AOC LE19W037 Service Manual

18.5 18.5 " " &21.5 &21.5 " " &23.6 &23.6 " " LCD TV LCD
Service Service
Service Service
Service Service
Description Description
Table of Contents...........................................................1 Table of Contents...........................................................1
Important Safety Notice..................................................2 Important Safety Notice..................................................2
Revision Revision List..................... List.............................................
1. 1. General General Spe Specification.................................................5 cification.................................................5
2. 2. Operating Instructions............................... Operating Instructions............................................6
2.1 The Use of Remote Control...................................6 2.1 The Use of Remote Control...................................6
2.2 To Use the 2.2 To Use the Menus.......................... Menus................................................7
2.3 How 2.3 How to Connect........................................ to Connect................................................17
2.4 Front Panel Control Knobs................... 2.4 Front Panel Control Knobs..................................19
3. Input/Output Specification.......................................20 3. Input/Output Specification.......................................20
4. Mechanical I 4. Mechanical I nstructions............ nstructions.........................................22
5. Repair Flow Chart 5. Repair Flow Chart ........................... ..............................................25
6. PCB 6. PCB Layout .......................................................32 Layout .......................................................32
6.1 Main Board............................................. 6.1 Main Board.......................................................32
ANY PERSON ANY PER SON A A TTEMPTIN TTEMPTING TO SE
AND BE AND BE AW AWARE OF TH ARE OF THE NECESS E NECESSARY S
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
TV
TABLE OF CONTENTS TABLE OF CONTENTS
Page Page
.....................................3 .............3
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SAFETY NOTICE SAFETY NOTICE
G TO SERVICE RVICE THIS CHASS THIS CHASSIS MUST F
ARY SAFETY PR AFETY PRECAUTIONS ECAUTIONS TO BE US
AOC LE19W037&LE22(24) AOC LE19W037&LE22(24)H037
Description Description
6.2 Power Board.................................................34 6.2 Power Board.................................................34
6.3 LED Board....................................................44 6.3 LED Board....................................................44
6.4 Key Board.................. 6.4 Key Board.....................................................45
6.5 IR Board.................. 6.5 IR Board.......................................................45
7. Adjustment.......................................................46 7. Adjustment.......................................................46
8. Block Diagram......................................................47 8. Block Diagram......................................................47
9. 9. Schematic Diagram................................. Schematic Diagram..........................................49
9.1 Main Board...................................................49 9.1 Main Board...................................................49
9.2 Power Board..................................................58 9.2 Power Board..................................................58
9.3 LED 9.3 LED Board............................ Board.....................................................66
9.4 Key Board.................. 9.4 Key Board.....................................................68
9.5 IR Board............................ 9.5 IR Board........................................................69
10. Exploded View............................................70 10. Exploded View............................................70
11. BOM List......................................................74 11. BOM List......................................................74
IS MUST FAMILIARIZE H AMILIARIZE HIMSELF WITH IMSELF WITH THE CHASS
TO BE USED WHEN S ED WHEN SERVICING
1 1
H037
Horizontal Frequency Horizontal Frequency
31~60 KHz 31~60 KHz
Page Page
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THE CHASSIS IS
ERVICING