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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.
CRT2341
MULTI-CD/MD/DAB CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P8800R
EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12
4. PCB CONNECTION DIAGRAM ................................30
5. ELECTRICAL PARTS LIST ........................................40
6. ADJUSTMENT..........................................................52
7. GENERAL INFORMATION .......................................53
7.1 DISASSEMBLY ...................................................53
7.2 IC ........................................................................54
8. OPERATIONS AND SPECIFICATIONS.....................61
- See the separate manual CX-631(CRT1640) for the cassette mechanism description.
- The cassette mechanism assy employed in this model is one of 2L series.
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
- This service manual does not describe the CD test mode.
For the operations in the CD test mode, refer to the CD player's Service manual.
KEH-P8800R/EW
KEH-P8850
ES
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-P8800R-W
EW
SERVICE PRECAUTION : (KEH-P8850/ES only)
In the first production, the following parts had been mounted temporarily to support the microcomputer
IC601 (PD5496A): R631 (RS1/10S102J), R632 (RS1/10S473J), and IC631 (Non spare part).
When replacing IC601 PD5496A, use PD5496B as IC601, and then remove the 3 parts listed above.


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2
KEH-P8800R,P8800R-W,P8850
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.
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
- KEH-P8800R/EW, KEH-P8800R-W/EW
9
6
2
3
4
7
14
8
15
5
10
12
11
1
13
16
21
20 20
17
18
19
24
22
23


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KEH-P8800R,P8800R-W,P8850
3
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, Installation Manual
Model
Part No.
Language
KEH-P8800R/EW
CRD2956
English, Spanish
KEH-P8800R-W/EW
CRD2957
German, French
CRD2958
Italian, Dutch
CRD2959
English, Spanish, German, French, Italian, Dutch
- PACKING SECTION PARTS LIST
Part No.
Mark
No.
Description
KEH-P8800R/EW
KEH-P8800R-W/EW
1
Cord Assy
CDE6007
CDE6007
2
Accessory Assy
CEA2538
CEA2538
3
Screw
CBA1002
CBA1002
4
Screw
CBA1120
CBA1120
5
Handle
CNC5395
CNC5395
6
Bush
CNV1917
CNV1917
*
7
Polyethylene Bag
E36-615
E36-615
*
8
Cover
CEG1088
CEG1088
9-1
Polyethylene Bag
CEG1116
CEG1116
9-2
Owner's Manual
CRD2956
CRD2956
9-3
Owner's Manual
CRD2957
CRD2957
9-4
Owner's Manual
CRD2958
CRD2958
9-5
Installation Manual
CRD2959
CRD2959
*
9-6
Caution Card
CRP1207
CRP1207
9-7
Passport
CRY1013
CRY1013
*
9-8
Warranty Card
CRY1087
CRY1087
9-9
Caution Card
CRP1208
CRP1208
10
Case Assy
CXB3520
CXB3520
11
Battery
CEX1030
CEX1030
12
Carton
CHG3778
CHG3779
13
Contain Box
CHL3778
CHL3779
14
Protector
CHP2186
CHP2186
15
Protector
CHP2187
CHP2187
16
Remote Control Assy
CXB3488
CXB3488
17
Screw Assy
CZE3169
CZE3169
*
18
Polyethylene Bag
CEG-127
CEG-127
*
19
Hexagonal Wrench
CZE3176
CZE3176
*
20
Screw
RMZ30H060FBK
RMZ30H060FBK
21
Belt
CZN6416
CZN6416
22
Holder Assy
CZX3172
CZX3172
23
Holder Assy
CZX3173
CZX3173
24
Remote Control Assy
CZX3231
CZX3231


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4
KEH-P8800R,P8800R-W,P8850
- KEH-P8850/ES
16
7
6
8
24
14
22
17
23
21
19
20
15
11
10
13
18
2
5
3
4
25
9
12
1


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5
KEH-P8800R,P8800R-W,P8850
1 Cord Assy
CDE5867
2 Base Assy
CEA2426
*
3 Base
CNS5031
*
4 Sheet
CZA3371
5 Polyethylene Bag
CZE3188
*
6 Accessory Assy
CEA2431
7 Spring
CBH-865
*
8 Screw Assy
CEA2434
9 Screw
BMZ50P060FMC
10 Screw
CBA1002
11 Screw
CBA1120
*
12 Polyethylene Bag
CEG-127
13 Screw
CMZ50P060FMC
*
14 Polyethylene Bag
CEG-158
15 Handle
CNC5395
16 Bush
CNV1917
*
17 Cover
CEG1088
18-1 Polyethylene Bag
CEG1116
18-2 Owner's Manual
CRD2962
18-3 Owner's Manual
CRD2963
18-4 Installation Manual
CRD2964
* 18-5 Caution Card
CRP1207
19 Battery
CEX1006
20 Carton
CHG3777
21 Contain Box
CHL3777
22 Protector
CHP2186
23 Protector
CHP2187
24 Case Assy
CXB3520
25 Remote Control Assy
CXB3875
Mark No. Description
Part No.
Mark No. Description
Part No.
- PACKING SECTION PARTS LIST
- Owner's Manual, Installation Manual
Model
Part No.
Language
KEH-P8850/ES
CRD2962
English, Spanish
CRD2963
Portuguese, Arabic
CRD2964
English, Spanish, Portuguese, Arabic