Manuals / Acer / Computer Equipment / Computer Monitor

Acer V203W Main Board Diagram, Crystal X401 12MHz, LCD Interface CN101, Key Board Control CN701

Models: V203W

1 47

Download 47 pages 958 b

Page 15

Main Board Diagram

Main Board Diagram

Crystal (X401) 12MHz

LCD Interface (CN101)

Scalar IC NT68625HMFG-128 JS

(Include MCU ,ADC, OSD)

(U401)

Key Board

Control (CN701)

H sync

V sync

RGB

D-Sub

Connector

(CN403)

15

Image 15

Acer V203W manual Main Board Diagram, Crystal X401 12MHz, LCD Interface CN101, Key Board Control CN701

Contents

Acer V203W Service Guide Revision History Service Guide Version and RevisionVersion Release DateConventions CopyrightDisclaimer TrademarksWarning For FCC Certified Models PrefaceSpecial Notes On LCD Monitors PrecautionsTable Of Contents Introduction Monitor FeaturesChart of V203W ChapterStandard Test Conditions Electrical RequirementsLCD Monitor General Specification General Specifications Functional Block Diagram LCD Panel SpecificationTFT LCD Module－Power Specification Backlight Unit Electrical CharacteristicsOptical Specifications Support Timing HorizontalVertical Monitor Block Diagram LCD Interface CN101 Main Board DiagramH sync V sync RGB D-Sub Connector CN403 Crystal X401 12MHzSoftware Flow Chart Remark Main Board Layout Installation Attaching/Removing the Base AttachingRemoving Chapter Operating InstructionsExternal Controls Front panel controlseColor Management OSD How to Adjust a Setting Adjusting the picture Page a. Outline b. The Description For OSD Message OSD MessageLogo How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B FeatureUsing The Right Power Cord Machine Disassembly Disassembly ProcedureChapter 3. Remove the back cover and bezel. Fig 4. Remove the lamp connectors and the screw. Fig6. Remove the screws to remove the main board and power board. Fig Chapter TroubleshootingThis chapter provides troubleshooting information for the V203W 1. No PowerMeasure U702 Pin2=3.3V 2. No Picture LED is orange3. Panel Power Circuit OSD is unstable or not working NG 4. Key BoardIs Key Pad Board connecting normally? Y NG Is Button Switch normally? Connect Key Board Replace Button Switch Replace Key Board5. Power Board No power W/LED No Backlight Connector Information The following figure shows the connector locations on the monitorChapter Exploded Diagram Model V203W ChapterFRU Field Replaceable Unit List Part List PictureDescription Power Board Main Board to CN403 Schematic DiagramMain Board ChapterOUTPUT LVDSU401 NT68625HMFGFor Debug Use Cancel 5V to 1.8V LDO,because the Scaler can support it VIN VOUTVin Vout ADJ Power board Page MENU CONNECTORPOWER LBADC1