Kenwood KDC-W4034A/AY Service Manual
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Kenwood KDC-W4034A/AY Service Manual

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CD RECEIVER
KDC-W4034A/AY
KDC-W4034G/GY
KDC-W410A/AY
KDC-W410G/GY
SERVICE MANUAL
Panel assy
KDC-W4034A/G (A64-3792-02)
VOL
AUD
SET UP
SCAN
TI
AME
Q
MENU
Panel assy
KDC-W410A/G (A64-3805-02)
VOL
AUD
SET UP
TI
AME
Q
MENU
SCAN
Carrying case
(W01-1661-05)
Mounting hardware assy
(J21-9716-03)
* Depends on the model. Refer to the parts list.
SCRL
KDC-W4034
FM
/PTY
AM
RDM
REP
F.SEL
FF
SCRL
KDC-W410
FM
/PTY
AM
RDM
REP
F.SEL
FF
* Escutcheon
(B07-xxxx-xx)
© 2005-12 PRINTED IN JAPAN
B53-0348-00 ( N ) 1069
Panel assy
KDC-W4034AY/GY (A64-3896-02)
VOL
AUD
SET UP
TI
AME
Q
MENU
Panel assy
KDC-W410AY/GY (A64-3897-02)
VOL
AUD
SET UP
TI
AME
Q
MENU
SPARE TDF PANEL
MAIN UNIT NAME
KDC-W4034A
KDC-W4034AY
KDC-W4034G
KDC-W4034GY
KDC-W410A
KDC-W410AY
KDC-W410G
KDC-W410GY
DC cord
Lever
(E30-6427-05)
(D10-4589-04) x2
KDC-W4034Y
/PTY
SCAN
RDM
REP
F.SEL
FF
KDC-W410Y
/PTY
SCAN
RDM
REP
F.SEL
FF
TDF PARTS No.
TDF NAME
Y33-2420-64
TDF-W4034Y
Y33-2420-64
TDF-W4034Y
Y33-2420-64
TDF-W4034Y
Y33-2420-64
TDF-W4034Y
Y33-2420-65
TDF-W410Y
Y33-2420-65
TDF-W410Y
Y33-2420-65
TDF-W410Y
Y33-2420-65
TDF-W410Y
Antenna adaptor
(T90-0523-05)
This product uses Lead Free solder.
SCRL
FM
AM
SCRL
FM
AM

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Summary of Contents for Kenwood KDC-W4034A/AY

  • Page 1 CD RECEIVER KDC-W4034A/AY KDC-W4034G/GY KDC-W410A/AY KDC-W410G/GY SERVICE MANUAL © 2005-12 PRINTED IN JAPAN B53-0348-00 ( N ) 1069 Panel assy Panel assy KDC-W4034AY/GY (A64-3896-02) KDC-W4034A/G (A64-3792-02) SCRL SCRL KDC-W4034 KDC-W4034Y /PTY /PTY SET UP SET UP SCAN F.SEL MENU SCAN F.SEL...

  • Page 2: Block Diagram

    KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY BLOCK DIAGRAM ELECTRIC UNIT (X34- ) R103 SERVO+B To IC1 Q901-903 PHONE PHONE Q501 Q502 DME1 OFFSET Q101 AM+B To IC1 WIRED AM AGC FM AGC CD MECHA ACC-DET REMOTE ACC DET IC14 Q103 SP-OUT To IC1...

  • Page 3: Components Description

    KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-433x-xx) Ref. No. Application / Function Operation / Condition System µ-COM System control Power Supply IC DC5V x 1, 7.9V x 1, 8.1V x 2, 10.2V x 1, P-CON, P-ANT output RDS Decoder...

  • Page 4: Microcomputer's Terminal Description

    KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY COMPONENTS DESCRIPTION CD PLAYER UNIT (X32-5860-02) Ref. No. Application / Function Operation / Condition A3.3V regulator Power supply for audio 3.3V Ope amp for low-pass filter 4ch BTL driver Driving spindle motor and loading/ejection operation Mechanism µ-com BU 3.3V regulator...
  • Page 5 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing / Operation / Description Table CN DET Panel communication detection H: Without PANEL, L: With PANEL Not used Fix to output L KEY REQ Communication request form VFD driver...
  • Page 6 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing / Operation / Description Table TUNER block (in µ-com) check TUN FANC OUT Only when test mode, E2P OK: H, E2P NG: L, Normal: L...
  • Page 7 TYPE 1 TYPE 2 PS1-1 PS2-2 AUDIO KENWOOD brand model (initial value) OEM model (with CRSC changed) KENWOOD brand model (with CRSC changed) KENWOOD brand model (to support test-driving in EU) r : Destination change TYPE 3 TYPE 2 TYPE 1 Destination Model...
  • Page 8 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY MICROCOMPUTER’S TERMINAL DESCRIPTION Processing Operation Pin No. Pin Name Application Remarks Description Used with DXM-6680W (X32-586). DAC MUTE DAC MUTE control H : MUTE ON, L : MUTE OFF With DXM-6580W (X32-574), open and L-fixed. Used with DXM-6680W (X32-586).
  • Page 9 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY MICROCOMPUTER’S TERMINAL DESCRIPTION Processing Operation Pin No. Pin Name Application Remarks Description BVdd BUS interface power supply BVss BUS interface GND 57~61 AB8~AB12 Multiplex data/address 3.3V driven 62~65 Not used Low-fixed 3.3V driven Chip select control H : OFF, L : ON 3.3V driven...

  • Page 10: Test Mode

    KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY TEST MODE How to enter the test mode AUDIO adjust mode Press and hold the [1] and [3] keys and reset. • Press the [AUD] key and enter the audio adjustment mode. • Press the remote controller [∗] key and [AUD] key to go into How to clear the test mode the audio adjustment mode.
  • Page 11 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY TEST MODE Other [AM] IC10 adjustment status • When started in Test Mode, duration of prohibiting LINE “E2P_OK”: Adjustment completed MUTE shall be changed from 10 seconds to 1 second. “E2P_ER” : E2PROM values are still default (not determined) •...
  • Page 12 • Displays CD ejection error data (Pin 76) (Pin 77) • Displays CD time code error count data (missing count) q KENWOOD brand model • Displays CD time code error count data (count not updated) w KENWOOD brand model High...
  • Page 13 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY ADJUSTMENT 1. IC10 (X34-) -The Tuner adjustment method 1-3. Adjustment of FM ANT & RF coil • When IC10 and its circumference are repaired, according Voltage Check Point : S-METER-Check Land to the following order, it readjusts if needed.
  • Page 14 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY ADJUSTMENT 2. IC10 (X34-) 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.
  • Page 15 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-350x-xx (J76-0166-02) X16-350x-xx (J76-0166-02) PAN SW5V ILL D GND RTRY LED+B FL+B VFD RST DATAF DATAS REMO RTRY TDF DET X16-350x-xx ESD GND Ref. No.
  • Page 16 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-433x-xx (J76-0216-02) W603 W916 IC14 R963 R101 R102 R608 R610 R910 R908 R609 D103 W610 R903 R106 R901 W611 R107 D105 D901 W612 C605 D106 DC-DET Q101 W613 R607...
  • Page 17 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY C703 R963 R604 Q702 Q703 W704 R605 W705 C603 C521 X34-433x-xx C604 C529/ Ref. No. Address R979 C602 C522 C524 C701 C605 C526 C533 R522 R525 C702 L512 C534 Q502 IC10 L506 IC11 C537 L511 R978...

  • Page 18: Pc Board (Component Side View)

    KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5860-02 (J76-0212-02) CP27 IC11 R150 X32-5860-02 Ref. No. Address IC11 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 19 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5860-02 (J76-0212-02) 12EJE-SW CP28 A3.3V REFOUTSV SHOCK LOS-SW LOCK DOUT ADIN HOLD F- F+ DOUT DGND R152 C100 R104 CP11 CP10 S7.5V BU5V SGND TYPE LOE/LIM PON2 PON1...
  • Page 20 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY ELECTRIC UNIT (X34-4xxx-xx) R705 R701 C701 TP338 10u16 Q702 Q702 BU+5V REAR MUTE SW for Lch PRE OUT TP340 Q703 Q703 R959 MUTE SW for Rch PRE OUT R706 R702 C702 ∗ TP339 CF53 10u35 CF52 CF51 10.700...
  • Page 21 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY BU+5V BU+5V AUDIO+B CF54 Q105 450.000kHz Q503 CONTROL D110 Q104,105 TP432 MUTE R972 D112 TP502 L509 CONTROL Q104 NOISE 5.0V 5.0V 0 - 5.0V 5.0V RESET IC ∗ C582 ∗ 0.01 ∗ Q503 R210 2.6V TYPE 3 ∗...
  • Page 22 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY to DC CORD F1 10A 15 16 FUSE IC14 POWER IC BU+14.4V TP16 TP316 Q901 TP10 DC OFFSET Q902,903 DET. C601 DC OFFSET 1u50 TP903 R606 R904 DET SW 3300u16 TP315 ∗ 3.8V IC14 3.8V Q903 TP901 BU+14.4V...
  • Page 23 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY DESTI- C523, C526, C538, MODEL UNIT No. C502 C521 C522 C524 C525 C527 C537 C556 NATION 529,531 1000P E212/S J/J1 X34-4090-02 0.01 0.47 E313S X34-4090-01 0.01 0.47 1000P X34-4090-11 1500P 100P 0.01 KDC-MP202 KDC-MP2032CR X34-4090-13 1500P 100P 0.01...
  • Page 24 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY SWITCH UNIT (X16-350x-xx) ANODE CONNECTION 3GA,3GB 1GA,1GB NAME R80 47 1/2W — col (Downside) R81 47 1/2W R82 47 1/2W Upside Downside col (Upside) — — — REMOTE — — ∗ SW5V SENSOR KEY MATRIX AUTO ∗...
  • Page 25 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY (3GB/1GB/3GA/2G) (1GA) (X16-350x-xx) C61,62, DESTI- UNIT D61,62 D97,98 Q1,2 R1,2 MODEL NAME D63-65 NATION 67,68 E212/S J/J1 0-01 B30-1575-05 B30-1729-05 B30-1729-05 E313S KDC-232MR 0-11 B30-1729-05 B30-1729-05 KDC-MP202 2-72 B30-1567-05 B30-1567-05 KDC-MP2032 0-10 B30-1729-05 B30-1729-05 KDC-MP2032CR 0-21...
  • Page 26 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY (X32-586x-xx) IC1 : TAR5S33-F IC7 : UPD63763CGJ : DAP202U IC2 : NJM4580V-ZB IC9 : NOT USED UNIT DESTINATION IC3 : BA5824FP IC11 : TC7SET32FU-F 2SA1576A 0-00 IC4 : 703030BYGCJ21A : 2SB0970 K/M/E 0-02 IC5 : XC6219B332MR...
  • Page 27 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY 586x-xx) DESTINATION SIGNAL LINE GND LINE K/M/E B LINE 4ch BTL 2.4-4.2V 2.6-4.2V DRIVER 2.4-4.2V 2.6-4.2V TP26 TP31 S7.5V SLD+ SPD+ 1.2-5.5V 1.0-5.0V TP25 TP32 SLD+ SPD+ SLD+ SPD+ TP28 TP33 SLD- SPD- 1.2-5.5V 1.0-5.0V TP27...
  • Page 28 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY EXPLODED VIEW (CD MECHANISM) DPU1 DFPC1 (X32) φ : N09-4460-15 M1.6x6.0 : N09-6317-05 M1.7x2.5 : N09-6004-15 : N09-6007-15 M2x2 φ : N09-6051-15 2x5(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-15 M2x3.5 φ : N09-6155-15...

  • Page 29: Exploded View (Unit)

    KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY EXPLODED VIEW (UNIT) DME1 : N24-3015-48 : N80-2006-48 : N80-2008-43 : N83-3005-48 : N86-2610-48 : N80-3010-48 : N83-3005-48 : N83-3020-48 : N86-2606-48 (X34) (X16-) (X34-) Parts with the exploded numbers larger than 700 are not supplied.

  • Page 30: Parts List

    Parts No. Description Ref. No. Parts No. Description nation nation H54-3619-03 ITEM CARTON CASE (KDC-W410GY) E7 KDC-W4034A/AY, W4034G/GY, W410A/AY, W410G/GY H54-3632-03 ITEM CARTON CASE (KDC-W4034A) E A22-2863-13 SUB PANEL ASSY H54-3633-03 ITEM CARTON CASE (KDC-W4034G) E1 A46-1815-01 REAR COVER H54-3636-03...
  • Page 31 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY PARTS LIST SWITCH UNIT (X16-350x-xx) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation D63-65 B30-1533-05 LED (1608,PG) CK73GB1H152K CHIP C 1500PF B30-1567-05 LED (1608,RED) CC73GCH1H391J CHIP C 390PF D97,98 B30-1567-05...
  • Page 32 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY PARTS LIST CD PLAYER UNIT (X32-5860-02) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation CP12 RK74GA1J101J CHIP-COM 100 J 1/16W DAP202U DIODE CP13 RK74GA1J103J CHIP-COM 10K J 1/16W TAR5S33-F ANALOGUE IC...
  • Page 33 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY PARTS LIST ELECTRIC UNIT (X34-433x-xx) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation C528 CK73GB1H102K CHIP C 1000PF C804 CC73GCH1H331J CHIP C 330PF C529 CC73GCH1H060D CHIP C 6.0PF C805,806 CC73GCH1H100D CHIP C...
  • Page 34 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY PARTS LIST ELECTRIC UNIT (X34-433x-xx) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R108 RK73GB2A103J CHIP R J 1/10W R505 RK73GB2A105J CHIP R 1.0M J 1/10W R109 RD14BB2C223J J 1/6W...
  • Page 35 KDC-W4034A/AY, KDC-W4034G/GY KDC-W410A/AY, KDC-W410G/GY PARTS LIST ELECTRIC UNIT (X34-433x-xx) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation MTZJ6.8B ZENER DIODE D10-4584-03 1SS133 DIODE D10-4585-03 D101,102 1SR154-400 DIODE D10-4586-13 SLIDER D103 1SR139-400T64 DIODE D10-4587-52 SLIDER...

  • Page 36: Specifications

    Wow & Flutter ........Below Mesurable Limit Frequency Response ......10Hz~20kHz (±1dB) Total Harmonic Distortion ......... 0.01% (1kHz) S/N Ratio ............105dB (1kHz) KENWOOD follows a policy of continuous advancements Dynamic Range ............. 93dB in development. Channel Separation ............85dB For this reason specifications may be changed without no- MP3 Decode ..

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