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CD RECEIVER
KDC-MP225
KDC-MP4026/G
KDC-W4527/G/GY/Y
KDC-W427Y
SERVICE MANUAL
Panel assy
KDC-MP225 (A64-3170-02)
AUD
OFF
AME
AUTO
Panel assy
KDC-MP4026 (A64-3174-02)
KDC-MP4026G(A64-3175-02)
AUD
OFF
AME
AUTO
* DC cord
(E30-6322-05)
(E30-6323-05)
Mounting hardware assy
* Escutcheon
(J21-9716-03)
(B07-3001-02)
(B07-3098-02)
* Depends on model. Refer to the parts list.
Front glass
KDC-MP225 (B10-4464-01)
-
SCRL
SCAN
RDM
REP
F.SEL
M.RDM
DISP MENU
Front glass
KDC-MP4026 (B10-4468-01)
KDC-MP4026G(B10-4469-01)
-
SCRL
SCAN
RDM
REP
F.SEL
M.RDM
DISP MENU
* DC cord
* Antenna adaptor
(E30-6132-05)
(T90-0523-05)
(E30-6286-05)
CD mechanism extension cord (24PIN) : W05-0934-00
Panel assy
KDC-W4527/Y
(A64-3172-02)
KDC-W4527G/GY(A64-3173-02)
+
C.S.
AUD
OFF
VOL
TI
ADJ
Panel assy
KDC-W427 (A64-3336-02)
+
AUD
OFF
AME
AUTO
* Screw set
(N99-1719-05)
Plastic cabinet assy
(A02-1486-13)
TDF PANEL INFORMATION
MODEL
KDC-MP225
Y33-1940-60
KDC-MP4026
Y33-1940-67
KDC-MP4026G
Y33-1940-63
KDC-W4527/Y
Y33-1940-64
KDC-W4527G/GY Y33-1940-65
KDC-W427Y
Y33-1940-66
© 2003-12 PRINTED IN JAPAN
B53-0113-00 ( N ) 2704
Front glass
KDC-W4527/Y (B10-4466-01)
KDC-W4527G/GY(B10-4467-01)
SCAN
RDM
REP
Front glass
KDC-W427 (B10-4555-01)
SCAN
RDM
REP
* Screw
Lever
(N84-4016-46)
(D10-4589-04) x 2
* Remote controller assy
(A70-2040-05) : RC-505
*
PARTS NO.
PANEL NAME
TDF-42D
TDF-MP4026
TDF-MP4026G
TDF-W4527
TDF-W4527G
TDF-W427Y
+
-
PTY
SCRL
F.SEL
M.RDM
DISP MENU
SCRL
F.SEL
DISP MENU
Not supplied
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Table of Contents
Related Manuals for Kenwood KDC-MP225
Summary of Contents for Kenwood KDC-MP225
- Page 1 © 2003-12 PRINTED IN JAPAN B53-0113-00 ( N ) 2704 CD mechanism extension cord (24PIN) : W05-0934-00 Panel assy Front glass Panel assy Front glass KDC-W4527/Y (A64-3172-02) KDC-W4527/Y (B10-4466-01) KDC-MP225 (A64-3170-02) KDC-MP225 (B10-4464-01) KDC-W4527G/GY(A64-3173-02) KDC-W4527G/GY(B10-4467-01) C.S. SCRL SCRL SCAN F.SEL M.RDM...
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Page 4: Components Description
KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y COMPONENTS DESCRIPTION SWITCH UNIT (X16-2640-xx/2642-xx/2652-xx) Ref. No. Application / Function Operation / Condition / Compatibility LCD driver Drive for LCD unit Remote control IC Receiving for the remote control unit KEY scan detector key scan start at base gose “L”. - Page 5 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility Q252 For surge measure of audio power IC When base voltage to “L”, for control to power IC function (STAND BY) Q350 Pre & NF mute SW When base voltage to “L”, drive to pre &...
- Page 6 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM MICROPROCESSOR : 784225GC231A (X25 : IC1) Pin No. Pin Name Description / Processing Operation TUN SMETER S meter detection input terminal RDS NOISE FM noise detection input terminal LINE MUTE Phone Muting signal input terminal (More than 2.5V : NAVI mute, Less than 1.0V : TEL mute)
- Page 7 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Description / Processing Operation PS2 0 Power supply IC control terminal PS1 0 Power supply IC control terminal PS1 1 Power supply IC control terminal PS1 2 Power supply IC control terminal...
- Page 8 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y MICROCOMPUTER’S TERMINAL DESCRIPTION CD SIGNAL MICROPROCESSOR : UPD63712GC (X32 : IC2) Pin No. Pin Name Description / Processing Operation VREFL Reference voltage input terminal AVSS GND for ADC AVCC Power supply for ADC (BU3.3V) NC (OPEN) 20RST Reset control output terminal (for decoder)
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Page 9: Microcomputer's Terminal Description
KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Description / Processing Operation 48,49 NC (OPEN) FLAGIN C2 error detect terminal L : Correction OK, H : Correction NG 51-60 NC (OPEN) /DAC PD Reset control output terminal (for DAC) -
Page 10: Test Mode
KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y TEST MODE 1. How to enter test mode 6. AUDIO function While holding the FM key and PRESET 6 keys, reset the • Audio-related specifications unit. • A short press of the Q key initiates the audio adjustment All display segments light up when the test mode is en- mode. - Page 11 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-264x-xx/2652-xx (J74-1561-02) X16-264x-xx/2652-xx (J74-1561-02) L-RES L-DATAL L-CE L-CLK L-DATAS REMO SW5V X16-264x-xx/2652-xx X16-264x-xx/2652-xx Ref. No. Address Ref. No. Address R29/C12 R24 R25 R27 R28 Refer to the schematic diagram for the values of resistors and capacitors.
- Page 12 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X25-998x-xx / X34-3172-70 (J76-0016-02) W152 W173 W140 W241 W166 W174 D252 W203 D254 W227 L2/W239 W135 W228 W137 C251 C257 W229 C253 C255 C254 C252 C256 R273 R272 W156 W177 R256...
- Page 13 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y 6-02) W241 10 9 W115 C351 Q352 Q351 W106 C303 C352 C251 W112 Q350 D310 R507 D308 D502 D311 R502 C254 D309 R504 R506 D307 R505 R503 D503 D501 X25-998x-xx C209 X34-3172-70 Ref. No. Address W103 W104 IC11...
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Page 14: Pc Board (Component Side View)
KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y PC BOARD (COMPONENT SIDE VIEW) 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 15 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y PC BOARD (FOIL SIDE VIEW) 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...
- Page 16 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y ∗ ∗ ELECTRIC UNIT PRE OUT (X25-998x-xx) 3 4 5 TP532 TP529 ∗ W114 R502 R503 180K 180K TP531 TP528 R355 R356 ∗ W113 Q351 Q352 SELECTOR IC10 ∗ W111 8.1V YCOM TP530 TP527 4.0V XCOM 4.0V ZCOM ANT.
- Page 17 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y DC IN ∗ LX-BUS SERVO SW14 ∗ C356 ACC DET D301 0.47 1.5K BU DET SERGE LINE MUTE 100K 5.0V 100u25 MUTE DRIVE 2.3V 4.9V R257 MECHA +B Q252 R252 4.3K R254 12.8V 220u16 R273 R271 C255 C256...
- Page 18 KEY REQ 0-10 78422GC231A E58-0992 YES NO YES NO 0-21 78422GC231A E58-0992 4.9V 2-71 78422GC231A E58-0992 0-01 78422GC231A E58-0993 ∗ R407 0-22 78422GC232A E58-0992 Q401 0-11 78422GC233A E58-0992 2-72 78422GC231A E58-0992 R425 TP401 0-12 78422GC233A E58-0992 KDC-MP225 (1/2) X25-998x-xx/X34-3172-70 (3/3)
- Page 19 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y SWITCH UNIT (X16-26xx-xx) ∗ TP14 REMOTE CONTROL ESD-GND PANEL SW TP12 TP13 5.0V SW5V TP11 REMO TP10 L-DATAS L-CLK L-CE 5.0V C3 0.047 L-DATAL VDD1 3.3V C4 0.047 VDD2 1.6V L-RES LCD DRIVER TEST R1 56K RESET LED+B...
- Page 20 Q2,3 2SC4617 D31-35 UDZS5.6B B LINE DA204U DTA114EE DTC143TUA 2SA1036K 2SA1576A TP29 2SC4617 TP30 TP31 2SD1858 TP32 TP33 DOWN TP34 2SC4081 TP35 TP36 TP37 TP38 DTA124EUA UMC2N Q & SRC BACK LIGHT DAN202U DTA114YUA DOWN TC7SH08FU KDC-MP225 (2/2) X16-264x-xx/2652-xx (2/2)
- Page 21 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y 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 3.3V...
- Page 22 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y Q9,10 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 3.3V FCS- 3300P ADVDD 3.3V 0.01 1.65V 3.0/0.3V 0.01 ADGND 91CW12AFG-4VF6 3.3/0V UPD63712GC TEST0 RF AMP/SERVO TC94A20F-010...
- Page 23 KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y EXPLODED VIEW (CD MECHANISM) DPU1 DFPC1 (X32) φ : N09-4460-05 M1.7x8.5 : N09-4472-05 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 * CD MECHANISM OPERATION DESCRIPTION is not in this sevice manual.
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Page 24: Exploded View (Unit)
KDC-MP225,MP4026/G KDC-W4527/G/GY/Y,W427Y EXPLODED VIEW (UNIT) SIZE AA BATTERY DME1 M3x8 : N30-3008-46 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 (X25-) (X16-) (X16-) Depends on the model. Refer to the parts list. -
Page 25: Parts List
Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation G01-2987-04 TORSION COIL SPRING KDC-MP225, MP4026/G, W4527/G/GY/Y, W427Y G01-3096-04 EXTENSION SPRING A02-1486-13 PLASTIC CABINET ASSY G01-3149-04 COMPRESSION SPRING A22-2863-03 SUB PANEL ASSY A46-1796-01 REAR COVER H10-4856-12... - Page 26 2.2UF 50WV RK73GB2A221J CHIP R J 1/10W E3E4 C201,202 CD04AS1HR47M ELECTRO 0.47UF 50WV K : KDC-MP225 M : KDC-MP4026 M1: KDC-MP4026G E : KDC-W4527Y Indicates safety critical components. E1 : KDC-W4527GY E2 : KDC-W427Y E3 : KDC-W4527 E4 : KDC-W4527G...
- Page 27 N86-2606-46 BINDING HEAD TAPTITE SCREW R174 RD14BB2C101J J 1/6W R175 RD14BB2C471J J 1/6W K : KDC-MP225 M : KDC-MP4026 M1: KDC-MP4026G E : KDC-W4527Y Indicates safety critical components. E1 : KDC-W4527GY E2 : KDC-W427Y E3 : KDC-W4527 E4 : KDC-W4527G...
- Page 28 J 1/10W EE1E3 R422 RK73GB2A223J CHIP R J 1/10W E4KMM1 D251 D1F60-5063 DIODE K : KDC-MP225 M : KDC-MP4026 M1: KDC-MP4026G E : KDC-W4527Y Indicates safety critical components. E1 : KDC-W4527GY E2 : KDC-W427Y E3 : KDC-W4527 E4 : KDC-W4527G...
- Page 29 CHIP-COM 4.7K J 1/16W CK73FB0J475K CHIP C 4.7UF CP12 RK74GA1J104J CHIP-COM 100K J 1/16W K : KDC-MP225 M : KDC-MP4026 M1: KDC-MP4026G E : KDC-W4527Y Indicates safety critical components. E1 : KDC-W4527GY E2 : KDC-W427Y E3 : KDC-W4527 E4 : KDC-W4527G...
- Page 30 100K J 1/10W RK73GB2A102J CHIP R 1.0K J 1/10W D23-0954-04 RETAINER D39-0246-05 DAMPER K : KDC-MP225 M : KDC-MP4026 M1: KDC-MP4026G E : KDC-W4527Y Indicates safety critical components. E1 : KDC-W4527GY E2 : KDC-W427Y E3 : KDC-W4527 E4 : KDC-W4527G...
- Page 31 DC MOTOR ASSY (SPINDLE) T42-1067-04 DC MOTOR ASSY (LOADING) DPU1 X93-2010-00 OPTICAL PICKUP ASS’Y K : KDC-MP225 M : KDC-MP4026 M1: KDC-MP4026G E : KDC-W4527Y Indicates safety critical components. E1 : KDC-W4527GY E2 : KDC-W427Y E3 : KDC-W4527 E4 : KDC-W4527G...
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Page 32: 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.