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BenQ G900WA User Manual

BenQ G900WA
58 pages
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19” LCD Color Monitor BenQ G900WA
1
Content Index
1.AboutThisManual......................................................................................................................................................... 2
2.Introduction................................................................................................................................................................... 3
2.1 RoHS requirement ...........................................................................................................................................................3
2.2 Safety Notice.....................................................................................................................................................................3
2.3 General Description .........................................................................................................................................................4
2.4 Related service information ............................................................................................................................................4
3.ProductOverview........................................................................................................................................................... 6
3.1 Monitor Specifications .....................................................................................................................................................6
3.2 Input Signal Connector....................................................................................................................................................7
3.3 Factory Preset Display Modes .......................................................................................................................................7
3.4 Panel Specification...........................................................................................................................................................8
4Disassembly/Assembly ................................................................................................................................................. 13
4.1 Three angles view .........................................................................................................................................................13
4.2 Exploded View ................................................................................................................................................................14
4.3Disassembly .......................................................................................................................................................................15
5.Cosmetic / Appearance / Alignment Service......................................................................................................... 19
5.1Software/FirmwareUpgradeProcess................................................................................................................................19
5.2Adjustment/AlignmentProcedure ...................................................................................................................................22
5.3WhiteBalance,LuminanceAdjustment.............................................................................................................................31
6CircuitBoardandStandardPartsReplacement .............................................................................................................. 33
6.1ElectricalBlockDiagram ....................................................................................................................................................33
6.2TroubleshootingGuide.......................................................................................................................................................35
6.3Circuitoperationtheory.....................................................................................................................................................42
6.4BOMList ............................................................................................................................................................................44
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BenQ G900WA Specifications

General IconGeneral
Pixel pitch0.283 x 0.283 mm
Display diagonal19 \
Display resolution1400 x 900 pixels
Vertical scan range55 - 76 Hz
Horizontal scan range31 - 83 kHz
Contrast ratio (typical)800:1
Viewing angle, horizontal160 °
Display brightness (typical)300 cd/m²
Bandwidth0.135 GHz
Display viewable area (HxV)408.2 x 255.1 mm
Cable lock slotYes
Tilt angle range-5 - 20 °
Cable lock slot typeKensington
Panel mounting interface100 x 100 mm
Power consumption (typical)40 W
Sustainability certificatesENERGY STAR
SafetyTCO'03
Market positioning-
Weight and Dimensions IconWeight and Dimensions
Depth (without stand)365.7 mm
Width (without stand)441.3 mm
Height (without stand)165 mm
Weight (without stand)3730 g

Summary

Introduction

RoHS Requirement

Details the Restriction of the Use of Certain Hazardous Substances directive for electronic equipment.

Safety Notice

Provides essential safety warnings, FCC compliance, and power safety guidelines for operation.

General Description

Outlines the monitor's key features, functions, and general capabilities.

Related Service Information

Covers important precautions for monitor placement, power connection, and safe handling.

Product Overview

Monitor Specifications

Lists detailed technical specifications for the LCD panel, input, and performance metrics.

Input Signal Connector

Details the pinout configuration for the standard VGA input signal connector.

Factory Preset Display Modes

Lists supported display resolutions with corresponding horizontal and vertical timing parameters.

Panel Specification

Provides comprehensive technical specifications for the LCD panel, including size, resolution, and pixel pitch.

Disassembly and Assembly

Three Angles View

Shows dimensional views of the monitor from the front, side, and back.

Exploded View

Illustrates the monitor's internal components and their assembly order for service.

Disassembly Steps

Provides step-by-step instructions on how to safely take apart the monitor.

Cosmetic, Appearance, and Alignment Service

Software/Firmware Upgrade Process

Details the procedure for updating the monitor's internal software or firmware.

Adjustment and Alignment Procedure

Explains how to adjust picture settings and calibrate the display using the OSD menu.

Circuit Board and Standard Parts Replacement

Electrical Block Diagram

Shows the block diagram of the monitor's main board circuitry.

Troubleshooting Guide

Lists common problems with their potential solutions and diagnostic checks.

Circuit Operation Theory

Explains the fundamental principles and theories behind the monitor's electronic circuits.

Bill of Materials (BOM) List

Lists all components used in the monitor, along with their part numbers and descriptions.

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