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42
″
LCD TV Haier HL42XP22
1
Service
Service
Service
Horizontal Frequency
31~68 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
6.4 Key Board………………………..……..……….......22
6.5 IR Board…………………………..……….…….......23
7. Adjustment..............................................................24
8. Block Diagram.…….................................................25
9. Wiring Diagram.……...............................................26
10. Schematic Diagram………..……..………………...27
10.1 Main Board…………….…………………...….......27
10.2 Power Board………..…....…………...……….......39
10.3 LED Board………………...…………..……….......40
10.4 Key Board……………….………….………….......41
10.5 IR Board……………………………….……….......42
Table of Contents.......……....................................…........1
Important Safety Notice.......................................……......2
Revision List…………………………………………………3
1. General Specification.................................………........4
2. Operating Instructions…………………….……...….......6
3. Input/Output Specification…………......................…....7
4. Mechanical Instructions……………………...................9
5. Repair Flow Chart ………………………………………12
6. PCB Layout …………...………………………………...17
6.1 Main Board…………..…………………...…….….......17
6.2 Power Board……..…………..………….…..…….......19
6.3 LED Board………………...……..……..………..........22
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Summary of Contents for HL42XP22
Page 10: ...10 Step3 Remove the BKT and SPEAKERS All manuals and user guides at all guides com ...
Page 18: ...18 All manuals and user guides at all guides com ...
Page 19: ...19 6 2 Power Board 715G3885P01W20003M All manuals and user guides at all guides com ...
Page 20: ...20 All manuals and user guides at all guides com ...
Page 21: ...21 All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 23: ...23 6 5 IR Board 715G4247R01000004S All manuals and user guides at all guides com ...