Acer B243W manual Machine Disassembly, Disassembly Procedure, Chapter

Page 28

Machine Disassembly

Machine Disassembly

Chapter 3

This chapter contains step-by-step procedures on how to disassemble the monitor for maintenance.

Disassembly Procedure

1. Remove the hinge assembly as the following indicator. (Fig 1~2)

Fig 1

Fig 2 28

Image 28

Contents Acer B243W Service Guide Service Guide Version and Revision VersionRelease Date Revision HistoryCopyright DisclaimerTrademarks ConventionsPreface Warning For FCC Certified ModelsPrecautions Special Notes On LCD MonitorsTable Of Contents Monitor Features Chart of B243WChapter IntroductionElectrical Requirements Standard Test ConditionsLCD Monitor General Specification General Specifications LCD Panel SpecificationMechanical Information Electrical Characteristics Optical Specifications Horizontal Support Timing VESA MODESVertical Monitor Block Diagram Main Board Diagram CrystalSoftware Flow Chart Remark Main Board Layout SymbolInstallation Height Adjustment Screen Position AdjustmentAttaching/Removing The Base Swivel TiltMonitor Pivot External Controls Operating InstructionsFront panel controls eColor Management OSD How to Adjust a Setting Adjusting the picture Page How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature LogoUsing The Right Power Cord Machine Disassembly Disassembly Procedure3. Release the shield inverter and lamp connectors. Fig Page Page This chapter provides troubleshooting information for the B243W Troubleshooting1. No Power 2. No Picture LED is orange 3. White screen 4. Key Board Is Key Pad Board connecting normally? Y NG Is Button Switch normally?Connect Key Board Replace Button Switch Replace Key Board OSD is unstable or not working NG5. Adapter/Inverter Board No power W/LED No Backlight The following figure shows the connector locations on the monitor Connector InformationD-SUB connector DVI Connector Chapter Exploded Diagram Model B243WFRU Field Replaceable Unit List Part List PictureAdapter Board Inverter Board Main Board USB Board LVDS Cable Schematic Diagram Main BoardPOWER INPUT FOR SCALER POWERDVICONNECTMCU CABLECONNECTION CABLE NOTMST9200A-LF REVC1M X 16bit =512K X 2Bank For HDCP AUDIOMUTEAUDIO AUDIOSTDBY HICONNECT LVDS INTERFACECN703 CONNAdapter board ON/OFFT5A 250VAC PSONTHE PIN ADDED FERRITE BEAD THE SOLUTION FOR EMI 400VIn SVT Add it Improve EMIOVP Over Voltage Protation Inverter boardQ810 C829 CONNECTOR POWERPOWERKey POWER KeyPower EEPROM/ConfigPower Regulator Upstream