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Kenwood CD-425M Service Manual

Multiple compact disc player
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MULTIPLE COMPACT DISC PLAYER
CD-425M/4260M/4700M
DPF-J6030
SERVICE MANUAL
Front glass
(B10-3557-08)
Knob
(K29-7717-18)
Oscillating module
(W02-1114-15)
Pin jack
(E63-1078-05)
Miniature phone jack
Rectangular receptacle
(E11-0293-05)
(E58-0024-05)
Miniature phone jack
(E11-0360-05)
In compliance with Federal Regulations, following are
reproduction of labels on, or inside the porduct relating to
laser product safety.
KENWOOD-Crop. certifies this equipment conforms to
DHHS Regulations No.21 CFR 1040. 10, Chapter 1, Sub-
chapter J.
DANGER : Laser radiation when open and interlock
defeated.
AVOID DIRECT EXPOSURE TO BEAM.
Dressing panel
Front glass
(A21-3813-08)
(B10-3558-18)
Dressing panel
(A21-3815-08)
Power cord bushing
(J42-0083-05)
AC power cord
(E30-2883-05)
© 2000-3/B51-5610-00 (K/K) 3037
Front glass
(B10-3559-08)
Panel
Knob
(A29-1081-18)
(K29-7716-18)
Metallic cabinet *
(A01-)
* Illustration is CD-4260M/4700M.
* Refer to parts list on page 18.
Refer to CD-223M/DPF-J3010 service manual (B51-5409-
00) if require the following items in detail.
1) Mechanism operation description.
2) Disassembly for repair.
Dressing panel *
(A21-)
Panel
(A60-1753-38)
70%

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Table of Contents
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  Summary of Contents for Kenwood CD-425M

  • Page 1 00) if require the following items in detail. laser product safety. 1) Mechanism operation description. 2) Disassembly for repair. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, Sub- chapter J. DANGER : Laser radiation when open and interlock defeated.
  • Page 2: Table Of Contents

    PUSH OPEN TIMER PLAY DISC SKIP STANDBY DISPLAY CONFIRM ¢ RANDOM REPEAT ON/STANDBY 200 DISC LOADING WITH TWIN PICK UP MECHANISM Knob Panel Knob Panel (K29-6885-38) (A29-1087-08) (K29-6824-18) (A60-1755-18) * Illustration is CD-425M/DPF-J6030. * Refer to parts list on page 17.
  • Page 3: Circuit Description

    CD-425M/4260M/4700M/DPF-J6030 CIRCUIT DESCRIPTION 1. Main Microprocessor : uPD784217GF501 Microprocessor periphery block diagram CD MECHA CXD2587Q CLOCK 35 CLOK S1_SW 56 S1_SW (DSP) XLAT 36 XLAT S2_SW 28 S2_SW DATA 44 DATA S3_SW 27 S3_SW SCLK 33 SCLK D1_SW 58 DISC_SW1...
  • Page 4 CD-425M/4260M/4700M/DPF-J6030 CIRCUIT DESCRIPTION 3. Microprocessor pin description (X32, IC6) :UPD784217GF501 Pin No. Pin Name Description A16(1M) No used. No connection. No connection. No connection. SRAM read strobe. SRAM write strobe Chip selector ASTB(CE) No connection. Power supply(+5V). RMUTE Analog muting signal output.
  • Page 5 CD-425M/4260M/4700M/DPF-J6030 CIRCUIT DESCRIPTION Pin No. Pin Name Description AVSS GND. STANDBY LED control terminal. ICRESET IC reset. AVREF1 D/A reference power supply. RXD-232C No connection. TXD-232C No connection. SQCK/SCK-SW SQCK,SCK(DOT/DSP clock) selector. L:DSP. RXD-R No connection. TXD-R No connection. DOOR-SW Door open/close detector switch.
  • Page 6 CD-425M/4260M/4700M/DPF-J6030 CIRCUIT DESCRIPTION 5. Test mode INPUT KEY PROCEDURE DISPLAY Insert the AC plug to INITIAL CONDITION MECHA. INITIAL the wall outlet with • Disc No.1 moves to the center. INITIAL OK!! pressing the SKIP- • Clear the memory of the SRAM.
  • Page 7 CD-425M/4260M/4700M/DPF-J6030 CIRCUIT DESCRIPTION 6. Error code DISPLAY ERROR CONTENTS MECHA ERROR 01 No input of S3. The original position error of Disc Number. MECHA ERROR 02 No input of S2. The turning direction error to counterclockwise MECHA ERROR 03 No input of S1. The turning direction error to clockwise MECHA ERROR 04 No input of main load sw.
  • Page 8: Adjustment

    CD-425M/4260M/4700M/DPF-J6030 ADJUSTMENT INPUT OUTPUT PLAYER ALIGNMENT ITEM ALIGN FOR FIG. SETTING SETTING SETTING POINT 1. With pressing the REPEAT KEY, turn the power on to enter the test mode. 2. Set the Test disc to Disc NO. 1. 3. Close the door.
  • Page 9: Pc Board

    PC BOARD(Component side view) X32 C/5 POWER-ON-PLAY-SW X32 B/5 X32 E/5 (5)RST (1)SI (2)SO (3)SCK (4)VPP STANDBY (8)GND (7)+5V POW-ON-P 20 21 CN10 5MHz (6)X1 POWER IC13 U+5V FL-uCOM W167 +7.5V A/D1 IC16 X32 D/5 A/D2 -36V -36V W153 R145 W210 -36V R143...
  • Page 10 TXD-PC TXD (RXD-232C) R151 R154 100 Q28,29 : 2SC3246(J,K) TXD(RD) RXD-PC RXD (TXD-232C) 47u10 47u10 RESET RXD(TD) 5.0V 12.9V CD-4260M (X32-3770-12) CD-425M (X32-3770-11) +7.5V +7.5V DESTINATION DESTINATION IC15 UNIT No. UNIT No. 11.0592 COUNTRY ABB. COUNTRY ABB. (BOTTOM VIEW) U.S.A.
  • Page 11 R130 6.8V 1.8K 1.8K R95 47K R96 1.8K R97 10K CXA1821M SL16 5.0V TEXT 120V(K) 230V(E) 220-240V(M) W150 110-120V(M) CD-425M/4260M/4700M (K,P) : AC120V 60Hz (T,E) : AC230V~ 50Hz 5M51008BFP70LL 2SA954 2SA1175 UN4212 BA17805T DTA113ZSA 2SA1048 2SC3246 2SC2785 UN4219 UPC7805AHF DTA124ESA...
  • Page 12: Exploded View

    CD-425M/4260M/4700M/DPF-J6030 EXPLODED VIEW(MECHANISM) 2x25 : N39-2025-46 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 13 : N19-1096-04 M2x3 : N84-2003-46 WASHER : N19-0921-04 M2x4 : N86-2004-46 WASHER : N19-1171-04 : N84-3006-46 WASHER : N19-1105-04 TIMER 55 58 PLAY STANDBY 14 (SM) POWER (C/5) (B/5) (DOOR-SW) 91 92 DISC DISPLAY SKIP CONFIRM RANDOM REPEAT 604 615 CD-425M/DPF-J6030...
  • Page 14: Audio Cord

    Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Desti- Add- Ref. No Parts No. Description marks ress Parts nation CD-425M/DPF-J6030 A01-3723-18 METALLIC CABINET A09-0374-08 BATTERY COVER A09-1176-08 BATTERY COVER (KEYBOARD) A21-3794-08 DRESSING PANEL A21-3796-08 DRESSING PANEL...
  • Page 15 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 16 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 17 S1 -9 S70-0031-05 TACT SWITCH 2SA954(L,K) TRANSISTOR S64-0034-05 LEVER SWITCH S62-0070-05 SLIDE SWITCH 2SA1048(Y,GR) TRANSISTOR 2SA1175(F,E) TRANSISTOR T99-0596-05 ROTARY ENCODER(CD-425M/DPF-J6030) Q16 ,17 2SD1450(S,T) TRANSISTOR T99-0639-05 ROTARY ENCODER(CD-4260M/4700M) DTA113ZSA DIGITAL TRANSISTOR UN4119 DIGITAL TRANSISTOR D1 ,2 HSS104 DIODE D1 ,2 1SS133...
  • Page 18: Parts List

    ROLLER GUIDE D21-1900-18 SHAFT MAIN MODEL ABB. Australia Canada China England Europe Germany Korea Malaysia J19-5890-08 HOLDER SHAFT CD-425M J90-0856-08 GUIDE DISC CD-4260M D32-0354-08 STOPPER DISC CD-4700M J19-5893-08 HOLDER SENSOR DPF-J6030 J19-5927-08 HOLDER SENSOR MODEL ABB. Mexico PX/AAFES Russia Scandinavia Shanghai...
  • Page 19: Specifications

    Weight (Net) ..............7 kg (15.4 lb) 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. 2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).

This manual is also suitable for:

Cd-4260mCd-4700mDpf-j6030