Pioneer avx p 7300 dvd service manual

Page 1

Pioneer

Service
Manual

7 INCH WIDE AV SYSTEM DISPLAY/DVD PLAYER

AVX- P7300 DVD U.
AVX-P7300DVD

ORDER NO.

CRT2672

EVV
AVX- P7300 DVD ES/RD ES/RC
I lCDMPACT E
DIGITALAUIJID V I D E 0
O This service manual should be used together with the following manualls):
Model No. Order No. Mech. Module Remarks
CX-954 CRT2670 M82 DVD Mech. Modu|e2Circuit Description, Mech.Description, Disassembly
NOTE:

. 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 Confidential unpublished works.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.
. Inverter for LCD back light becomes a high voltage.
. About FPC between control PCB and relay unit
There is a direction of the connector and the installation is noted.
Please note that the length of the line is short at the time of detaching.

CONTENTS
1. SAFETY INFORMATION. ..2 7. GENERAL INFORMATION..
2. EXPLODED VIEWS AND PARTS LIST ..4 7.1 DIAGNOSIS ...................
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM. .14 7.1.1 TOUBLESHOOTING
4. PCB CONNECTION DIAGRAM.. 7.1.2 DISASSEMBLY...
5. ELECTRICAL PARTS LIST ....... 7.1.3 PCB LOCATION.
6. ADJUSTMENT ......................................................... 80 7.1.4 CONNECTOR FUNCTION DESCRIPTION. 111
7.2 IC ................................................................ 112
7.3EXPLANATION ................................................. 131
7. 3.1 MECHANISM DESCRIPTIONS"
7. 3.2 OPERATIONAL FLOW CHART...
8. OPERATIONS AND SPECIFICATIONS .................. 136
PIONEER 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 NV Haven 1087 Keetberglaan 1,9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTFIE PTE.LTD. 253 Alexandra Road, #0401, Singapore 159936

© PIONEER CORPORATION 2001

K-ZZU. MAY 2001 Printed in Japan

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AVX-P7300DVD

. DVD Player Service Precautions

1. Never adjust the LD VR in the pickup unit to protect the pickup from electrical damages.

2. For pickup unit(service)(CXX1530) handling, please refer to"Disassembly"(see page 109).
During replacement, handling precautions shall be taken to prevent an electrostatic dischargeiset the short switch
of the pickup unit to the SHORT side).

3. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a connector is
plugged or unplugged.

4. Please adjusting the skew after changing the pickup unit(see page 83).

1. SAFETY INFORMATION
1.1 UC
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

1.2 EW

1. Safety Precautions for those who Service this Unit.
. Follow the adjustment steps (see pages 80 through 100lin the service manual when servicing this unit. When
checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable results.

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

2. The triangular label is attached to the mechanism
unit frame.