Aspire Digital 7520G, 7220G Index of Symptom-to-FRU Error Message, LCD-Related Symptoms

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Index of Symptom-to-FRU Error Message

LCD-Related Symptoms

Symptom / Error

Action in Sequence

 

 

LCD backlight doesn't work

Enter BIOS Utility to execute “Load Setup Default Settings”, then

LCD is too dark

reboot system.

LCD brightness cannot be adjusted

Reconnect the LCD connectors.

LCD contrast cannot be adjusted

Keyboard (if contrast and brightness function key doesn't work).

 

LCD inverter ID

 

LCD cable

 

LCD inverter

 

LCD

 

System board

 

 

Unreadable LCD screen

Reconnect the LCD connector

Missing pels in characters

LCD inverter ID

Abnormal screen

LCD cable

Wrong color displayed

LCD inverter

 

LCD

 

System board

 

 

LCD has extra horizontal or vertical lines

LCD inverter ID

displayed.

LCD inverter

 

LCD cable

 

LCD

 

System board

 

 

Indicator-Related Symptoms

Symptom / Error

Action in Sequence

 

 

Indicator incorrectly remains off or on, but system

Reconnect the inverter board

runs correctly

Inverter board

 

System board

 

 

Power-Related Symptoms

Symptom / Error

Action in Sequence

 

 

Power shuts down during operation

Power source (battery pack and power adapter). See “Power

 

System Check” on page 73.

 

Battery pack

 

Power adapter

 

Hard drive & battery connection board

 

System board

 

 

The system doesn’t power-on.

Power source (battery pack and power adapter). See “Power

 

System Check” on page 73.

 

Battery pack

 

Power adapter

 

Hard drive & battery connection board

 

System board

 

 

The system doesn’t power-off.

Power source (battery pack and power adapter). See “Power

 

System Check” on page 73.

 

Hold and press the power switch for more than 4 seconds.

 

System board

 

 

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Chapter 4

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Contents Service Guide Aspire 7520/7520G/7220/7220GDate Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen MessagesPreface Page System Specifications FeaturesChapter Storage subsystem Environment System Block Diagram Board Layout Top ViewBottom View PJP1PJP2 Your Acer Notebook Tour Front ViewIcon Description Closed Front View Left View DVIRight View Rear viewIndicators Base viewEasy-Launch Buttons Icon Function DescriptionHDD Launch Button Default application Touchpad BasicsLock Keys and embedded numeric keypad Using the KeyboardDesired Access Num Lock On Num Lock Off Lock Key DescriptionKey Icon Description Windows KeysHot Keys Hot Key Icon Function DescriptionEuro symbol Special KeyUS dollar sign Acer Empowering Technology Empowering Technology passwordAcer eNet Management Page Acer ePower Management AC Mode Adapter modeBattery status Acer ePresentation ManagementAcer eDataSecurity Management Chapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Launching the Acer OrbiCam Using the System Utilities Acer GridVista dual-display compatibleLaunch Manager CPU Fan True Value Table Hardware Specifications and ConfigurationsProcessor Second Level Cache2GB System MemoryMemory Combinations 0MBLAN Interface Bluetooth InterfaceWireless Module 802.11a/b/g/n Modem InterfaceDVD-Dual Interface RPMATA/ATAPI-6 ATA-6 ATA/ATA-6 ATA-6 Pcmcia Port Audio InterfaceUSB Port System Board Major ChipsBattery KeyboardLCD 17 inch System Power Management LCD InverterAC Adapter System Power Management Chapter System Utilities Bios Setup Utility 00 GHzNavigating the Bios Utility Information Parameter DescriptionMain RevParameter Description Format/Option Security RevSetting a Password Clear or SetParameter Description Option Removing a Password Changing a PasswordPage Advanced Acpi S1Acpi S3 Boot Information Main Security Advanced Boot ExitBios Flash Utility Chapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew M2*3NL Screw ListDescription Part Number Screw M2*4Removing the Battery Pack Removing the HDD Module Removing the MemoryRemoving the Wireless LAN Card/Modem Card and TV Tuner Card Removing the System Fan/Thermal Modules/VGA Board and CPU Removing the Keyboard and LCD Module Detach the LCD module from the main unit Disassembling the Main Unit Disassembling the Lower Case Assembly Page Chapter Disassembling the Upper Case Assembly Disassembling the LCD Module Page Disassembling the External Modules Disassembling the HDD ModuleDisassembling the ODD Module Troubleshooting Symptoms Verified Go ToExternal CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkCheck the Power Adapter Check the Battery Pack Touchpad CheckPower-On Self-Test Post Error Message Error Message List Index of Error MessagesError Code List Error Codes Error MessagesCmos Dimm CPU IDNo beep Error Messages FRU/Action in Sequence LCDCRT Phoenix Bios Beep Codes Code Beeps Post Routine DescriptionChapter Code Beeps Post Routine Description Code Beeps Indicator-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Power-Related SymptomsSpeaker-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Power Management-Related SymptomsPeripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems DimmJumper and Connector Locations Bottom View FRU Field Replaceable Unit List Aspire Poyang Exploded Diagram Category Part Name and Description Acer Part NoLED Board W/CABLE Button Board W/CABLEAudio Board USB Board for TVPower Cord EU 3 PIN PAL to Ntsc ConnectorPower Cord US 3 PIN Power Cord AUS 3 PINE1 Ufcpga Intel CPU Merom Dual Core Thermal Door 17 DISCPU/PROCESSOR Intel CPU Merom Dual Core E1 UFCPGA478P Intel CPU Merom Dual CoreDVD Super Multi Drive Sony AD DVD Super Multi Drive PhilipsDS-8A1P 0FA DVD Super Multi Drive Hlds GSA ODD BEZEL-SUPER MultiKeyboard Keyboard 17KB-FV2 105KS White HDD DoorHDD Bracket US International Keyboard 17KB-FV2 105KS WhiteThailand Keyboard 17KB-FV2 106KS White LCD WiresetSWISS/G Keyboard 17KB-FV2 105KS White Turkish Keyboard 17KB-FV2 106KS WhiteSamsung M470T6554EZ3-CE6 Memory 512MB Ddrii 667 Hynix LCD Cover Assy 17 Logo W/MIC WMemory 512MB Ddrii Memory 1GB Ddrii 667 NanyaRemote Controller SC Accessory Remote Controller EURemote Controller TS Remote Controller EN