18.5
″
&21.6
″
LCD TV Haier LT19A1<22A1
1
Service
Service
Service
Horizontal Frequency
31~48 KHz
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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
6.2 Power Board…..…………..………….…..…….......36
6.3 Key Board………………………..……..……….......39
6.4 IR Board…………………………..……….…….......39
7.Adjustment..............................................................40
8.Block Diagram.…….................................................41
9.Wiring Diagram.……...............................................42
10.Schematic Diagram………..……..………………...43
10.1 Main Board…………….…………………...….......43
10.2 Power Board………..…....…………...……….......59
10.3 Key Board……………….………….………….......61
10.4 IR Board……………………………….……….......62
11.Exploded View……………………….………….…...63
12.BOM List……………….…………………………….65
Table of Contents.......……....................................…........1
Important Safety Notice.......................................……......2
Revision List…………………………………………………3
1. General Specification.................................………........4
2. Operating Instructions…………………….……...….......6
2.1 The Use of Remote Control…….…………...…….......6
2.2 To Use the Menus…...………………….….………......7
2.3 How to Connect…….…………………….…..…….....16
2.4 Front Panel Control Knobs……………….………......23
3. Input/Output Specification…………....................…....25
4. Mechanical Instructions…………………….................28
5. Repair Flow Chart ……………………….…….…….....30
6. PCB Layout ………………..………………....…..........34
6.1 Main Board………………..……………...…….….......34
Summary of Contents for LT19A1
Page 34: ...34 6 PCB Layout 6 1 Main Board 715G3693M01000004K ...
Page 35: ...35 ...
Page 36: ...36 6 2 Power Board 715G2783 2 7 ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 6 3 Key Board 715G3303K01001004S 6 4 IR Board 715G3870R01000004M ...
Page 41: ...41 8 Block Diagram ...
Page 63: ...63 11 Exploded View ...
