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V203W manual Electrical Characteristics, TFT LCD Module－Power Specification Backlight Unit
Models:
V203W
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47 pages
958 b
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Troubleshooting
Specifications
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
Page 11
Image 11
Electrical Characteristics
TFT LCD Module
－
Power Specification
Backlight Unit
11
Page 10
Page 12
Page 11
Image 11
Page 10
Page 12
Contents
Acer V203W Service Guide
Revision History
Service Guide Version and Revision
Version
Release Date
Conventions
Copyright
Disclaimer
Trademarks
Warning For FCC Certified Models
Preface
Special Notes On LCD Monitors
Precautions
Table Of Contents
Introduction
Monitor Features
Chart of V203W
Chapter
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
Vertical
Support Timing
Horizontal
Monitor Block Diagram
LCD Interface CN101
Main Board Diagram
H sync V sync RGB D-Sub Connector CN403
Crystal X401 12MHz
Software Flow Chart
Remark
Main Board Layout
Installation
Removing
Attaching/Removing the Base
Attaching
Chapter
Operating Instructions
External Controls
Front panel controls
eColor Management OSD
How to Adjust a Setting
Adjusting the picture
Page
a. Outline b. The Description For OSD Message
OSD Message
Using The Right Power Cord
Logo
How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature
Chapter
Machine Disassembly
Disassembly Procedure
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
Chapter
Troubleshooting
This chapter provides troubleshooting information for the V203W
1. No Power
Measure U702 Pin2=3.3V
2. No Picture LED is orange
3. Panel Power Circuit
OSD is unstable or not working NG
4. Key Board
Is Key Pad Board connecting normally? Y NG Is Button Switch normally?
Connect Key Board Replace Button Switch Replace Key Board
5. Power Board No power
W/LED No Backlight
Chapter
Connector Information
The following figure shows the connector locations on the monitor
FRU Field Replaceable Unit List
Exploded Diagram Model V203W
Chapter
Description
Part List
Picture
Power Board Main Board
to CN403
Schematic Diagram
Main Board
Chapter
OUTPUT
LVDS
For Debug Use
U401
NT68625HMFG
Vin Vout ADJ
Cancel 5V to 1.8V LDO,because the Scaler can support it
VIN VOUT
Power board
Page
MENU
CONNECTOR
POWER
LBADC1
