18.5” LCD Color Monitor BenQ G922HD
2
Content Index
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
DDC instruction ......................................................................................................................................................15
Adjustment / Alignment Procedure .........................................................................................................................23
Level 2 Circuit Board and Standard Parts Replacement ......................................................................................32
Product Exploded View ..........................................................................................................................................32
Six angles’ view ......................................................................................................................................................33
Product Disassembly..............................................................................................................................................34
Block Diagram ........................................................................................................................................................38
Schematic Diagram ................................................................................................................................................40
Troubleshooting Guide ...........................................................................................................................................47
PCB LAYOUT .........................................................................................................................................................55
Appendix 1 – Screw List / Torque ...........................................................................................................................58
