Acer AL1912 manual Power Circuit and Backlights Troubleshooting

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Power Circuit and Backlights Troubleshooting

42

Image 42

Contents Acer AL1912 Service Guide Copyright DisclaimerConventions PrefacePage Precautions Special Notes on LCD Monitors Table of contents Comparison Chart of AL1912 m/AL1912 IntroductionScope Measuring Equipment Control settings Electrical RequirementsStandard Test Conditions LCD monitor General specification LCD Panel Specification Total output power60 Watt maxLCD Panel Model Hydis LT17E12-200 Sync input Panel Relative Humidity Input SignalsVideo input Interface frequencySupported Timing Apple MAC-480Support Modes Video input ConnectorAnalog Video input Connector 15pins mini D-Sub 85Hz refresh rate SupportMonitor Block Diagram Block Diagram System Block DiagramMonitor board layout Software flow chart General Instructions External ControlsConnecting the AC Power System InstallationConnecting the Display Connecting the Audio Cable For AL1912 m and AL1912 bmPage Page LCD Horizontally Plastic Material GAP SpecTilt Base Rotation For TCO99POWER/Inverter Board Interface SignalsElectrical Specification AC-DC Electrical specificationInput Specification Condition Min Typ Max Unit AC-DC Output Specification Protection functionInverter Electrical Specification SafetyFor Fujitsu FLC488SC8V-10 AL1912 m Connectors Power ConsumptionConnectors / Controls Monitor Control KeysControls Control panel monitor front panelMain OSD Menu Outline Description for control function简体中文 OSD Message Operation Icon Description Adjustment Reset Range ValueHot-Key MenuFor AL1912 m only Outline Description for Hot-Key functionBright LogoItem of Factory menu Auto BalancePlug & play DDC2B feature Using The Right Power CordPlug and play White Color Temperature Audio Technical specification For AL1912 m onlyGeneral Description Electrical characteristics Tamb=25 SpeakersAudio amplifierUSE Panasonic VP-7723A Audio Analyzor Disassembly Procedure Disassemble the baseDisassemble the chassis Disassemble the power board Disassemble the main boardDisassemble the key board Disassemble the speakers Troubleshooting Main ProcedurePower Circuit and Backlights Troubleshooting Performance Troubleshooting Function Troubleshooting Connector Information Phonejack stereoFRU 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