Pioneer dehp 85 dhr service manual

Page 1

Service
Manual

OJ) PIONEER

The Art of Entertainment

ORDER NO.

CRT1849

MULTI-CD CONTROL HIGH POWER CD PLAYER WITH RDS/ID-LOGIC TUNER

DEH-PBEDHFI uc

MULTI-CD CONTROL HIGH POWER CD PLAYER WITH ID-LOGIC TUNER

DEH-P75DH uc

La EICG) ALL RIGHTS RESERVED.

I ID LOGIC IS A TRADEMARK COMPACT
J1 OF AND IS MANUFACTURED
UNDER LICENSE FROM PRS

CORPORATION, N.Y. 8. H.K.

DIGITAL AUDIO

C CD Player Service Precautions

1. For pickup unit(CXX1230) handling, please refer 2. During disassembly, be sure to turn the power off

to"Disassembly"(CX-597 Service Manual CRT1829).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).

since an internal IC might be destroyed when a con-
nector is plugged or unplugged.

C See the separate manual CX-597(CRT1829) for the CD mechanism description, disassembly and circuit

description.

0 The CD mechanism employed in this model is one of CX-59'l series.

CONTENTS
1. SAFETY INFORMATION ............................................ 2 7. GENERAL INFORMATION ....................................... 60
2. EXPLODED VIEWS AND PARTS LIST ....................... 2 7.1 PARTS ................................................................. 60
3. SCHEMATIC DIAGRAM ........................................... 10 7.1.1 IC ................................................................ 60
4. PCB CONNECTION DIAGRAM ................................ 32 7.1.2 DISPLAY .................................................... 73
5. ELECTRICAL PARTS LIST ........................................ 43 7.2 DIAGNOSIS ........................................................ 75
6. ADJUSTMENT .......................................................... 53 7.2.1 DISASSEMBLY ......................................... 75
7.2.2 TEST MODE .............................................. 76
7.3 BLOCK DIAGRAM .............................................. 78
8. OPERATIONS AND SPECIFICATIONS ..................... 80

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.0.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. 501 Orchard Road, #10-00, Lane Crawford Place, Singapore 0923

© PIONEER ELECTRONIC CORPORATION 1997

K-FFS. JAN. 1997 Printed in Japan

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DEH-PBEDHH,P75DH

1. SAFETY INFORMATION

m

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

Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxi-
cant which may cause birth defects or other reproductive harm (California Health & Safety Code, Section 25249.5).
When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin
contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.

2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING

Fig. l