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. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1999
K-ZZY. MAY 1999 Printed in Japan
ORDER NO.
CRT2388
VOICE CONTROL MULTI-CD PLAYER
CDX-P2050VC
X1N/UC
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12
4. PCB CONNECTION DIAGRAM ................................26
5. ELECTRICAL PARTS LIST ........................................34
6. ADJUSTMENT..........................................................39
7. GENERAL INFORMATION .......................................45
7.1 DIAGNOSIS ........................................................45
7.1.1 TEST MODE ..............................................45
7.1.2 DISASSEMBLY .........................................54
7.2 IC .........................................................................56
8. OPERATIONS AND SPECIFICATIONS.....................65
- See the separate manual CX-938(CRT2357) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of C8 series.
CDX-P2050VC/X1N/UC
CDX-P2050VN X1N/EW
CDX-P2050VS X1N/EW
2
CDX-P2050VC,P2050VN,P2050VS
- CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer
to"Disassembly"(See page 54). During replacement,
handling precautions shall be taken to prevent an
electrostatic discharge(protection by a short pin).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
3. Please checking the grating after changing the pickup
unit(see page 39) since these screws protects the
mechanism during transport, be sure to affix it when
it is transported for repair, etc.
Transport screw
Attach to the original position before transporting the set.
Seal
After removing the transport screw, cover the hole
with the supplied seal.
Transportation of multi-CD Player
A transport screw has been attached to the set in order to protect it
during transportation. After removing the transport screw, cover
the hole with the supplied seal. Be sure to remove the transport
screw before mounting the set. The removed transport screw
should be retained in the accessory bag for use the next time the
set is transported.
3
CDX-P2050VC,P2050VN,P2050VS
1. SAFETY INFORMATION
1.1 CDX-P2050VC/X1N/UC
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
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
1.2 CDX-P2050VN/X1N/EW and CDX-P2050VS/X1N/EW
1. Safety Precautions for those who Service this Unit.
· Follow the adjustment steps (see pages 39 through 44)in the service manual when servicing this unit. When check-
ing or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable results.
Caution:
1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.
2. A "CLASS 1 LASER PRODUCT" label is affixed to the
rear of the player.
3. The triangular label is attached to the mechanism
unit frame.
4. Specifications of Laser Diode
Specifications of laser radiation fields to which human access is possible during service.
Wavelength
=
800 nanometers
4
CDX-P2050VC,P2050VN,P2050VS
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
12
11
11
12
8
9
19
10
7
13
14
21
20
5
4
3
1
6
2
16
17
15
18
23
27
26
25
22
28
29
30
24
31
33
32
5
CDX-P2050VC,P2050VN,P2050VS
Part No.
Mark No. Description
CDX-P2050VC/X1N/UC
CDX-P2050VN/X1N/EW
CDX-P2050VS/X1N/EW
1 Screw Assy
CEA1962
CEA1962
CEA1962
2 Screw
CBA1295
CBA1295
CBA1295
*
3 Polyethylene Sheet
CNM5158
CNM5158
CNM5158
4 Screw(M6X16)
HMB60P500FMC
HMB60P500FMC
HMB60P500FMC
5 Screw
HMF40P080FZK
HMF40P080FZK
HMF40P080FZK
6 Nut
NF60FMC
NF60FMC
NF60FMC
*
7 Polyethylene Bag
CEG1099
CEG1099
CEG1099
8 Polyethylene Bag
CEG1185
CEG1026
CEG1026
9 Carton
CHG3790
CHG3788
CHG3789
10 Contain Box
CHL3790
CHL3788
CHL3789
11 Protector
CHP2156
CHP2156
CHP2156
12 Protector
CHP2157
CHP2157
CHP2157
13 Seal
CNM5599
CNM5741
CNM5741
14-1 Owner's Manual
CRD3003
CRD3005
CRD3007
14-2 Installation Manual
CRD3004
CRD3006
CRD3008
*
14-3 Caution Card
CRP1205
CRP1205
CRP1205
*
14-4 Warranty Card
Not used
CRY1087
CRY1087
15 Magazine Assy
CXB4028
CXB4028
CXB4028
16 Angle Assy
CXB4345
CXB4344
CXB4344
17 Angle
CNB2447
CNB2440
CNB2440
18 Controller Assy
CXB3633
CXB3633
CXB3633
19 Cord
CDE5831
CDE5830
CDE5831
*
20 Caution Card
CRP1090
CRP1090
CRP1090
*
21 Caution Card
CRP1196
CRP1196
CRP1196
22 Accessory Assy
CEA2508
CEA2508
CEA2508
23 Cord
CDE6004
CDE6004
CDE6004
24 Cord Clamper Assy
CEA2072
CEA2072
CEA2072
25 Cord Clamper
CNV2581
CNV2581
CNV2581
*
26 Polyethylene Bag
E36-615
E36-615
E36-615
*
27 Polyethylene Bag
CEG-238
CEG-238
CEG-238
28 Fastener(rough)
CNM3709
CNM3709
CNM3709
29 Fastener(soft)
CNM3710
CNM3710
CNM3710
30 Clamper
CNV3751
CNV3751
CNV3751
31 Microphone Assy
CPM1017
CPM1017
CPM1017
32 Cushion
MEH1007
MEH1007
MEH1007
33 Clip Stand
MNK1221
MNK1221
MNK1221
- Owner's Manual
Model
Part No.
Language
CDX-P2050VC/X1N/UC
CRD3003
English, French
CDX-P2050VN/X1N/EW
CRD3005
English, French, German, Dutch
CDX-P2050VS/X1N/EW
CRD3007
English, Spanish, Italian, Portuguese(B)
- PACKING SECTION PARTS LIST
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.
- Installation Manual
Model
Part No.
Language
CDX-P2050VC/X1N/UC
CRD3004
English, French
CDX-P2050VN/X1N/EW
CRD3006
English, French, German, Dutch
CDX-P2050VS/X1N/EW
CRD3008
English, Spanish, Italian, Portuguese(B)