Kenwood CD 423 MS Service Manual

This is the 22 pages manual for Kenwood CD 423 MS Service Manual.
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Kenwood CD 423 MS Service Manual

Extracted text from Kenwood CD 423 MS Service Manual (Ocr-read)


Page 2

CD-423M/423M-S/424M/DPF-J3030/J5030

CONTENTS / ACCESSORIES / CAUTIONS

Contents

CONTENTS /ACCESSOFIIES / CAUTIONS...
CIRCUIT DESCRIPTION ..............................


Ambubm

EXPLODED VIEW
PARTS LIST....


ADJUSTMENT.... PARTS DESCFI O S

PC BOARD ......... SPECIFICATIONS ..........

SCHEMATIC DIAGRAM .. . 1

Accessories

,
Audio cord ....................... (1) Syslem control com ________ (1) Batteries (RS/AA) ............ (4)
(an-osos-os)

Remote control units (2)

FIC-KBZ : CD-424M/DPF-J5030 only
(A70-1 326-05)

PIC-PO71 4
(A70-1336-05)

m

Battery cover (A09-1 1 76-08)

Cautions

(E30-2816-05)

Operation to reset

The microcomputer may malfunction (impossibility to operate,
erroneous display, etc.) when the connection cords are un-
plugged while power is ON or due to an external factor. In this
use, execute the following method to reset the microcomputer
and return it to normal condition.

Unplug the power cord from the power socket end plug the
power cord into the socket again.

To reset the registered contents

The registered contents for title, music type, user file and best
selection can be reset by the following procedure.

Unplug the power cord from the power socket, and while
holding the I key depressed, plug the power cord into the
socket again.

Page 6

CD-423M/423M-S/424M/DPF-J3030/J5030

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 OKI!
pressing the SKIP- - Clear the memory of the SRAM.
DOWN key, - Door opens. INITIAL NG
~ Set the switch of TIMER ON PLAY to ON. TIMER, NG
- Set the switch of SYSTEM CONTROL to X88. SER, NG
Insert the AC plug to CIRCUIT ADJUSTMENT TEST ON
the wall outlet with ' Open the door and load the disc to the Disc No.1.
pressing the REPEAT - Close the door. The unit changes to test mode 05 .
key alter clamping the disc
PLAY/PAUSE Change the mode 05(tracking-on) and 03(tracking-off) alternately . 05 XX:XX 03 XX:XX
by the PLAY key
STOP Stop the function. 00
UP The pickup travels outwards. MOTOR FORWARD
DOWN The pickup travels inwards. MOTOR REVERSE
RANDOM Shows the result of self~adjustment. l >
07 EFIFB 07 XXX:XXX
08 TGIFG 08 XXX:XXX
09 FE/RF ' 09 XXX:XXX
10 TENC 10 XXX:XXX
Mode changes alternately by the RANDOM key. NG: blinking
REPEAT Playback PGM signal of the Track No.7,13.23.30.34
and 41 in the order. And release the test mode.
CONFIRM Release the test mode.
(TIMER PLAY SW) Check the switch position. TIMER ON , TIMER OFF

Insert the AC plug
to the wall outlet with
pressing the UP key.

CHECK THE MECHANISM JAMMING.
Clamp the Disc N01 .2,100,50.200 and 199 in the order.

Insert the AC plug
to the wall outlet with
pressing the

THE MECHANISM TEST MODE.
Display shows Niagara until pressing any keys.

RANDOM key.
PLAY/PAUSE Change the mode 05(tracking-on) and 03(tracking-ofi) alternately 05 XX:XX 03X:XX
by the PLAY key.
STOP Stop the function.
Shows the result of self-adjustment.
07 EF/FB 07 XXX:XXX
08 TGIFG 08 XXX:XXX
09 FEIRF 09 XXX:XXX
10 TENC 10 XXX:XXX
Mode changes alternately by the STOP key. NG: blinking
UP Arm Motor Load operation. MOTOR LOAD
DOWN Arm Motor Unload operation. MOTOR UNLOAD
RANDOM Rotary Motor Clockwise tuming. MOTOR CW
DISPLAY Rotary Motor Counterclockwise turning. MOTOR CCW
REPEAT Playback PGM signal of the Track No.1,23 and 41
in the order.And release the test mode.
CONFIRM Release the test mode.

(TIMER PLAY SW)

Check the switch position.

TIMEFI ON , TIMER OFF

Page 20

M
D

It New Pans
Parts without Pam Moi are not supplied.

Les articles non meniionnss dans Is Part: No. no sent pas loumis. a
Teile oilne Pm No. warden nicht gelislen.
Add- M Doni- R.-
M. No nu M Pam No. Won nation marks
A1 W02-2561~05 ELECTRIC CIRCUIT MODULE
A2 W02114r15 OSCILLATING MODULE
MECHANISM CHANGER (MG-CH1)

1 1D A11-1134-IJE BASE ARM

2 1D DI WM LEVER R

3 1D BIZ-015808 CAM CHANGE

4 1D J19-5892M HOLDER ARM

5 1D 618-0912-03 RUBBER

8 1 D D10>3778-08 ARM DISC

7 1D 501-4060 SPG DISC H

8 1D J21A6576-08 PLATE ARM

9 1D DID-373505 SLIDER RACK

10 ID 95891-05 HOLDER RACK

12 ID D103767-08 LEVER CHANGE

M I D,2D T42~0920-08 MOTOR

17 1C 013155808 GEAR D

19 2C DID-3761418 LEVER HOOK A

20 2D DI 03732416 LEVER HOOK B

21 20 DI 3-1 857-08 GEAR E

22 20 564-00384! LEVER SW

25 2D J21-6579418 PLATE LIMITER

26 2D DIG-377948 ARM SWING

27 2D I! DIS-135549 GEAR CAM

29 2C J21-65mm PLATE LOCK

30 20 6014061438 SPG LOCK LEVER

31 2D D10-3780-18 SLIDER CAM

32 2D J21-657m PLATE SLIDE

33 2D D13-1854-08 GEAR SLIDER

34 2D D1 0-3786-1 8 LEVER STOPPER

37 2D JED-0854418 GUIDE RACK

38 1D 1301-4064413 SPG CHANGE

39 2E D21-1899-08 PIN ROLLER

40 1D D14-0399-08 HOLDER ROLLER

41 2E 9588808 ROLLER GUIDE

42 2E :1! D21-1900-IB SHAFT MAIN

43 2E J 1 9-559006 HOLDER SHAFT

44 2E J90-0856-OE GUIDE DISC

45 1E Mm STOPPER DISC

46 1E J195993>08 HOLDER SENSOR

47 1E J19-5927-09 HOLDER SENSOR

49 1D J21-657008 PLATE HOLD T

55 20 # J21-658048 PLATE LINK

58 2D J21-6571418 PLATE SLIDER A

so 1E J21~657508 PLATE SUPPORT B

82 20 DIG-1852418 GEAR B

N 2D DI 3-1 853-06 GEAR C

54 1E JSO~085506 GUIDE DISC U

85 1D 95894-08 HOLDER DISC U

67 20 601405706 SPG SLIDER

69 ID 601406208 SPG DAMPER A

70 ID 601406305 SPG DAMPER B

72 20 601 4065-08 SPG STOPPER

73 1 E J19-5883-OB STOCKER ROTARY

80 ID J11m-08 CLAMPER

L: Scandinavia K : USA P : Canada I : Mexico I: : China I: Malaysia
V: PXIFM EasLHaweii) T: England E : Europa G: amny V : Chinalshannhail
V: WESlEumpe] X : Ausualia n : Russia 11 : Kurea M : Other Area: A indicalss safety critical compomms.

it New Fans
Parts wlthout Pm No. are not supplied.

Les articles non meniionnas dans Is Part- No. ne sont pas ioumis. e
Teile ohne Pam No. werden nichi gelieien.
Add- My: Doni- R.-
M. No run M Part: No. Duulpfion nation mark:
82 10,1 E J02-1412-OG INSULATOR
83 1E E403235-09 CONNECTOR 5F
56 1D 90565-05 MAGNET
87 1E N29v0287-08 E-RING 6.0
59 2E N19-146008 PSW B.5X30X0.5
90 ID JW DOUBLE COATED TAPE
91 2E T950160-08 PHOTO INTERRUPTER
92 2E 540825408 CONNECTOR 5F
94 ID.1E N19 101 ED Dim-036008 PLATE STOPPER
102 ID GI s-osaa-ua SHEET
LED SIM-203T LED
TR RPMAZDPE TRANSISTOR
R RK73FBZA471 J CHIP R 470 J 1/10W
MECHANISM ASSY (D40-1515-05)
3 2A BIO-3606418 ROD
4 I B 013-1 72008 GEAR
5 35 374-00384 LEAF SWITCH
8 GB E40-32M05 PIN ASSV
DM 15 A11-1082-IB SUB CHASSIS ASSY
FM 25 742-0817-05 MOTOR ASSV
A PU 1A T25-OOGI-OB OPTICAL PICKUP HEAD
l: Scandinavia K: USA P : Canada I : Maxim 1:: hina l : Malaysia
V : PXIIar East,HamiiI 1' : England E : Europe B : Germany hinalShanghaII
V : WESIEuropel X :Austialia 11: Russia 11 : Kma IA : (liner Amas A indicates safely crilical components .
HOW TO READ WE PARTS LIST

ABBREVIAUON OF MODEL AND "488 PRODUCTION? DESTINATIONS

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