Pioneer deqp 7050 service manual

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pioneer sound. V/lS/bn.sou/

DEO-P7000/UC

Service
Manual

MULTI-CHANNEL AV PROCESSOR

DEQ-P7000 U.

DEQ-P7000 ew
DEO-P7050 es It!!!

. Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are trademarks of Dolby
Laboratories. Confidential unpublished works. © 1992-1997 Dolby Laboratories. All rights reserved.

. Manufactured under license from Digital Theater Systems, Inc. "DTS" and "DTS Digital Surround" are trademarks
of Digital Theater Systems, Inc.

. This product cannot be operated independently. Combining DVH-P7000/UC etc for performing a check of opera-
tion.

ORDER NO.

CRT2850

SURROUND

CONTENTS

1. SAFETY INFORMATION ............................................ 2 7. GENERAL INFORMATION ....................................... 26
2. EXPLODED VIEWS AND PARTS LIST ....................... 4 7.1 DIAGNOSIS ............ ....26
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .. 7.1.1 DISASSEMBLY. .26
4. PCB CONNECTION DIAGRAM ................................ 16 7.1.2 CONNECTOR FUNCTION DESCRIPTION ....27
5. ELECTRICAL PARTS LIST 7.2 IC ............................................. ....28
6. ADJUSTMENT .................. 7.3 OPERATIONAL FLOW CHART ....33
7.4 CLEANING .......................................................... 33

8. OPERATIONS AND SPECIFICATIONS ..................... 34

I].

For details, refer to "Important symbols for good services".

PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro»ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O.Box 1780, Long Beach, CA 908014760 U.S.A.
PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #0401, Singapore 159936

© PIONEER CORPORATION 2002 K-ZZY. MAR. 2002 Printed in Japan

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DEQ-P7000.P7OSO

I Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:

1. Product safety

You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.

N

. Adjustments

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.

ea

3. Cleaning

. t For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other pans requiring cleaning,
% proper cleaning should be performed to restore their performances.

Shipping mode and shipping screws \

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

.- /

5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the

prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used,

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