Acer AL1912 manual Troubleshooting, Main Procedure

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Chapter 4

Troubleshooting

Main Procedure

41

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Contents Acer AL1912 Service Guide Disclaimer CopyrightPreface ConventionsPage Precautions Special Notes on LCD Monitors Table of contents Scope Comparison Chart of AL1912 m/AL1912Introduction Standard Test Conditions Measuring Equipment Control settingsElectrical Requirements LCD 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 frequencyApple MAC-480 Supported TimingAnalog Video input Connector 15pins mini D-Sub Video input ConnectorSupport Modes 85Hz refresh rate SupportMonitor Block Diagram System Block Diagram Block DiagramMonitor board layout Software flow chart External Controls General InstructionsConnecting the Display System InstallationConnecting the AC Power Connecting the Audio Cable For AL1912 m and AL1912 bmPage Page LCD Horizontally Tilt Base Rotation GAP SpecPlastic Material For TCO99Interface Signals POWER/Inverter BoardInput Specification Condition Min Typ Max Unit Electrical SpecificationAC-DC Electrical specification Protection function AC-DC Output SpecificationFor Fujitsu FLC488SC8V-10 AL1912 m Inverter Electrical SpecificationSafety Connectors / Controls Power ConsumptionConnectors Monitor Control KeysControl panel monitor front panel ControlsOutline Description for control function Main OSD Menu简体中文 Hot-Key MenuFor AL1912 m only Operation Icon Description Adjustment Reset Range ValueOSD Message Outline Description for Hot-Key functionItem of Factory menu LogoBright Auto BalancePlug and play Plug & play DDC2B featureUsing The Right Power Cord General Description White Color TemperatureAudio Technical specification For AL1912 m only Audio amplifierUSE Panasonic VP-7723A Audio Analyzor Electrical characteristics Tamb=25Speakers Disassemble the chassis Disassembly ProcedureDisassemble the base Disassemble the key board Disassemble the power boardDisassemble the main board Disassemble the speakers Main Procedure TroubleshootingPower Circuit and Backlights Troubleshooting Performance Troubleshooting Function Troubleshooting Phonejack stereo Connector InformationFRU Field Replaceable Unit list Model AL1912 ModelAL1912 m Part list Photo Part Name LCD R Page Schematic Diagram Page Page Page Page Page Page Page Page