23.6 LCD TV Haier L24C1180
1
Service
Service
Service
Horizontal Frequency
31.5~68 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
6.2 Power Board…..…………..………….…..…….......29
6.3 Key Board………………………..……..……….......32
6.4 IR Board…………………………..……….…….......32
7. Adjustment……………….……….…………...………33
7.1 ADC Adjustment……………………..……...………33
7.2 FW Upgrade.………………………………...………34
7.3 The Writing VGA & HDMI EDID….………...………38
8. Block Diagram.…….................................................43
9. Wiring Diagram.……...............................................44
10. Schematic Diagram………..……..………………...45
10.1 Main Board…………….…………………...….......45
10.2 Power Board………..…....…………...……….......55
10.3 Key Board……………….………….………….......57
10.4 IR Board……………………………….……….......58
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 Front Panel Control Knobs……………….………......13
2.4 How to Connect…….…………………….…..…….....14
3. Input/Output Specification…………....................…....15
4. Mechanical Instructions…………………….................17
5. Repair Flow Chart ………………………………………20
6. PCB Layout …………...………………………………...27
6.1 Main Board…………..…………………...…….….......27
Summary of Contents for L19
Page 17: ...17 4 Mechanical Instructions Step1 Remove the STAND ASS Y Step2 Remove the REAR COVER ...
Page 19: ...19 Step 5 Separate the MAIN FRAME and PANEL Step 6 Remove the KEY BOARD IR BOARD and SPEAKERS ...
Page 27: ...27 6 PCB Layout 6 1 Main Board 715G3759M02000005K ...
Page 28: ...28 ...
Page 29: ...29 6 2 Power Board 715G3754P01W30003H ...
Page 30: ...30 ...
Page 31: ...31 ...
Page 32: ...32 6 3 Key Board 715G3303 2 6 4 IR Board 715G3963R01000004S ...
