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-ZZD. FEB. 1999 Printed in Japan
ORDER NO.
CRT2290
MULTI-COMPACT DISC PLAYER
CDX-M1026ZG
X1H/UC
Service
Manual
GM
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....9
4. PCB CONNECTION DIAGRAM ................................22
5. ELECTRICAL PARTS LIST ........................................28
6. ADJUSTMENT..........................................................31
7. GENERAL INFORMATION .......................................39
7.1 IC .........................................................................39
7.2 DIAGNOSIS ........................................................41
7.2.1 DISASSEMBLY............................................41
7.2.2 TEST MODE ................................................43
7.2.3 CONNECTOR FUNCTION DESCRIPTION..44
8. OPERATIONS AND SPECIFICATIONS.....................45
VEHICLE
DESTINATION
PRODUCED AFTER
GM PART No.
ID No.
PIONEER MODEL No.
Oldsmobile,
U.S.A., CANADA
February 1999
25659167
CDX-M1026ZG/X1H/UC
Buick, Pontiac
- See the separate manual CX-653(CRT1916) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of C6 series.
2
CDX-M1026ZG
- CD Player Service Precautions
1. For pickup unit(Service)(CXX1235) handling, please
refer to"Disassembly"(see page 42).
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 33) since these screws protects the
mechanism during transport, be sure to affix it when
it is transported for repair, etc.
- Transportation of multi-CD player
Seal
After removing transport screw, cover the hole
with the supplied.seal.
Transport screw
Attach to original position before transporting the set
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 trans-
ported.
3
CDX-M1026ZG
1. SAFETY INFORMATION
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.
4
CDX-M1026ZG
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
5
CDX-M1026ZG
1 Screw
BMZ20P040FMC
2 Screw
BMZ26P040FMC
3 Screw
BMZ30P040FMC
4 Screw
BMZ30P040FZK
5 Screw
CBA1014
6 Screw
CBA1037
7 Screw
CBA1353
8 Spring
CBH1862
9 Spring
CBH2171
10 Connector
CDE5205
11 Transistor(Q1952)
2SB1335A
12 Upper Case
CNB2096
13 Spacer
CNC5536
14 Bracket
CNC6782
15 Holder
CNC7211
16 Holder
CNC7213
17 Seal
CNM4918
18 Insulator
CNM4973
19 PCB
CNP4402
20 Grille
CNS4146
21 Cover
CNS4153
22 Damper
CNV4502
23 Arm Unit
CXA8606
24 Lower Case Unit
CXA9466
25 Bracket Unit
CXB1636
*
26 Caution Card
HRP1090
27 Polyethylene Bag
HEG0018
28 CD Mechanism Module
CXK4551
29 Extension Unit
HWX2034
30 Screw
BMZ26P050FMC
31 Plug(CN1801)
CKS1049
32 Plug(CN1802)
CKS1050
*
33 Plug(CN1702)
CKS1052
34 Connector(CN1701)
CKS2233
35 Connector(CN1102)
CKS2398
36 Holder
CNC6672
37 Holder
CNC6784
38 Screw
BPZ20P060FMC
39 Screw
BPZ26P080FMC
40 Leaf Spring
CBL1286
41 Cord Assy
CDE5107
42 Clamper
CEF1020
43 Lighting Conductor
CNV4720
44 Grille Unit
CXA9439
45 Screw
IMS20P035FZK
46 Screw
IMS26P040FMC
47 Screw
IMS30P040FMC
48 Screw
IMS30P060FZK
- EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
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.