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Computer Monitor
Acer
V203W manual Power board
Models:
V203W
1
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47 pages
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Troubleshooting
Specification
Electrical Characteristics
Install
Chart of V203W
Is Key Pad Board connecting normally? Y NG Is Button Switch normally?
Machine Disassembly
How to Adjust a Setting
How to
Precautions
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Image 45
Power board
45
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Image 45
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Page 46
Contents
Acer V203W Service Guide
Version
Service Guide Version and Revision
Release Date
Revision History
Disclaimer
Copyright
Trademarks
Conventions
Warning For FCC Certified Models
Preface
Special Notes On LCD Monitors
Precautions
Table Of Contents
Chart of V203W
Monitor Features
Chapter
Introduction
Standard Test Conditions
Electrical Requirements
LCD Monitor General Specification
General Specifications Functional Block Diagram
LCD Panel Specification
TFT LCD Module－Power Specification Backlight Unit
Electrical Characteristics
Optical Specifications
Support Timing
Horizontal
Vertical
Monitor Block Diagram
H sync V sync RGB D-Sub Connector CN403
Main Board Diagram
Crystal X401 12MHz
LCD Interface CN101
Software Flow Chart
Remark
Main Board Layout
Installation
Attaching/Removing the Base
Attaching
Removing
External Controls
Operating Instructions
Front panel controls
Chapter
eColor Management OSD
How to Adjust a Setting
Adjusting the picture
Page
a. Outline b. The Description For OSD Message
OSD Message
Logo
How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature
Using The Right Power Cord
Machine Disassembly
Disassembly Procedure
Chapter
3. Remove the back cover and bezel. Fig
4. Remove the lamp connectors and the screw. Fig
6. Remove the screws to remove the main board and power board. Fig
This chapter provides troubleshooting information for the V203W
Troubleshooting
1. No Power
Chapter
Measure U702 Pin2=3.3V
2. No Picture LED is orange
3. Panel Power Circuit
Is Key Pad Board connecting normally? Y NG Is Button Switch normally?
4. Key Board
Connect Key Board Replace Button Switch Replace Key Board
OSD is unstable or not working NG
5. Power Board No power
W/LED No Backlight
Connector Information
The following figure shows the connector locations on the monitor
Chapter
Exploded Diagram Model V203W
Chapter
FRU Field Replaceable Unit List
Part List
Picture
Description
Power Board Main Board
Main Board
Schematic Diagram
Chapter
to CN403
OUTPUT
LVDS
U401
NT68625HMFG
For Debug Use
Cancel 5V to 1.8V LDO,because the Scaler can support it
VIN VOUT
Vin Vout ADJ
Power board
Page
POWER
CONNECTOR
LBADC1
MENU
