Pioneer mehp 7150 service manual

Page 1

Service
Manual

@®©®@®®@O

Pioneer

M EH»P7100R/EW

ORDER NO.

CRT2471

MULTI-CD/DAB CONTROL HIGH POVIER MD PLAYER WITH RDS TUNER

MEH-P71OOR .w

MULTI-CD/DAB CONTROL HIGH POWER MD PLAYER WITH FM/AM TUNER

MEH-P7150 es

0 This service manual should be used together with the following manual(s):

Model No.

Order No. Mech. Module Remarks

CX-683 CRT2441 M D-4

M D Mech. M odule:Circuit Description, MechDescription, Disassembly

0 US and foreign patents licensed from Dolby Labouahoris Licensing Corpomtion.

CONTENTS
1. SAFETY INFORMATION ....................... ...2
2. EXPLODED VIEWS AND PARTS LIST.. ..,3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...1O
4. PCB CONNECTION DIAGRAM ................................ 36

5. ELECTRICAL PARTS LIST.
6. AD] USTM ENT .....

7. GEN ERAL IN FORMATION
7.1 DIAGNOSIS .................
7.1.1 TEST M ODE .......

7.1.2 DISASSEMBLY ..

7.2 IC ...............................................
7.3 OPERATIONAL FLOW CHART..

8. OPERATIONS AND SPECIFICATIONS...

PIONEER CORPORATION

4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654,] apan

PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #0401, Singapore 159936

© PIONEER CORPORATION 2000

K-ZZU. MAR. 2000 Printed in Japan

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MEH-P71OOR.P7150

1. SAFETY INFORMATION
1.1 MEH-P710(R/ EW, P7150] ES

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.

1.2 MEH-P71CXR/ EW

1. Safety Precautions for those who Service this Unit.

0 When checking or adjusting the emitting power of the laser diode exercise caution in orda'to get safe, reliable
rsulls.

Caution:

1. During repairortsts, minimum distance of 13cm from the focus lens must be kept.
2. During repair or tats, do not view laser beam for 10 seconds or longer.

2. A "CLASS 1 LASER PRODUCI' label is afixed to the 3. The triangular label is attached to the mechanism
bottom of the playa'. module flame.

CLASS 1

LASER PRODUCT

4.. Specifications of Laser Diode

Specifications of laser radiation fields to which human access is possible during service.
Wavelength = 800 nanometers