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Acer AL1912 manual Troubleshooting, Main Procedure, Chapter

Models: AL1912

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Chapter 4

Troubleshooting

Main Procedure

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Acer AL1912 manual Troubleshooting, Main Procedure, Chapter

Contents

Please refer to http//csd.acer.com.tw Acer AL1912 Service GuideDisclaimer CopyrightPreface ConventionsWARNING FOR FCC CERTIFIED MODELS PRECAUTIONS SPECIAL NOTES ON LCD MONITORS Chapter 5 Connector Information …………………………………………………………………..45 Chapter 3 Machine Disassembly and ReplacementChapter 7 Schematic Diagram ….……………………………………………………………………..52 Chapter 2 Operating Instruction ………………………………………………..……………………..30Comparison Chart of AL1912 m/AL1912 Monitor FeatureChapter INTRODUCTIONStandard Test Conditions ELECTRICAL REQUIREMENTSMEASUREMENT SYSTEMS 1 tesla = 10,000 gauss cm = in x lb = kg xLCD monitor General specification LCD Panel Model Hydis LT17E12-200 LCD Panel SpecificationTotal output power60 Watt max Video input Panel Relative Humidity Input SignalsSync input Interface frequencySupported Timing Support Modes Video input Connector85Hz refresh rate Support Analog Video input Connector 15pins mini D-SubPower board MONITOR BLOCK DIAGRAMSystem Block Diagram BLOCK DIAGRAMLVDS Signals MVPRL including ADC Scaling LVDS And OSD functionLABEL Monitor board layoutComponent LABELSoftware flow chart AL1912 m AL1912 General InstructionsConnecting the Display System InstallationConnecting the AC Power Connecting the Audio Cable For AL1912 m and AL1912 bmLeft and Right Top and BottomBack cover & Bezel concavity Back cover & Bezel concavityTop and Bottom Base & Neck concavity 0mm ≤ C ≤ 0.6mmLeft and Right Back cover & Bezel stepLCD Horizontally Plastic Material GAP SpecTilt Base Rotation Interface Signals POWER/Inverter BoardFeatures Output Connector & Pin AssignmentAC-DC Electrical specification Electrical SpecificationAC-DC Output Specification Protection functionFor Fujitsu FLC488SC8V-10 AL1912 m Inverter Electrical SpecificationSAFETY CONNECTORS / CONTROLS Power ConsumptionConnectors Monitor Control KeysCONTROLS Operating InstructionsControl panel monitor front panel ChapterOutline The description for control function Main OSD Menu简体中文繁體中文OSD Message Hot-Key MenuFor AL1912 m onlyOutline The description for Hot-Key function Outline The description for OSD MessageItem of Factory menu LOGO1 Bright 2 Auto BalancePlug and play Plug & play DDC2B featureUsing The Right Power Cord General Description Audio Technical specification For AL1912 m onlyWhite Color Temperature Audio amplifierUSE Panasonic VP-7723A Audio Analyzor Electrical characteristics Tamb=25Speakers Disassembly Procedure Machine Disassembly and ReplacementDisassemble the base Disassemble the chassisDisassemble the key board Disassemble the power boardDisassemble the main board 1. Remove the two screws to release line and VK board from bezel Disassemble the speakers2. Remove the two screws to release line and chassis from bezel 3. Remove the four screws from bezelChapter TroubleshootingMain Procedure Power Circuit and Backlights Troubleshooting Performance Troubleshooting Function Troubleshooting Phonejack stereo Connector InformationVideo input Connector ChapterChapter FRU Field Replaceable Unit listModel AL1912 ModelAL1912 m Part Name Part listPhoto 599 453AAP30021 Power Board to MB cable598 453AAP30031 Inverter BoardDC020162600 Panel to MB cableFunction Board 599 454AAPE0001Chapter Schematic DiagramPage Page Page Page Page Page Page Page