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Kenwood CD-423M-S Service Manual

Multiple compact disc player
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MULTIPLE COMPACT DISC PLAYER
CD-423M/423M-S/424M
QQ
3 7 63 1515 0
DPF-J3030/J5030
SERVICE MANUAL
KENWOOD badge
(B43-0302-04)
TIMER PLAY
OFF
ON
STANDBY
POWER
ON/STANDBY
Knob *
(K29-)
TE
L 13942296513
Oscillating module
(w02-1114-15)
Phono jack
(E63-1078-05)
R
Miniature phone jack
(E11-0293-05)
In compliance with Federal Regulations, following are
www
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.
Front glass
(B10-2395-08)
MULTIPLE COMPACT DISC PLAYER
200 DISC LOADING WITH TWIN PICK UP MECHANISM
Dressing panel *
(A21-)
Power cord bushing
(J42-0083-05)
OUTPUT
L
DIGITAL OUT
OPTICAL
TEXT
SYSTEM
CONTROL
x
ao
u163
y
i
2 9
8
Front glass
(B10-2396-18)
0
PUSH OPEN
DISC SKIP
DISPLAY
RANDOM
Panel *
(A29-)
Q Q
3
6 7
1 3
1 5
AC power cord *
(E30-)
Refer to CD-223M/DPF-J3010 service manual (B51-5409-
00) if require the following items in detail.
1) Mechanism operation description.
co
2) Disassembly for repair.
.
9 4
2 8
© 1999-11/B51-5590-00 (K/K) 3037
Dressing panel *
(A21-)
6
7
CONFIRM
4
¢
REPEAT
Knob *
Panel *
(K29-)
(A60-)
0 5
8
2 9
9 4
2 8
* Refer to parts list on page 17.
m
9 9
9 9
70%

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  Summary of Contents for Kenwood CD-423M-S

  • Page 1 00) if require the following items in detail. laser product safety. 1) Mechanism operation description. u163 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

    CD-423M/423M-S/424M/DPF-J3030/J5030 3 7 63 1515 0 CONTENTS / ACCESSORIES / CAUTIONS Contents CONTENTS / ACCESSORIES / CAUTIONS..... 2 EXPLODED VIEW ............15 CIRCUIT DESCRIPTION ..........3 PARTS LIST..............17 ADJUSTMENT ............8 PARTS DESCRIPTIONS ..........21 PC BOARD ..............9 SPECIFICATIONS ........Back cover SCHEMATIC DIAGRAM .......... 11 Accessories Audio cord .......
  • Page 3: Circuit Description

    CD-423M/423M-S/424M/DPF-J3030/J5030 3 7 63 1515 0 CIRCUIT DESCRIPTION 1. Main Microprocessor : uPD784214GF-533(IC6) 1-1 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...
  • Page 4 CD-423M/423M-S/424M/DPF-J3030/J5030 3 7 63 1515 0 CIRCUIT DESCRIPTION 3. Microprocessor pin description (X32, IC6) :UPD784214GF-533 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).
  • Page 5 CD-423M/423M-S/424M/DPF-J3030/J5030 3 7 63 1515 0 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.
  • Page 6 CD-423M/423M-S/424M/DPF-J3030/J5030 3 7 63 1515 0 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- •...
  • Page 7 CD-423M/423M-S/424M/DPF-J3030/J5030 CIRCUIT DESCRIPTION 3 7 63 1515 0 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.
  • Page 8: Adjustment

    CD-423M/423M-S/424M/DPF-J3030/J5030 3 7 63 1515 0 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.
  • Page 9 PC BOARD (Component side view) X32 C/5 POWER-ON-PLAY-SW 3 7 6 3 1 5 1 5 0 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...
  • Page 10 DIGITAL 3 7 6 3 1 5 1 5 0 OUTPUT OPTICAL 0.33F5.5 (X32-377X-XX) (A/5) 4.9V ROTALY SW 100u10 ROTALY M+ 4CH BTL COMPERETOR MOTOR DRIVER ROTALY M- SENSOR PCB +7.5V +7.5V +7.5V 160K 5.0V 220u10 +5PUL 1u50 IC11 1/4W ROTARY 0.01 IC12...
  • Page 11 (X32-377X-XX) (A/5) (X32- ) (B/5) 3 7 6 3 1 5 1 5 0 4.9V 100Kx15 100Kx5 100Kx15 -35.2V (BOTTOM VIEW) (2G-16G) SRAM (256K) 5.0V A16(1M) (X32- ) (C/5) IC13 RD(OE) (BOTTOM VIEW) SQCK/SCK WR(WE) STANDBY FL(DOT) DRIVER R149 ASTB(CE) 4.9V SQSI RMUTE...
  • Page 12: Exploded View

    CD-423M/423M-S/424M/DPF-J3030/J5030 3 7 63 1515 0 EXPLODED VIEW(MECHANISM) L 13942296513 u163 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 13 3 7 6 3 1 5 1 5 0 OUTPUT DIGITAL OPTICAL SYSTEM CONTROL CD-423M-S : N09-3324-05 14 (LM) X32-3770-10 (A/5) : N38-2040-46 2.6x8 : N09-2769-05 : N83-2004-45 M2x4 3x6(BLK) : N09-1445-05 : N39-2025-46 M2x2.5 2.6x8 : N82-2608-46 M3x3 : N30-3003-46...
  • Page 14 ITEM CARTON CASE K2P2 B10-2395-08 FRONT GLASS H50-3538-08 ITEM CARTON CASE B10-2396-18 FRONT GLASS B12-0337-08 INDICATOR J02-1461-08 FOOT (REAR) B43-0302-04 KENWOOD BADGE J02-1474-08 FOOT (FRONT) B20-0623-18 SCALE J42-0083-05 POWER CORD BUSHING J52-0039-05 PUSH LATCH B46-0310-03 WARRANTY CARD T1E1 B46-0328-03 WARRANTY CARD...
  • Page 15 3 7 6 3 1 5 1 5 0 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 3 7 6 3 1 5 1 5 0 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: Parts List

    MODEL ABB. Australia Canada China England Europe Germany Korea Malaysia J21-6570-08 PLATE HOLD T CD-423M J21-6580-18 PLATE LINK CD-423M-S J21-6571-08 PLATE SLIDER A CD-424M DPF-J3030 J21-6575-08 PLATE SUPPORT B D13-1852-08 GEAR B DPF-J5030 D13-1853-08 GEAR C MODEL ABB. Mexico PX/AAFES...
  • Page 18: Parts Descriptions

    CD-423M/423M-S/424M/DPF-J3030/J5030 3 7 63 1515 0 PARTS DESCRIPTIONS L 13942296513 u163...
  • Page 19: Specifications

    Digital output Optical ...... –15 dBm ~ –21 dBm (Wave length 660 nm) 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes 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-423mDpf-j3030Dpf-j5030Cd-424m