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Service DEH-P8000R/UC

Manual ORDER NO.
CRT2344

MULTI-CD/DAB CONTROL HIGH POWER CD PLAYER WITH RDS TUNER

DEH-P8000R
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
UC

DEH-P8050 ES

- 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.

SERVICE PRECAUTION
In the first production, the following parts had been mounted temporarily to support the microcomputer
IC601 (PD5487A): R591 (RS1/16S473J), R592 (RS1/16S102J), and IC591 (Non spare part).
When replacing IC601 PD5487A, use PD5487B as IC601, and then remove the 3 parts listed above.
IC601 (PD5488A): R591 (RS1/16S473J), R592 (RS1/16S102J), and IC591 (Non spare part).
When replacing IC601 PD5488A, use PD5488B as IC601, and then remove the 3 parts listed above.

CONTENTS
1. SAFETY INFORMATION ............................................2 7. GENERAL INFORMATION .......................................51
2. EXPLODED VIEWS AND PARTS LIST .......................3 7.1 DIAGNOSIS ........................................................51
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10 7.1.1 TEST MODE ..............................................51
4. PCB CONNECTION DIAGRAM ................................28 7.1.2 DISASSEMBLY .........................................55
5. ELECTRICAL PARTS LIST ........................................38 7.2 IC ........................................................................60
6. ADJUSTMENT..........................................................47 8. OPERATIONS AND SPECIFICATIONS.....................71

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
DEH-P8000R,P8050

- CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer 2. During disassembly, be sure to turn the power off
to"Disassembly"(see page 51). since an internal IC might be destroyed when a con-
During replacement, handling precautions shall be nector is plugged or unplugged.
taken to prevent an electrostatic discharge(protection 3. Please checking the grating after changing the ser-
by a short pin). vice pickup unit(see page 49).

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

2
DEH-P8000R,P8050

2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING

20
18 7
19
24
15
17 10
14 11
9 12

13 8

23 1

3
5
4

2 28

3
DEH-P8000R,P8050

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-P8000R/UC DEH-P8050/ES
1 Cord Assy CDE5854 CDE5854
2 Base Assy CEA2426 CEA2426
* 3 Base CNS5031 CNS5031
* 4 Sheet CZA3371 CZA3371
5 Polyethylene Bag CZE3188 CZE3188

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