Content Index; Table Of Contents - BenQ E2220HD Service Manual

21.5" LCD Color Monitor
Abbreviations & Acronyms ........................................................................................................................................ 3
1. About this Manual ................................................................................................................................................... 5
1.1 Important ............................................................................................................................................................ 5
1.2 Trademark .......................................................................................................................................................... 5
2. Introduction ............................................................................................................................................................. 6
2.1 RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS. .................................................... 6
2.2 Safety Notice ...................................................................................................................................................... 6
2.3 Compliance Statement ....................................................................................................................................... 6
3. General Description ................................................................................................................................................ 7
4. Related service information ................................................................................................................................... 7
5. Product Overview ................................................................................................................................................... 8
5.1 Monitor Specifications ........................................................................................................................................ 8
5.2 Packing ............................................................................................................................................................. 10
Level 1 Cosmetic / Appearance / Alignment Service ............................................................................................ 12
Visual Inspection & Cleaning .................................................................................................................................. 12
Software/Firmware Upgrade Process .................................................................................................................... 12
ISP writing card and connecting instruction ........................................................................................................... 12
DDC instruction ...................................................................................................................................................... 16
Adjustment / Alignment Procedure ......................................................................................................................... 32
Level 2 Circuit Board and Standard Parts Replacement ...................................................................................... 45
Product Exploded View .......................................................................................................................................... 45
Six angles' view ...................................................................................................................................................... 47
Product Disassembly .............................................................................................................................................. 48
Block Diagram ........................................................................................................................................................ 53
Schematic Diagram ................................................................................................................................................ 55
Troubleshooting Guide ........................................................................................................................................... 68
PCB LAYOUT ......................................................................................................................................................... 76
Appendix 1 – Screw List / Torque ........................................................................................................................... 83

Content Index

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BenQ E2220HD