BenQ G2450HM, Service Manual, Page: 2 / 99

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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 Warning and Notice ................................................................................................................................. 6
2.3 Compliance Statement ....................................................................................................................................... 7
3. General Description ................................................................................................................................................ 8
4. Related service information ................................................................................................................................... 8
5. Product Overview ................................................................................................................................................... 9
5.1 Monitor Specifications ........................................................................................................................................ 9
5.2 Panel Inspection Specification .......................................................................................................................... 21
Level 1 Cosmetic / Appearance / Alignment Service ............................................................................................ 26
Visual Inspection & Cleaning .................................................................................................................................. 26
F/W Upgrade SOP .................................................................................................................................................. 26
Adjustment / Alignment Procedure ......................................................................................................................... 43
Level 2 Circuit Board and Standard Parts Replacement ...................................................................................... 58
Product Exploded View .......................................................................................................................................... 58
Six Angles’ View ..................................................................................................................................................... 60
Product Disassembly/Assembly ............................................................................................................................. 61
Block Diagram ........................................................................................................................................................ 71
Schematic Diagram ................................................................................................................................................ 74
Troubleshooting ...................................................................................................................................................... 85
PCB LAYOUT ............................................................................................................................................................. 91
Appendix 1 – Screw List / Torque ........................................................................................................................... 99