Haier 40D3505T Service Manual
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40″ LCD TV Haier 40D3505T-40D2500
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Service
Service
Service
Table of Contents
Description Page Description Page
Table of Contents.......……...................................….....1
Important Safety Notice.......................................……..2
Revision List………………………………………………..3
1. General Specification....................................……….....4
2. Operating Instructions..………………….……...……..8
2.1 Remote Control…………….……...…………...……....8
2.2 OSD Menus…………....………………….….………..10
2.3 Panel Control And Rear Terminal Control………...12
3. Input/Output Specification………….....................….23
4. Mechanical Instructions……………………................25
5. Repair Flow Chart ……………………………………...28
6. PCB Layout …………...………………………………..35
6.1 Main Board …………...………………………………..35
6.2 Power Board……..…………………... …....….........37
6.3 IR Board………….……………..……….….......40
6.4 KeyBoard……..…………………...…….…........40
7. Adjustment..............................................................41
7.1 ADC/WB Adjustment..............................................41
7.2 Firmware and DDC Instruction..............................42
8. Block Diagram..…..…..............................................46
9. Wiring Diagram....…….............................................48
10. Schematic Diagram.………..…….………………....49
10.1 Main Board………..…….…………………...…......49
10.2 Power Board……..…..…....…………...……….....56
10.3 IR Board………….……………..……….…............58
10.4 Key Board……..…………………...…….…........59
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