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Kenwood KDC-M4524 Service Manual
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Kenwood KDC-M4524 Service Manual

Kenwood KDC-M4524 Service Manual

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See also: Instruction Manual
CD RECEIVER
KDC-M4524/G/Y/GY
SERVICE MANUAL
Plastic cabinet assy
(A02-1486-13)
Mounting hardware assy
(J21-9716-03)
© 2002-12 PRINTED IN JAPAN
B53-0014-00 ( N ) 1874
Panel assy
(A64-2879-02): KDC-M4524 /Y
(A64-2882-02): KDC-M4524G /GY
DC cord
(E30-4790-05)
Lever
(D10-4589-04)
Escutcheon
(B07-3001-02)
Antena adaptor
(T90-0523-05)

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Summary of Contents for Kenwood KDC-M4524

  • Page 1 CD RECEIVER KDC-M4524/G/Y/GY SERVICE MANUAL © 2002-12 PRINTED IN JAPAN B53-0014-00 ( N ) 1874 Panel assy (A64-2879-02): KDC-M4524 /Y (A64-2882-02): KDC-M4524G /GY Escutcheon (B07-3001-02) Plastic cabinet assy DC cord (A02-1486-13) (E30-4790-05) Mounting hardware assy Antena adaptor Lever (J21-9716-03) (T90-0523-05)

  • Page 3: Components Description

    KDC-M4524/G/Y/GY COMPONENTS DESCRIPTION SWITCH UNIT (X16-2052-71/2362-70) Ref. No. Function Operation LCD Driver Remote-control IC Key-scan Start SW "ON" when the base goes "L". Key-illuminations SW (GREEN) ON (Key-illuminations Green) when the base goes "H". Key-illuminations SW (RED) ON (Key-illuminations RED) when the base goes "H".

  • Page 4: Microcomputer's Terminal Description

    KDC-M4524/G/Y/GY MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER UPD703030GC011 (IC1 : X25) pin name Description truth table Processing Operation PLL CLK Clock output to F/E Noise detection time constant switching terminal FM seek/during/AF search : L, receiving : H TDF DET TDF panel detection terminal...
  • Page 5 KDC-M4524/G/Y/GY MICROCOMPUTER’S TERMINAL DESCRIPTION pin name Description truth table Processing Operation CD MECHA+B Power supply control terminal for MP3 ON : L, OFF : Hi-Z SW5V Control terminal for switch5V ON : L, OFF : Hi-Z PS2-0 Control terminal for power supply IC...

  • Page 6: Test Mode

    KDC-M4524/G/Y/GY MICROCOMPUTER’S TERMINAL DESCRIPTION Truth table 1 PS1-0 PS1-1 PS1-2 AUDIO P-CON P-ANT H(L) L(H) Truth table 2 PS2-0 PS2-1 ILLUMI FM+B AM+B H (L) L (H) Truth table 3 MOSW LO/EJ CD mechanism operation Load Eject Lo/Ej invalid truth...
  • Page 7 KDC-M4524/G/Y/GY TEST MODE 5. Forced switching of K3I 9. Backup current measurement Each press of the Preset 6 key in Tuner mode should switch When the unit is reset while ACC is OFF (i.e. by turning K3I from AUTO → Forced Wide → Forced Middle → Forced Backup ON), the MUTE terminal goes OFF in 2 seconds Narrow →...

  • Page 8: Pc Board (Component Side View)

    KDC-M4524/G/Y/GY PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT (X25-9622-71/9812-70) (J74-1466-12) 11 12 8 4 3 2 9 10 6 D303 C258 D310 D302 C302 D311 D304 D307 D309 C303 D306 D206 C301 D308 C352 D203 D305 C351 C309 C211 C210...

  • Page 9: Electric Unit

    KDC-M4524/G/Y/GY SWITCH UNIT X16-2052-71/2362-70 (J74-1464-02) C409 ELECTRIC UNIT C405 (X25-9622-71/9812-70) C408 Address D401 R407 SWITCH UNIT (X16-2052-71/2362-70) Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 10 KDC-M4524/G/Y/GY PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT (X25-9622-71/9812-70) (J74-1466-12) R257 W101 R264 R253 R254 R205 R252 R313 R314 R414 R312 R103 R408 R209 R210 Q401 D402...
  • Page 11 KDC-M4524/G/Y/GY SWITCH UNIT X16-2052-71/2362-70 (J74-1464-02) C356 REMO PANEL-5V L-INH VLCD1 R3 C4 C5 50 51 ILL+B ELECTRIC UNIT (25-9622-71/9812-70) ILL GND Address C112 C113 SWITCH UNIT (X16-2052-71/2362-70) Address Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 12 KDC-M4524/G/Y/GY PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5410-00 (J74-1487-12) CP15 CP20 IC13 CP21 CP13 IC10 CP10 CP14 CP24 CP12 CP11 CP9 R14 C31 CD PLAYER UNIT (X32-5410-00) Address Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 13 KDC-M4524/G/Y/GY PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5410-00 (J74-1487-12) CP17 CP23 CP16 CP18 CP22 CP19 IC11 IC12 12EJE /CLK DATA LE/LM LO/EJ MOTOR E2P-WR EFLG CD PLAYER UNIT (X32-5410-00) Address Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 14 KDC-M4524/G/Y/GY PRE MUTE REAR (X25-9622-71/9812-70) R252 REQ H B.U. R355 R356 C255 CH-CON 1u50 POWER MUTE Q351 Q352 A. GND MUTE REQ C DATA C DATA H RF GND D302 D307 D308 D303 D305 FM ANT 52mH AM ANT R315...
  • Page 15 301-308,311 MA4062-L or KRA307 HZS6C1 Q350 UN5112 or D156 HZS12A2 DTA124EUA or D256-258 S1J or KRA303 D1F60 D402 B30-1567-05 KDC-M4524/G (1/2) (X25-9XXX-XX) KDC-M4524Y/GY (1/2) R24, R206, D23, SIGNAL LINE MODEL NAME UNIT No. R412 R417 W101 X16- GND LINE KDC-MP222...
  • Page 16 KDC-M4524/G/Y/GY SWICTH UNIT (X16-2052-71/2362-70) ESD-GND TP35 REMOTE SENSOR IC PANEL-SW 5.0V TP24 SW5V GND3 TP33 GND2 REMO GND1 TP27 KEY-SCAN TP28 START SW TP29 TP30 TP25 L-INH TP32 RESET RESET TP26 ILL+B TP21 ILL GND TP31 5.0V PANEL 5V TP22 8.6V...
  • Page 17 DAN202K UMC2N 0.01 0.01 TP11 DAP202U TC74HCT7007AF TP12 DTA114YUA TP13 VOL+ TP14 VOL- TP15 MCH6101 NJM4580V KDC-M4524/G/Y/GY (2/2) : LC75808W : PNA4S22M MODEL NAME UNIT No. KDC-M4524Y DTA114EUA or X16-2052-71 KDC-M4524YG UN5111 KDC-M4524 Q2,3 2SD2114K X16-2362-70 KDC-M4524G B38-1633-05 D7-20 :...
  • Page 18 KDC-M4524/G/Y/GY (X32-5410-00) DM2 (X92- ) A3.3V A3.3V LOADING & SLD+ SLED MOTOR AUDIO L.P.F 4.7K SLD- 4700P 2.7K IC2 (2/2) 330P 2.7K IOP1 IC2 (1/2) 4ch BTL DRIVER IOP2 A3.3V A.8V SW 3.3V AVR 330P 1500P (AUDIO) AD12 DM1 (X92- )
  • Page 19 KDC-M4524/G/Y/GY 4.7K VREF FCS+ (AUTO POWER +3.3V +3.3V +3.3V CONTROL) TRK+ TRK- AGCO FCS- DPU1 IOP1 1500P A3.3V (X93- ) 160K CP15 4.7K OPTICAL IOP2 3.3V CP23 PICKUP RGND 1.65V 3.3V 3.3V TEST3 AGND TEST2 AD12 AB12 TEST1 AD11 AB11...

  • Page 20: Exploded View (Mechanism)

    KDC-M4524/G/Y/GY 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 21: Exploded View (Unit)

    KDC-M4524/G/Y/GY EXPLODED VIEW (UNIT) M3x8 : N30-3008-46 DME1 φ2x6 : N80-2006-46 φ2x8 (BLK) : N80-2008-45 φ3x5 : N83-3005-46 φ3x10 : N80-3010-46 φ3x20 : N83-3020-46 φ2.6x6 : N86-2606-46 φ1.5 RING : N29-0205-04 (X16-) (X25-) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 22: Parts List

    ELECTRIC UNIT (X25-9622-71/9812-70) N30-3008-46 PAN HEAD MACHINE SCREW D402 B30-1567-05 LED (1608,RED) N80-2006-46 PAN HEAD TAPTITE SCREW N80-2008-45 PAN HEAD TAPTITE SCREW C90-5235-05 ELECTRO 2200UF 16WV E : KDC-M4524 E1 : KDC-M4524G Indicates safety critical components. E2 : KDC-M4524Y E3 : KDC-M4524GY...
  • Page 23 CYLINDRICAL RECEPTACLE R161 RK73GB2A225J CHIP R 2.2M J 1/10W E63-0852-05 PIN JACK R162 RK73GB2A104J CHIP R 100K J 1/10W R171 RD14BB2C102J 1.0K J 1/6W E : KDC-M4524 E1 : KDC-M4524G Indicates safety critical components. E2 : KDC-M4524Y E3 : KDC-M4524GY...
  • Page 24 D22,23 AM01Z DIODE Q151 KRA307 DIGITAL TRANSISTOR E2E3 D22,23 DSM1SD2 DIODE E2E3 Q151 UN5114 DIGITAL TRANSISTOR E2E3 D22,23 ERA15-02 DIODE E2E3 Q201 2SC4081 TRANSISTOR E : KDC-M4524 E1 : KDC-M4524G Indicates safety critical components. E2 : KDC-M4524Y E3 : KDC-M4524GY...
  • Page 25 CHIP R J 1/10W CK73GB1H104K CHIP C 0.10UF R23,24 RK73GB2A104J CHIP R 100K J 1/10W CC73GCH1H020C CHIP C 2.0PF RK73GB2A102J CHIP R 1.0K J 1/10W E : KDC-M4524 E1 : KDC-M4524G Indicates safety critical components. E2 : KDC-M4524Y E3 : KDC-M4524GY...
  • Page 26 T42-1066-04 DC MOTOR ASSY (SP) DTA143EUA DIGITAL TRANSISTOR T42-1067-04 DC MOTOR ASSY (LO) CD MECHANISM ASSY (X92-4670-01) DPU1 X93-2010-00 OPTICAL PICKUP ASSY A10-4827-12 CHASSIS E : KDC-M4524 E1 : KDC-M4524G Indicates safety critical components. E2 : KDC-M4524Y E3 : KDC-M4524GY...
  • Page 27 KDC-M4524/G/Y/GY PARTS LIST 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...

  • Page 28: 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 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.

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