AOC TCL LCD27VN, Service Manual, Page: 1 / 74

27
’’ LCD TV Color Monitor TCL LCD27VN
1
Service
Service
Service
Horizontal Frequency
31.5KHz-80KHz
TABLE OF CONTENTS
Description Page Description Page
SAFETY NOTICE
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
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
7.1 Main Board
.………..........................................25
7.2 Power Board
………..…..…..............................29
7.3 Key/IR Board
….………...............….......................31
7.4 Earphone Board
....……………..............................32
8. Block Diagram.
……….….........................................33
8.1 Main Board.
…….……………………………..….33
8.2 Power Board
……….…....………………….......34
9. Schematic Diagram
……………...…………………...35
9.1 Main Board
……………..…..………………………..35
9.2 Power Board.............
….....................................46
10.Exploded View
……………….....................…..48
11. BOM List
…............................................................49
12. Different Parts List.................................................74
Table Of Contents.......……..............................…........1
Revision
List.…........................................……......2
1. Monitor Specification....................
..............………........3
2. Operating
Instructions……………...……….……….......4
2.1 The Use Of Remote
Control..……………...................4
2.2 Front Panel Control Knobs.
…...............……...............5
2.3 OSD
Operations…...………........................…............6
3 Input/Output Specification
…………..........................10
3.1 Input Signal Connector
……......................................10
3.2 RGB Input Signal Timing
…….....……......................11
4. Mechanical Instructions
………………...…..................12
5. Repair Flow Chart
……………………….……….....18
6. White Balance Luminance Adjustment
….……..........23
7. PCB Layout
………….…………………….…....….......25
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
R FOR TH
UNIT WHEN S
CI