BenQ GL2450HE Bedienungsanleitung

BenQ Monitor GL2450HE

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Applicable Country & Regions: Global

Service Manual for BenQ:

G2450HM: D-SUB + HDMI + DVI + AUDIO

P/N: 9H.L7NLA.TBW

GL2450HM: D-SUB + HDMI + DVI + AUDIO

P/N: 9H.L7CLA.TBE

GL2450HE: D-SUB + HDMI + DVI + AUDIO

P/N: 9H.L7CLA.FBE

Glossy Black Chassis Colors

Product Service Manual – Level 1~2

Version: 2nd

Date:10-31-2012

Notice:

For RO to input specific “Legal Requirement” in specific NS regarding to responsibility and

liability statements.

Please check BenQ’s eSupport web site, http://esupport.benq.com, to ensure that you have the

most recent version of this manual.

First Edition (Sep. 2011)

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