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Kenwood KDC-W6527SEY Service Manual
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Kenwood KDC-W6527SEY Service Manual

Kenwood KDC-W6527SEY Service Manual

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CD RECEIVER
KDC-W6527SE/W6527SEY
/W657/W657Y
SERVICE MANUAL
Panel assy
(A64-3419-12) : KDC-W6527SE/W6527SEY
(A64-3420-02) : KDC-W657/W657Y
Plastic cabinet assy
(A02-2732-03)
Remote controller assy (RC-420)
(A70-2055-05)
Lever
(D10-4589-04)
x2
TDF PANEL INFORMATION
MODEL
KDC-W6527SE/W6527SEY Y33-1990-65
KDC-W657/W657Y
© 2004-7 PRINTED IN JAPAN
B53-0185-00 ( N ) 1813
CD MECHANISM EXTENSION CORD (24P) : W05-0935-00
Escutcheon
(B07-3120-02) : KDC-W6527SE/W6527SEY
(B07-3098-02) : KDC-W657/W657Y
Mounting hardware assy
(J21-9716-03)
Screw
(N09-6212-05)
TDF PANEL No.
TDF NAME
TDF-W6527SE
Y33-1990-66
TDF-W657
DC cord
(E30-6063-15)
Antenna adaptor
(T90-0523-05)

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Summary of Contents for Kenwood KDC-W6527SEY

  • Page 1 CD RECEIVER KDC-W6527SE/W6527SEY /W657/W657Y SERVICE MANUAL © 2004-7 PRINTED IN JAPAN B53-0185-00 ( N ) 1813 CD MECHANISM EXTENSION CORD (24P) : W05-0935-00 Panel assy Escutcheon (A64-3419-12) : KDC-W6527SE/W6527SEY (B07-3120-02) : KDC-W6527SE/W6527SEY (A64-3420-02) : KDC-W657/W657Y (B07-3098-02) : KDC-W657/W657Y DC cord Mounting hardware assy Plastic cabinet assy Lever...
  • Page 3 KDC-W6527SE/W6527SEY KDC-W657/W657Y PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SUB-CIRCUIT UNIT SUB-CIRCUIT UNIT X16-251x-xx (J76-0026-22) X16-251x-xx (J76-0026-22) R904 R905 CP11 CP10 CP12 X16-251x-xx Ref. No. Address D901 FLGND PRST PSDA PREQ DGND IL+B X16-251x-xx Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 4 KDC-W6527SE/W6527SEY KDC-W657/W657Y PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-3012-7x (J76-0025-22/J74-1577-02) PRE OUT FRONT REAR 11 12 8 4 3 2 C521 D515 D510 D516 C522 C520 C507 R522 R528 R504 R521 C515 D503 L301 D504 D500 R529 R527 C511 C404 C408 C517...
  • Page 5 KDC-W6527SE/W6527SEY KDC-W657/W657Y R103 X34-3012-7x Ref. No. Address D516 R130 R133 R132 IC10 IC12 C112 IC13 IC14 C114 IC20 IC21 IC21 R122 R273 R274 P207 IC20 53/W200 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 6 KDC-W6527SE/W6527SEY KDC-W657/W657Y PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-3012-7x (J76-0025-22/J74-1577-02) R139 C117 R125 R127 R115 R123 R453 R118 R120 R445 E BE R270 C422 C421 C120 R136 R201 R262 R207 R264 R260 D201 C205 R258 R211 R206 R212 IC11 R326 R327 R319...
  • Page 7 KDC-W6527SE/W6527SEY KDC-W657/W657Y X34-3012-7x Ref. No. Address IC11 D301 R412 R302 R411 R424 R423 R453 R460 R458 R456 R459 Q402 R467 R455 R442 C431 R437 R220 R222 R443 C432 R406 R405 C414 R219 R221 C437 R415 R403 R312 R440 R313 R473 C465 R307 R308...

  • Page 8: Pc Board (Component Side View)

    KDC-W6527SE/W6527SEY KDC-W657/W657Y PC BOARD (COMPONENT SIDE VIEW) (for KDC-W657/W657Y) CD PLAYER UNIT X32-5500-00 (J74-1552-12) RFOK CP12 CP13 CP15 MIACK X32-5500-00 Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 9 KDC-W6527SE/W6527SEY KDC-W657/W657Y PC BOARD (FOIL SIDE VIEW) (for KDC-W657/W657Y) CD PLAYER UNIT X32-5500-00 (J74-1552-12) Vref FLAG HOLD MIRR LOCK TRK IN TRK OUT FCS DOWN FCS UP C22 C23 D3.3V DAVdd3.3V SDIO BCKIA 12EJE A.+8V LRCKIA /EJECT SLED IN SLED OUT A.GND /LOAD DATA...
  • Page 10 KDC-W6527SE/W6527SEY KDC-W657/W657Y PC BOARD (COMPONENT SIDE VIEW) (for KDC-W6527SE/W6527SEY) CD PLAYER UNIT X32-5560-00 (J74-1599-12) IC14 R138 R135 R128 R123 R147 R146 CP12 R129 CP13 CP15 R143 X32-5560-00 Ref. No. Address IC14 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 11 KDC-W6527SE/W6527SEY KDC-W657/W657Y PC BOARD (FOIL SIDE VIEW) (for KDC-W6527SE/W6527SEY) CD PLAYER UNIT X32-5560-00 (J74-1599-12) C51 C55 CP10 TRK IN R109 R112 R152 R110 R108 R111 TRK OUT R117 FCS DOWN R119 ADCIN FCS UP R130 IC13 IC10 D.OUT EMPH A.GND 12EJE R120 R118...
  • Page 12 KDC-W6527SE/W6527SEY KDC-W657/W657Y ∗ ∗ 1 GND TP110 REMO O CE PRE OUT 4 O CLK O DATA TP111 FRONT REAR/NF (X34-301x-xx) (X34-3222-7x) L301 R504 C501 C509 0.01 0.01 ∗ C507 PRE-OUT MUTE SW 0.01 DRIVER RFGND R420 R421 R408 R409 D403 FMANTIN D301...
  • Page 13 KDC-W6527SE/W6527SEY KDC-W657/W657Y R524 4.3K POWER TP111 R526 D512 C514 R525 6.8V 6.8V R520 0-4.4V 6.8V 6.8V D511 C513 D504 R527 0.01 D505 D500 D506 R522 AC-OUT 7.5K MUTE DRIVER D503 ∗ C210 0.01 ∗ ∗ C211 0.01 CP201 ∗ C212 0.01 L401 4.7uH R201 100K...
  • Page 14 KDC-W6527SE/W6527SEY KDC-W657/W657Y TP601 for ROM CORRECTION ∗ C-OUT TP138 RIVER C208 1000P TP125 C209 SUB-OUT 0.01 MUTE TP126 DRIVER ∗ CP201 R136 100K 3.5V 5.0V BU DET R273 2.2K WOW MODE1 ILL DET 0-5.0V 0V or WOW MODE2 ANT CONT 1.6V or R272 2.2K 5.0V...
  • Page 15 KDC-W6527SE/W6527SEY KDC-W657/W657Y F1 10A FUSE WHT/BLK GRN/BLK WHT/BLK GRN/BLK GRY/BLK VIOL/BLK TP81 GRY/BLK VIOL/BLK VIOL VIOL PNK/BLK P CONT ANT CONT EXT. CONT 3300u16 BLU/WHT PNK/BLK EXT. CONT. ANT CONT BLU/WHT P. CONT LINE MUTE C2 0.01 BLU/WHT TEL MUTE ORG/WHT ILLUMI ORG/WHT...
  • Page 16 KDC-W6527SE/W6527SEY KDC-W657/W657Y (X16-251x-xx)(X16-2272-70) FL GND FL+B SW 3.3V FL BUFFER IC REGULATOR CP9 100 5.0V 3.3V 3.3V NC16 3.3V FL+B NC13 3.3V SW5V REMOTE TP32 CONTROL I 5.0V 4.7uH 4.7K 4.7K (X16-2570-10) (X16-2732-70) TP31 SCSEQ TP30 C1 1 FDC+ FDC+ D GND FL BLK 10.000...
  • Page 17 KDC-W6527SE/W6527SEY KDC-W657/W657Y 2SB1565 DTA114EE DTC143TUA DTA123JK 2SA1163-F DTA144EE 2SA1576A DTC114YE 2SC2713-F DTC124EE 2SC4617 DTC143TE 2.2K 2SA1774 2SB1188 2SC4081 CP14 1K REMOTE CONTROL IC DTA114EUA DTA124EUA DTC124EUA DTC144EUA TP49 TP48 PAUSE >> TP47 DISP UMC2N << DAN202U 5.0V AVCC TP46 ESD GND VREF VREF CONT AVSS...
  • Page 18 KDC-W6527SE/W6527SEY KDC-W657/W657Y (for KDC-W657/W657Y) CD PLAYER UNIT (X32-5500-00/01) LEVEL SHIFT (DA) 0V (3.3V 5.0V) IOP1 IOP2 R34 4.7K (MP3) 0/3.3V C28 10 LEVEL SHIFT (3.3V 5.0V) 16.000MHz R35 100K 3.3V 0.2V 100K RESET 3.3V 3.8/0V 3.3V AVDD1 DGND1 2.4/0V 1000P 3.3V RFOK RFOK...
  • Page 19 KDC-W6527SE/W6527SEY KDC-W657/W657Y Q9,10 M5237ML-CF0J Vref DPU1(X92- ) 1.7Vp-p 270K OPTICAL 6800P PICKUP 0.3Vp-p 1.65V 1.65V RF2- 1.65V 1.0Vp-p FCS+ 1.0Vp-p TRK+ 3.9K TRK- 1.7Vp-p NJM4580V-LF 3.3V FCS- 3300P ADVDD 3.3V 1.65V 0.01 3.0/0.3V 0.01 ADGND 91CW12AFG-5AR1 3.3/0V UPD63712GC TEST0 RF AMP/SERVO TC94A20F-010 TEST1 CD SIGNAL...
  • Page 20 KDC-W6527SE/W6527SEY (for KDC-W6527SE/W6527SEY) KDC-W657/W657Y CD PLAYER UNIT (X32-5560-00/0-01) (X32-5590-00/0-01) LEVEL SHIFT (3.3V 5.0V) (DA) 3.3V (MP3) 0/3.3V D.OUT DAC RST TP32 LEVEL SHIFT 12EJE SW (3.3V 5.0V) 12EJE-SW 16.000MHz TP29 R151 LEVEL SHIFT LOS SW LOS-SW 100K (3.3V 5.0V) RESET 3.3V 3.8/0V DATA...
  • Page 21 KDC-W6527SE/W6527SEY KDC-W657/W657Y Q9,10 TP39 ADCIN Vref DPU1(X92- ) R34 4.7K 1.7Vp-p 270K IOP1 IOP2 OPTICAL 6800P PICKUP C28 10 0.3Vp-p 1.65V R35 100K 3.3V RF2- 1.65V 1.0Vp-p FCS+ 1.0Vp-p 0.2V TRK+ 3.9K TRK- 1.7Vp-p FCS- 3300P ADVDD 3.3V AVDD1 3.3V DGND1 1.65V 0.01...

  • Page 22: Exploded View (Mechanism)

    KDC-W6527SE/W6527SEY KDC-W657/W657Y EXPLODED VIEW (MECHANISM) DPU1 DFPC1 (X32) φ : N09-4460-05 : N09-4472-15 M1.7x8.5 M1.7x2.5 : N09-6004-05 M2x2 : N09-6007-05 φ : N09-6051-05 2x6(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5 φ : N09-6155-05 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 23: Exploded View (Unit)

    KDC-W6527SE/W6527SEY KDC-W657/W657Y EXPLODED VIEW (UNIT) DME1 φ2.6x6(BLK) M2x2 N09-6139-05 N78-2660-45 φ2x6 N80-2006-46 M1.7x2 N09-6140-05 φ2x8(BLK) N80-2008-45 M2x2 N09-6141-05 φ3x5 M2x2.5 N09-6142-05 N83-3005-46 φ1.7x4.5 φ3x8 N09-6190-05 N83-3008-46 φ2x5 φ2x4(BLK) N09-6212-05 N86-2004-45 φ3x10 N80-3010-46 WASHER 1.6x4 N19-2184-04 φ2.6x6 N82-2608-46 WASHER 1.2x3 N19-2193-04 φ3x20 3x15 N24-3015-60...

  • Page 24: Parts List

    LED (2COLOR PG/RED) D13-18 B30-1695-05 LED (1608 BLUE K,L) G11-3564-04 CUSHION B30-1566-05 LED (1608,RED) G11-3573-04 CUSHION G16-1482-14 SHEET C1,2 CK73GB0J105K CHIP C 1.0UF E : KDC-W6527SE E1 : KDC-W6527SEY E2 : KDC-W657 E3 : KDC-W657Y Indicates safety critical components. (E : Europe)
  • Page 25 J 1/8W CK73FB0J106M CHIP C 10UF E2E3 RK73FB2B391J CHIP R J 1/8W RK73FB2B241J CHIP R J 1/8W CK73GB1C104K CHIP C 0.10UF E2E3 E : KDC-W6527SE E1 : KDC-W6527SEY E2 : KDC-W657 E3 : KDC-W657Y Indicates safety critical components. (E : Europe)
  • Page 26 91CW12AFG-5AR1 MICROCONTROLLER IC E2E3 R3,4 RK73FB2B331J CHIP R J 1/8W E2E3 UPD63712GC MOS-IC E2E3 RK73GB2A101J CHIP R J 1/10W E2E3 TC94A20F-010 MOS-IC E2E3 E : KDC-W6527SE E1 : KDC-W6527SEY E2 : KDC-W657 E3 : KDC-W657Y Indicates safety critical components. (E : Europe)
  • Page 27 CHIP R 4.7K J 1/10W EE1 RK73GB2A104J CHIP R 100K J 1/10W EE1 CK73GB0J105K CHIP C 1.0UF RK73FB2B4R7J CHIP R J 1/8W E : KDC-W6527SE E1 : KDC-W6527SEY E2 : KDC-W657 E3 : KDC-W657Y Indicates safety critical components. (E : Europe)
  • Page 28 J 1/10W EE1 C115 CK73GB1H103K CHIP C 0.010UF K R151 RK73GB2A104J CHIP R 100K J 1/10W EE1 C116 CK73GB1E223K CHIP C 0.022UF K E : KDC-W6527SE E1 : KDC-W6527SEY E2 : KDC-W657 E3 : KDC-W657Y Indicates safety critical components. (E : Europe)
  • Page 29 RK73GB2A394J CHIP R 390K J 1/10W C516-519 C90-5620-05 ELECTRO 0.47UF 50WV RK73GB2A473J CHIP R J 1/10W C520 CK73FB1C105K CHIP C 1.0UF E : KDC-W6527SE E1 : KDC-W6527SEY E2 : KDC-W657 E3 : KDC-W657Y Indicates safety critical components. (E : Europe)
  • Page 30 J 1/10W R471,472 RK73FB2B361J CHIP R J 1/8W R240 RK73GB2A473J CHIP R J 1/10W R473,474 RK73GB2A473J CHIP R J 1/10W EE1 E : KDC-W6527SE E1 : KDC-W6527SEY E2 : KDC-W657 E3 : KDC-W657Y Indicates safety critical components. (E : Europe)
  • Page 31 DIGITAL TRANSISTOR E2E3 DTA124EUA DIGITAL TRANSISTOR E2E3 D308,309 DA204K DIODE D310 DA204U DIODE 2SA1576A TRANSISTOR D314 STZ6.8N ZENER DIODE DTC124EUA DIGITAL TRANSISTOR E : KDC-W6527SE E1 : KDC-W6527SEY E2 : KDC-W657 E3 : KDC-W657Y Indicates safety critical components. (E : Europe)
  • Page 32 EXTENSION SPRING G01-3077-14 EXTENSION SPRING G02-1399-04 FLAT SPRING G02-1408-04 FLAT SPRING J21-9676-32 MOUNTING HARDWARE J21-9677-22 MOUNTING HARDWARE J21-9678-13 MOUNTING HARDWARE J90-1001-11 GUIDE E : KDC-W6527SE E1 : KDC-W6527SEY E2 : KDC-W657 E3 : KDC-W657Y Indicates safety critical components. (E : Europe)
  • Page 33 KDC-W6527SE/W6527SEY KDC-W657/W657Y CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc. 5 = Value 101 = 100pF Multiplier 3 = Temp.

  • Page 34: Specifications

    KENWOOD ELECTRONICS GULF FZE 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 956 Udom Vidhya Building (Olympia) Rama IV Road, Silom, Bangrak, Bangkok 10500 Thailand Rembrücker-Str.

This manual is also suitable for:

Kdc-w657Kdc-w6527seKdc-w657y