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 ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001
K-ZZU. MAY 2001 Printed in Japan
ORDER NO.
CRT2671
7 INCH WIDE AV SYSTEM DISPLAY
AVX-7300
UC
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..10
4. PCB CONNECTION DIAGRAM................................28
5. ELECTRICAL PARTS LIST........................................41
6. ADJUSTMENT .........................................................49
7. GENERAL INFORMATION.......................................49
7.1 DIAGNOSIS ........................................................49
7.1.1 TROUBLESHOOTING ..............................49
7.1.2 DISASSEMBLY .........................................53
7.1.3 CONNECTOR FUNCTION DESCRIPTION57
7.2 IC
..................................................................58
7.3 EXPLANATION ...................................................62
7.3.1 MECHANISM DESCRIPTIONS ................62
7.3.2 OPERATIONAL FLOW CHART.................66
8. OPERATIONS AND SPECIFICATIONS ....................67
AVX-7300
EW
AVX-7300
ES
NOTE:
- 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.
