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-ZZB. APR. 1999 Printed in Japan
ORDER NO.
CRT2324
MULTI-CD/DAB CONTROL DSP HIGH POWER CD PLAYER WITH RDS TUNER
DEH-P900R
UC
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10
4. PCB CONNECTION DIAGRAM ................................32
5. ELECTRICAL PARTS LIST ........................................44
6. ADJUSTMENT..........................................................54
7. GENERAL INFORMATION .......................................58
7.1 DIAGNOSIS ........................................................58
7.1.1 TEST MODE ..............................................58
7.1.2 DISASSEMBLY .........................................62
7.2 IC ........................................................................67
8. OPERATIONS AND SPECIFICATIONS.....................83
- See the separate manual CX-916(CRT2300) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of S8 series.
DEH-P900R/UC
DEH-P9050
ES
MULTI-CD CONTROL DSP HIGH POWER CD PLAYER WITH FM/AM TUNER
SERVICE PRECAUTION
In the first production, the following parts had been mounted temporarily to support the microcomputer
<DEH-P900R/UC> IC601 (PD5483A): R591 (RS1/16S473J), R592 (RS1/16S102J), and IC591 (Non spare part).
When replacing IC601 PD5483A, use PD5483B as IC601, and then remove the 3 parts listed above.
<DEH-P9050/ES> IC601 (PD5484A): R591 (RS1/16S473J), R592 (RS1/16S102J), and IC591 (Non spare part).
When replacing IC601 PD5484A, use PD5484B as IC601, and then remove the 3 parts listed above.
2
DEH-P900R,P9050
- CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer
to"Disassembly"(see page 62).
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 56).
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
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
DEH-P900R,P9050
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
8
1
22
26
21
27
25
24
28
13
18
19
7
15
10
11
12
14
9
16
17
23
20
6
5
2
3
4
3
4
DEH-P900R,P9050
- Owner's Manual, Installation Manual
Model
Part No.
Language
DEH-P900R/UC
CRD2965
English, French
CRD2966
English, French
DEH-P9050/ES
CRD2971
English, Spanish
CRD2972
Portuguese, Arabic
CRD2973
English, Spanish, Portuguese, Arabic
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.
- PACKING SECTION PARTS LIST
Part No.
Mark
No.
Description
DEH-P900R/UC
DEH-P9050/ES
1
Cord Assy
CDE5854
CDE5854
2
Base Assy
CEA2426
CEA2426
*
3
Base
CNS5031
CNS5031
*
4
Sheet
CZA3371
CZA3371
5
Polyethylene Bag
CZE3188
CZE3188
6
Microphone Assy
CPM1022
CPM1022
7
Spring
CBH-865
CBH-865
8
Case Assy
CXB3520
CXB3520
9
Screw
BMZ50P060FMC
BMZ50P060FMC
10
Screw
CBA-102
Not used
11
Screw
CBA1002
CBA1002
12
Screw
CBA1120
CBA1120
*
13
Polyethylene Bag
CEG-127
CEG-127
14
Screw
CMZ50P060FMC
CMZ50P060FMC
15
Nut
NF50FMC
Not used
*
16
Polyethylene Bag
CEG-158
CEG-158
17
Handle
CNC5395
CNC5395
18
Strap
CNF-111
Not used
19
Bush
CNV1917
CNV1917
20-1
Polyethylene Bag
CEG1116
CEG1116
20-2
Owner's Manual
CRD2965
CRD2971
20-3
Owner's Manual
Not used
CRD2972
20-4
Installation Manual
CRD2966
CRD2973
*
20-5
Caution Card
CRP1207
CRP1207
*
20-6
Warranty Card
CRY1070
Not used
*
20-7
Caution Card
CRP1209
CRP1210
21
Polyethylene Bag
CEG1185
CEG1088(Cover)
22
Air Cushioned Bag
CEG1192
CEG1192
23
Battery
CEX1006
CEX1006
24
Carton
CHG3772
CHG3770
25
Contain Box
CHL3772
CHL3770
26
Protector
CHP2032
CHP2032
27
Protector
CHP2033
CHP2033
28
Remote Control Assy
CXB3875
CXB3875
5
DEH-P900R,P9050
2.2 EXTERIOR
A
A
B
B
24
24
24
17
122
2
16
1
1
1
125
1
2
5
8
11
14
14
12
12
123
105
101
103
104
100
60
80
70
65
72
102
89
99
71
61
97
29
94
91
96
66
66
73
81
84
67
68
66
66
78
78
87
86
75
67
98
91
74
69
85
66
74
23
110
115
107
111
113
120
112
109
119
25
118
108
106
108
121
28
2
2
2
2
59
27
27
26
108
117
116
114
69
86
62
62
62
82
95
76
76
77
127
77
83
63
90
93
92
79
64
88
124
6
21
3(1/2)
7
15
2
19
22
20
18
53
52
50
48
10
34
33
13
41
33
38
37
32
55
45
58
57
56
54
30
31
51
9
49
35
44
40
42
36
46
47
39
3
(2/2)
126
126
127
127
127
127
127
43
4
128