
26
″
&32
″
&37
″
LCD TV Haier LT26K1<32K1<F37K1
1
Service
Service
Service
Horizontal Frequency
31~67 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…..…………..………….…..…….......49
6.3 Key Board………………………..……..……….......55
6.4 IR Board…………………………..……….…….......55
7. Adjustment..............................................................56
8. Block Diagram.…….................................................57
9. Wiring Diagram.……...............................................58
10. Schematic Diagram………..……..………………...59
10.1 Main Board…………….…………………...….......59
10.2 Power Board………..…....…………...……….......73
10.3 Key Board……………….………….………….......79
10.4 IR Board……………………………….……….......80
11. Exploded View……………………….………….…...81
12. BOM List……………….…………………………….87
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…...…………………….………......11
2.3 How to Connect…….…………………….…..…….....24
2.4 Front Panel Control Knobs……………….………......29
3. Input/Output Specification…………....................…....31
4. Mechanical Instructions…………………….................35
5. Repair Flow Chart ……………………….…….…….....43
6. PCB Layout ………………..………………....…..........47
6.1 Main Board………………..……………...…….….......47
Summary of Contents for LT26K1
Page 4: ...4 1 General Specification ...
Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 6: ...6 ...
Page 7: ...7 ...
Page 8: ...8 ...
Page 9: ...9 ...
Page 10: ...10 ...
Page 11: ...11 2 2 To Use the Menus ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 15: ...15 ...
Page 16: ...16 ...
Page 17: ...17 ...
Page 18: ...18 ...
Page 19: ...19 ...
Page 20: ...20 ...
Page 21: ...21 ...
Page 22: ...22 ...
Page 23: ...23 ...
Page 24: ...24 2 3 How to Connect ...
Page 25: ...25 ...
Page 26: ...26 ...
Page 27: ...27 ...
Page 28: ...28 ...
Page 29: ...29 2 4 Front Panel Control Knobs ...
Page 30: ...30 ...
Page 34: ...34 3 6 VGA Support Format ...
Page 35: ...35 4 Mechanical Instructions 1 Remove the stand and rear cover LT26K1 LT32K1 ...
Page 36: ...36 LTF37K1 2 Release the connectors and remove the bkt stand and IR board LT26K1 ...
Page 37: ...37 LT32K1 LTF37K1 ...
Page 38: ...38 3 Remove side IO cover shielding and main board 4 Remove power board LT26K1 LT32K1 ...
Page 39: ...39 LTF37K1 5 Remove BKT LT26K1 ...
Page 40: ...40 LT32K1 LTF37K1 ...
Page 41: ...41 6 Remove panel LT26K1 LT32K1 LTF37K1 ...
Page 42: ...42 7 Remove key board IR board and speakers LT26K1 LT32K1 LTF37K1 ...
Page 47: ...47 6 PCB Layout 6 1 Main Board 715G3462 1 ...
Page 48: ...48 ...
Page 49: ...49 6 2 Power Board LT26K1 715G3425P010HV003S ...
Page 50: ...50 ...
Page 51: ...51 ...
Page 52: ...52 LT32K1 LTF37K1 715G3234P01H20003S ...
Page 53: ...53 ...
Page 54: ...54 ...
Page 55: ...55 6 3 Key Board 715G3484 1 6 4 IR Board 715G3485 1 ...
Page 81: ...81 11 Exploded View LT26K1 56 ...
Page 82: ...82 LT32K1 55 55 ...
Page 83: ...83 LTF37K1 58 58 ...