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48
″
LCD TV LE48B7500
1
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..………………….……...……..5
2.1 Remote Control…………….……...…………...……....5
2.2 OSD Menus…………....………………….….………....8
2.3 Panel Control And Rear Terminal Control………...18
3. Input/Output Specification………….....................….22
4. Mechanical Instructions……………………................25
5. Repair Flow Chart ……………………………………...27
6. PCB Layout …………...………………………………..34
6.1 Main Board …………...………………………………..34
6.2 Power Board……..…………………... …....….........36
6.3 IR Board………….……………..……….….......39
6.4 KeyBoard……..…………………...…….…........39
7. Adjustment..............................................................40
7.1 WB Adjustment..............................................40
7.2 Firmware and DDC Instruction..............................41
8. Block Diagram..…..…..............................................42
9. Wiring Diagram....…….............................................43
10. Schematic Diagram.………..…….………………....44
10.1 Main Board………..…….…………………...…......44
10.2 Power Board……..…..…....…………...……….....52
10.3 IR Board………….……………..……….…............57
10.4 Key Board……..…………………...…….…........58
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
Содержание E48E91NCDLH62NZ
Страница 5: ...5 2 Operating Instructions 2 1 Remote Control ...
Страница 18: ...18 2 3 Panel Control and Rear Terminal Control ...
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Страница 25: ...25 4 Mechanical Instructions Step1 Remove the BASE Step2 Remove the REAR COVER ...
Страница 34: ...34 6 PCB Layout 6 1 Main Board 715G6686M01001004K ...
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Страница 36: ...36 6 2 Power Board 715G6439P01002002M ...
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Страница 39: ...39 6 3 IR Board 715G6721R02000004I 6 4 Key Board 715G6715K01000004I ...