20” LCD Color Monitor BenQ G2020HDA
2
Content Index
Abbreviations & Acronyms ........................................................................................................................................ 3
1. About this Manual ................................................................................................................................................... 5
1.1 Important ............................................................................................................................................................ 5
1.2 Trademark ........................................................................................................................................................... 5
2. Introduction ............................................................................................................................................................. 5
2.1 RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS. .................................................... 5
2.2 Safety Notice ...................................................................................................................................................... 6
2.3 Compliance Statement ....................................................................................................................................... 6
3. General Description ................................................................................................................................................ 7
4. Related service information ................................................................................................................................... 8
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
DDC instruction ...................................................................................................................................................... 15
Adjustment / Alignment Procedure ......................................................................................................................... 21
Level 2 Circuit Board and Standard Parts Replacement ...................................................................................... 30
Product Exploded View .......................................................................................................................................... 30
Six angles’ view ...................................................................................................................................................... 31
Product Disassembly .............................................................................................................................................. 32
Block Diagram ........................................................................................................................................................ 36
Schematic Diagram ................................................................................................................................................ 38
Troubleshooting Guide ........................................................................................................................................... 46
PCB LAYOUT ......................................................................................................................................................... 54
Appendix 1 – Screw List / Torque ........................................................................................................................... 56
