PIONEER CD-VC50-02 Service Manual

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880

C PIONEER ELECTRONIC CORPORATION 1998

K-ZED. JAN.1998 Printed in Japan

ORDER NO.

CRT2163

VOICE CONTROL DISC SELECTOR

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CD-VC50-02 E

CONTENTS

1. SAFETY INFORMATION ............................................2

2. EXPLODED VIEWS AND PARTS LIST.......................3

3. SCHEMATIC DIAGRAM .............................................6

4. PCB CONNECTION DIAGRAM ..................................8

5. ELECTRICAL PARTS LIST ........................................10

6. ADJUSTMENT..........................................................12

7. GENERAL INFORMATION .......................................12

7.1 IC .........................................................................12

7.2 DIAGNOSIS ........................................................15

7.2.1 TEST MODE..............................................15

7.2.2 DISASSEMBLY .........................................16

7.3 BLOCK DIAGRAM ..............................................17

8. OPERATIONS AND SPECIFICATIONS.....................18

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CD-VC50-02

1. SAFETY INFORMATION

CAUTION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so
and refer the repair to a qualified service technician.

W

ARNING

Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive
toxicant which may cause birth defects or other reproductive harm (California Health and Safety Code, Section

25249.5). When servicing or handling circuit boards and other components which contain lead in solder, avoid
unprotected skin contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.

Fig. 1

- PACKING SECTION PARTS LIST

Mark No. Description Part No.

Mark No. Description Part No.

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CD-VC50-02

1 Carton CHG3112
2 Contain Box CHL3112
3 Owner’s Manual CRD2188

(English, French, Spanish,
German, Italian)

* 4 Accessory Assy CEA2315

5 Cord Clamper Assy CEA2072

6 Cord Clamper CNV2581
* 7 Polyethylene Bag E36-615
* 8 Polyethylene Bag CEG-238

9 Fastener(rough)(S) CNM3709
10 Fastener(soft)(S) CNM3710
11 Fastener(rough)(L) CNM3728
12 Fastener(soft)(L) CNM3729
13 Clamper CNV3751

14 Air Cushioned Bag CEG1089
15 Microphone Assy CPM1017
16 Controller Assy CXB2569
17 Cord(Power supply) CDE5122
18 Cord Assy(IP-BUS) CDE5056

19 Owner’s Manual CRB1401

(Dutch)

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

NOTE:

- Parts marked by “*”are generally unavailable because they are not in our Master Spare Parts List.

- Screws adjacent to ∇ mark on the product are used for disassembly.

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CD-VC50-02

2.2 EXTERIOR

Fig. 2

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CD-VC50-02

1 Screw BSZ30P060FZK
2 Case CNB2122
3 Processor Unit CWX2242
4 Chassis CNA1839
5 Clamper CEF1005

6 Plug(CN701) CKM1131
7 Plug(CN302) CKS1044
8 Jack(CN101) CKS2310
9 Connector(CN301) CKS2486

10 Connector(CN901) CKS3195

11 Holder CNC6686
12 Bracket CZN6159
13 Bracket CZN6234
14 Cord Assy CDE5358

* 15 Lock Tie CNV-754

* 16 Filter CTX1060

17 Cord CDE5122
18 Cord Assy CDE5056
19 Microphone Assy CPM1017
20 Cushion MEH1007

21 Clip Stand MNK1221
22 Grille Assy TXK1475
23 Cover TED1364
24 Button TMA1030
25 Spacer TMA1028

26 PCB Unit TWX1021
27 Cord Assy TDC2159
28 Case TMB1044
29 Screw PPZ26P080FZK
30 Cushion TED1366

31 Controller Assy CXB2569

- EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

Mark No. Description Part No.

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CD-VC50-02

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B

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3. SCHEMATIC DIAGRAM

3.1 OVERALL CONNECTION DIAGRAM

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS

LIST”.

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HPF

REF.VOLT