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PIONEER 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 EUROPE NV
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001
K-ZZA. JUNE 2001 Printed in Japan
ORDER NO.
CRT2687
MULTI-CD/DVD CONTROL CD PLAYER WITH FM/AM TUNER
DEX-P9
UC
MULTI-CD/DVD/DAB CONTROL CD PLAYER WITH RDS TUNER
DEX-P9R
EW
Service
Manual
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module Remarks
CX-961
CRT2503
H2
CD Mech. Module:Circuit Description, Mech.Description, Disassembly
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...14
4. PCB CONNECTION DIAGRAM ................................30
5. ELECTRICAL PARTS LIST ........................................42
6. ADJUSTMENT..........................................................56
7. GENERAL INFORMATION .......................................60
7.1 DIAGNOSIS ........................................................60
7.1.1 TEST MODE ..............................................60
7.1.2 DISASSEMBLY .........................................64
7.1.3 CONNECTOR FUNCTION DESCRIPTION .......69
7.2 IC ........................................................................70
7.3 OPERATIONAL FLOW CHART ...........................88
8. OPERATIONS AND SPECIFICATIONS.....................89
DEX-P9/UC


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2
DEH-P90DAB
- Service Precautions
1. For pickup unit(CXX1305) handling, please refer
to"Disassembly"(see page 64).
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 ser-
vice pickup unit(see page 58).
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. SAFETY INFORMATION
UC


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3
DEX-P9,P9R
EW
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.
1. Safety Precautions for those who Service this Unit.
· When checking 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
bottom 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
CLASS 1
LASER PRODUCT


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DEX-P9,P9R
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING(DEX-P9/UC)
38
16
21
22
10
18
13
14
15
17
12
20
27
31
34
33
32
33
32
29
35
19
36
1
30
23
24
26
25
6
4
5
7
2
8
3
37
28


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DEX-P9,P9R
5
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.
- Owner's Manual
Model
Part No.
Language
DEX-P9/UC
CRB1649
English
CRB1650
French
1 Cord Assy
CDE6490
2 Bracket Assy
CEA2346
3 Screw Assy
CZE3198
4 Screw
BNC40P120FZK
5 Screw
BPZ30P100FZK
*
6 Polyethylene Bag
CEG-127
*
7 Polyethylene Bag
CZE3201
8 Bracket
CZN6467
9 ·····
10 Spring
CBH-865
11 ·····
12 Screw
BMZ50P060FMC
13 Screw
CBA-102
14 Screw
CBA1002
15 Screw(M2x6)
CBA1120
*
16 Polyethylene Bag
CEG-127
17 Screw
CMZ50P060FMC
18 Nut
NF50FMC
*
19 Polyethylene Bag
CEG-158
20 Handle
CNC5395
21 Strap
CNC5402
22 Bush
CNV1917
23 Base Assy
CEA2799
24 Polyethylene Bag
CZE3188
*
25 Sheet
CZE3266
*
26 Base
CZN7669
27 Polyethylene Bag
CEG1185
*
28 Battery
CEX1006
29 Sub Carton
CHA3167
30 Carton
CHG4395
31 Contain Box
CHL4395
32 Protector
CHP2383
33 Protector
CHP2384
34 Protector
CHP2385
35 Protector
CHP2386
36 Case Assy
CXB3520
37 Remote Control Assy
CXB7434
38-1 Owner's Manual
CRB1649
38-2 Owner's Manual
CRB1650
* 38-3 Warranty Card
CRY1070
38-4 Polyethylene Bag
CEG1116
- PACKING SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.