ERAE Electronics Industry EPT4220AP, Technical & Service Manual

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M
ANUAL
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EPT-4220AP
ERAE ELECTRONICS
3
Table of Contents
1. Introduction 1-1
1-1 Product Highlight 1-2
1-2 Technical Specification 1-3
1-3 Environmental Requirements 1-5
2. Mechanical Construction 2-1
2-1 Package Overview 2-2
2-2 Exploded Overview 2-4
2-3 Recommendation Spare Parts List 2-7
3. Procedure of Disassembly 3-1
3-1 Disassemble Back Cover and Jack Housing 3-1
3-2 Disassemble Back Bracket Parts and Board 3-2
3-3 Disassemble PDP Module 3-3
3-4 Disassemble Front Filter Glass Assy 3-4
4. The Function of Boards 4-1
4-1 VSC Board 4-1
4-2 Tuner Board 4-2
4-3 SUB AV Board 4-3
4-4 OSD Board 4-4
4-5 IR & LED Board 4-5
4-6 RS232C Board 4-6
4-7 Power Board 4-7
4-8 PDP Module 4-8
5. Troubleshooting 5-1
5-1 Equipment Needed 5-1
5-2 Main Procedure 5-2