Haier LE392D2320, Service Manual

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31.5 ″ &38.5 ″ &42 ″ &46 ″ LCD TV Haier LE32D2320/LE39/42/46D2380
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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.
5. PCB Layout …………...………………………………43
5.1 Power Board……..…………..………….…..……....43
5.2 Key Board………………………..……..……….......50
5.3 IR Board…………………………..……….…….......50
6. Adjustment……………….……….…………...………51
6.1 WB Adjustment……………………..……...………51
7. Wiring Diagram.……...............................................52
8. Schematic Diagram………..……..………………...56
8.1 Power Board………..…....…………...……….......56
8.2 Key Board……………….………….………......63
8.3 IR Board……………………………….……….....64
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…...………………….….………......8
2.3 Front Panel Control Knobs……………….………......23
2.4 How to Connect…….…………………….…..…….....24
3. Mechanical Instructions…………………….................25
4. Repair Flow Chart ………………………………………37
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING