AOC LE42H158I Service Manual

31.5"&42" LCD TV
Service
Service
Service
Description
Table of Contents............................................................1
Important Safety Notice...................................................2
Revision List.........................................................3
1. General Specification..................................................4
2. Operating Instructions............................................5
3. Input/Output Specification.........................................6
4. Mechanical Instructions...........................................8
5. Repair Flow Chart...............................................15
6. PCB Layout........................................................22
6.1 Main Board.......................................................22
6.2 Power Board.....................................................24
6.3 LED Board.......................................................33
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

SAFETY NOTICE
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Page Description
6.4 Key Board...................................................33
6.5 IR Board.......................................................34
7. Adjustment..............................................................35
8. Block Diagram........................................................36
9. Schematic Diagram..........................................37
9.1 Main Board....................................................37
9.2 Power Board..................................................59
9.3 LED Board.....................................................66
9.4 Key Board.....................................................67
9.5 IR Board........................................................68
10. Exploded View..............................................69
11. BOM List......................................................73
1
AOC LE32H158I&LE42H158I
Horizontal Frequency
31~67 KHz
Page