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
Service
Manual
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
2
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.
WARNING
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.
3
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.
14
16
17
18
6
4
8
7
13
10
11
12
9
5
2
1
15
3
19
4
CD-VC50-02
2.2 EXTERIOR
2
1
1
4
1
14
3
5
6
7
8
9
10
11
12
13
1
16
15
18
19
21
20
17
29
28
27
24
23
22
30
25
26
31
Fig. 2
5
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.