TCL L19E75A, Service Manual

Page: 1 / 63

19
″ LCD TV TCL L19E75A
1
Service
Service
Service
Horizontal Frequency
31.5KHz-75KHz
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.
6. White Balance Luminance Adjustment
….…….......27
7. PCB Layout
………….………………….…....….......29
7.1 Main Board
.………..........................................29
7.2 Power Board
………..…..…..............................31
7.3 IR Board
….………..................….......................34
7.4 Key Board
……….....….......................... ...... ...... ..35
8. Block Diagram.
……….….........................................36
9. Schematic Diagram
……………...…………………...37
9.1 Main Board
……………..…..………………………..37
9.2 Power Board.............
….....................................45
10.Exploded View
………………….....................…..47
11.BOM List
…............................................................49
Table Of Contents.......……..............................…........1
Revision
List.…........................................……......2
1. Monitor Specification....................
..............………........4
2. Operating
Instructions……………...……….……….......5
2.1 The Use Of Remote
Control..……………...................5
2.2 Front Panel Control Knobs.
…...............……...............6
2.3 OSD
Operations…...………........................…............7
2.4 How To Connect
.……….….……......………..............12
3 Input/Output Specification
…………..........................13
3.1 Input Signal Connector
……......................................13
3.2 RGB Input Signal Timing
…….....……......................15
4. Mechanical Instructions
………………...…..................16
5. Repair Flow Chart
……………………….……….....21
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
R FOR TH
UNIT WHEN S