BenQ LCD G2320HD - User Manual

1
Applicable Country & Regions: China
Service Manual for BenQ:
LCD G2320HD
(D-SUB +DVI-D +HDMI
+Black Bezel)
Product Service Manual – Level 1~2
Version: 1st
Date:04-28-2009
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 (April, 2009)
©
Copyright BenQ Corporation 2009. All Right Reserved.

BenQ LCD G2320HD Specifications

General

Screen Size	23 inches
Resolution	1920 x 1080
Panel Type	TN
Aspect Ratio	16:9
Brightness	250 cd/m²
Contrast Ratio	1000:1
Dynamic Contrast Ratio	40000:1
Response Time	5 ms
Viewing Angles	170° horizontal, 160° vertical
Connectivity	VGA, HDMI

Summary

Introduction

Safety Notice

Essential safety precautions and guidelines for servicing the product.

Related Service Information

Level 1 Cosmetic; Appearance; Alignment Service

Software;Firmware Upgrade Process

Step-by-step process for upgrading the monitor's software or firmware.

DDC Instruction

DDC Data Re-programming

Procedure for re-programming DDC data for replaced EEPROMs.

Adjustment; Alignment Procedure

Adjusting the Picture

Factory OSD Menu

Level 2 Circuit Board and Standard Parts Replacement

Product Exploded View

Product Disassembly

Remove Main Board and Power Board

Block Diagram

Schematic Diagram

Key Board

Troubleshooting Guide

Frequently Asked Questions (FAQ)

Answers to common issues like blurred images, pixel errors, and color faults.

Main Board Troubleshooting

No Power Troubleshooting

Troubleshooting flowchart for issues when the monitor does not power on.

No Picture Troubleshooting

Troubleshooting flowchart for when the screen displays no image.

White Screen Troubleshooting

Troubleshooting flowchart for scenarios where the screen appears white.

Power Board Troubleshooting

Power Board No Power

Troubleshooting steps specific to power issues on the power board.

No Backlight Troubleshooting

Troubleshooting steps for backlight failures or LED indicator issues.

Keypad Board Troubleshooting

PCB LAYOUT

Appendix 1 - Screw List; Torque