18.5
″
& 21.5
″
LCD TV Haier LE19Z6/LE22Z6
1
Service
Service
Service
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
6.1 Main Board………..…………………...…….….......29
6.2 Power Board…..…………..………….…..…….......31
6.3 Key Board………………………..……..……….......40
6.4 IR Board…………………………..……….…….......40
7. Adjustment..............................................................41
8. Block Diagram.…….................................................42
9. Wiring Diagram.……...............................................44
10. Schematic Diagram………..……..………………...47
10.1 Main Board…………….…………………...….......47
10.2 Power Board………..…....…………...……….......58
10.3 Key Board……………….………….………….......64
10.4 IR Board……………………………….……….......65
Table of Contents.......……....................................…........1
Important Safety Notice.......................................……......2
Revision List…………………………………………………3
1. General Specification.................................………........4
2. Operating Instructions…………………….……...….......5
2.1 The Use of Remote Control…….…………...…….......5
2.2 To Use the Menus…...………………….….………......6
2.3 Front Panel Control Knobs……………….………......13
2.4 How to Connect…….…………………….…..…….....15
3. Input/Output Specification…………....................…....17
4. Mechanical Instructions…………………….................19
5. Repair Flow Chart ………………………………………22
6. PCB Layout …………...………………………………...29
Summary of Contents for LE19Z6
Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 6: ...6 2 2 To Use the Menus ...
Page 7: ...7 ...
Page 8: ...8 ...
Page 9: ...9 ...
Page 10: ...10 ...
Page 11: ...11 ...
Page 12: ...12 ...
Page 13: ...13 2 3 Front Panel Control Knobs ...
Page 14: ...14 ...
Page 15: ...15 2 4 How to Connect ...
Page 16: ...16 ...
Page 19: ...19 4 Mechanical Instructions Step1 Remove the STAND ASS Y and REAR COVER LE19Z6 LE22Z6 ...
Page 21: ...21 Step3 Remove the AC BKT KEY BOARD IR BOARD and SPEAKERS and separate PANEL and BEZEL ...
Page 29: ...29 6 PCB Layout 6 1 Main Board 715G4089M01000004L ...
Page 30: ...30 ...
Page 31: ...31 6 2 Power Board LE19Z6 715G3762P01W31002M ...
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Page 33: ...33 ...
Page 34: ...34 LE22Z6 715G4147P01H21002S ...
Page 35: ...35 ...
Page 36: ...36 ...
Page 37: ...37 LE22Z6 715G4313P02000003S ...
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Page 39: ...39 ...
Page 40: ...40 6 3 Key Board 715G4200K0C000004S 6 4 IR Board 715G4104R01000004S ...
Page 42: ...42 8 Block Diagram ...
Page 43: ...43 ...