing the waveform with an oscilloscope at pin 2.
  • Page 10: Pc Board (Component Side View)

    PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 X32-5470-0x (J74-1527-01) SGND VREF LOESW LIMSW PCON IOP+ LCH RCH FCLK REQH BU14 Rch Lch IOP- AMUTE CHRST FDTO CHCON R102 R152 SA5V DAGND FDTI COMMSW R139 TSCK /CE1 SAGND /CHCON ADJSEL AVREF...
  • Page 11 3 7 63 1515 0 PC BOARD (FOIL SIDE VIEW) X32-5470-0x (J74-1527-01) R161 R120 C192 R101 R190 R191 R107 C300 R144 R108 C301 R147 C205 R111 R110 C204 C203 C201 L.P.S C200 R143 R125 R141 L 13942296513 CP17 R135 R153 CP15 R154 R114...
  • Page 12 PC BOARD 3 7 63 1515 0 (COMPONENT SIDE VIEW) X13-9840-00 (J74-1100-02) (FOIL SIDE VIEW) X13-9840-00 (J74-1100-02) L 13942296513 (COMPONENT SIDE VIEW) X16-1010-00 (J74-1153-01) BLACK LIMSW u163 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 13 PC BOARD (FOIL SIDE VIEW) 3 7 6 3 1 5 1 5 0 (COMPONENT SIDE VIEW) DISPLAY UNIT RF MODULATOR UNIT RF MODULATOR UNIT Address LED11 LED12 LED13 RESET POEWR LED14 LED15 DISPLAY UNIT Address 1 3 9 4 2 2 9 6 5 1 3 (FOIL SIDE VIEW) DISPLAY UNIT DISPLAY UNIT...
  • Page 14 CD PLAYER UNIT (X32-5470-0X) 3 7 6 3 1 5 1 5 0 72(X92-) MGSW AVREF0 R129 RESET RESET IC NO SW CHRST EJSW 5.0V (X13-9840-00) OUT 1 5.0V ARMSW 14.4V REQH RESET CH CON CHCON BU+14V BU14V CH-CON BU+14V CH MUTE CH-RST A GND...
  • Page 15 X32-5470-00 KDC-C520FM(J) X92-4760-01 X32-5470-01 SD5V SAGND KDC-C719(K,M,E) ELEVATOR X92-4760-00 X32-5470-00 KDC-C719Y(E2) ELV+ KDC-C519FM(K,M) X92-4760-01 X32-5470-01 KDC-C669(K,M,E) X92-4770-00 X32-5470-00 KDC-C669Y(E2) KDC-C469(J,K,E) X92-4770-02 ELV- 2.5V KDC-C469Y(E2) X32-5470-01 9.1K KDC-C469FM(K,E) X92-4770-01 KDC-C469FMA(E) ELVD+ ELVD- 120K 3.2V 3.5V 2.0V 2.0V SIGNAL LINE 5.0V 5.0V GND LINE 3.2V...
  • Page 16 3 7 6 3 1 5 1 5 0 RF MODULATOR UNIT MODEL C103, C108, R308 NAME KDC-C469FM(K) 0.01 1000P 150K X302 4.5MHz KDC-C519FM(K,M) KDC-C469FM(E) KDC-C469FMA(E) 4700P 680P 120K 5.0V KDC-C520FM(J) 5.0V : UPC7805AHF D1,5,14 : DSK10C-ET1 : LC72329-9B24 D2,15 : DSK10C-BT : NJM78L05UA D8,9,12,13,16 : 1SS131...
  • Page 17 3 7 6 3 1 5 1 5 0 2SB1565 DTA124EUA BA1405F DISPLAY UNIT DTA143EUA DTC124EUA DATA IN R5 2.2K R4 100 DATA OUT R3 2.2K RESET R2 2.2K R1 2.2K DTA124EK REMO DTA143EK LCD RESET BR24C02F-W DTA144EK DTB123YK NJM4565MD DTC114YUA DTC124EK 680P...
  • Page 18: Exploded View (Mechanism)

    KDC-C469/Y/FM/FMA KDC-C669/Y EXPLODED VIEW (MECHANISM) 3 7 63 1515 0 φ2x3.5 : N09-4126-05 : N09-4288-05 φ2x2.5(BLK) φ2x5 : N86-2005-46 φ1.7x1.5(BLK) : N09-4189-05 φ2x6 : N09-4154-05 M1.7x3 : N09-4181-05 M1.7x2.2 : N39-1722-46 φ2x3.5 : N09-4349-05 WASHER : N19-2105-14 φ3.8 WASHER φ4...
  • Page 19: Exploded View (Unit)

    KDC-C469/Y/FM/FMA KDC-C669/Y EXPLODED VIEW (UNIT) 3 7 63 1515 0 BLACK M4x17.3 N09-4383-05 φ2x4 N89-2004-46 φ2.6x6 (BLK) N89-2606-45 L 13942296513 SILVER (X13-9840-00) u163 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 20 KDC-C469/Y/FM/FMA KDC-C669/Y EXPLODED VIEW (RF MODULATOR / DISPLAY UNIT) 3 7 63 1515 0 L 13942296513 LCD1 φ3x6 (BLK) N09-4207-08 φ3x8 (BLK) N09-4206-08 u163 φ2x4 (BLK) N79-2040-45 φ2x8 (BLK) N79-2080-45 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 21: Parts List

    CORD WITH PLUG E4E5E6 CK73FB1A225K CHIP C 2.2UF K : KDC-C669 E1 : KDC-C669Y E5 : KDC-C469FM Indicates safety critical components. K1 : KDC-C469 E2 : KDC-C469Y E6 : KDC-C469FMA K2 : KDC-C469FM E3 : KDC-C669 M1: KDC-C669 E4 : KDC-C469...
  • Page 22 J 1/10W R206 RK73GB2A102J CHIP R 1.0K 1/10W K : KDC-C669 E1 : KDC-C669Y E5 : KDC-C469FM Indicates safety critical components. K1 : KDC-C469 E2 : KDC-C469Y E6 : KDC-C469FMA K2 : KDC-C469FM E3 : KDC-C669 M1: KDC-C669 E4 : KDC-C469...
  • Page 23 G02-1378-14 FLAT SPRING A10-4754-04 CHASSIS CALKING ASS’Y K : KDC-C669 E1 : KDC-C669Y E5 : KDC-C469FM Indicates safety critical components. K1 : KDC-C469 E2 : KDC-C469Y E6 : KDC-C469FMA K2 : KDC-C469FM E3 : KDC-C669 M1: KDC-C669 E4 : KDC-C469...
  • Page 24 K2E5E6 C321 CE04NW1H010M ELECTRO 1.0UF 50WV K2E5E6 K : KDC-C669 E1 : KDC-C669Y E5 : KDC-C469FM Indicates safety critical components. K1 : KDC-C469 E2 : KDC-C469Y E6 : KDC-C469FMA K2 : KDC-C469FM E3 : KDC-C669 M1: KDC-C669 E4 : KDC-C469...
  • Page 25 RK73FB2A682J CHIP R 6.8K J 1/10W K2E5E6 K : KDC-C669 E1 : KDC-C669Y E5 : KDC-C469FM Indicates safety critical components. K1 : KDC-C469 E2 : KDC-C469Y E6 : KDC-C469FMA K2 : KDC-C469FM E3 : KDC-C669 M1: KDC-C669 E4 : KDC-C469...
  • Page 26 R7-15 RK73FB2A470J CHIP R J 1/10W K2E5E6 K : KDC-C669 E1 : KDC-C669Y E5 : KDC-C469FM Indicates safety critical components. K1 : KDC-C469 E2 : KDC-C469Y E6 : KDC-C469FMA K2 : KDC-C469FM E3 : KDC-C669 M1: KDC-C669 E4 : KDC-C469...
  • Page 27: Specifications

    KENWOOD ELECTRONICS UK LIMITED P.O. Box 61318, Jebel Ali, Dubai, U.A.E. Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom KENWOOD ELECTRONICS (THAILAND) CO., LTD. KENWOOD ELECTRONICS DEUTSCHLAND GMBH 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.

This manual is also suitable for:

Kdc-c469yKdc-c669Kdc-c669yKdc-c469fmKdc-c469fma