Acer 7520 Index of Symptom-to-FRU Error Message, LCD-Related Symptoms, Indicator-Related Symptoms

Page 102

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 77.

 

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 77.

 

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 77.

 

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

 

System board

 

 

88

Chapter 4

Image 102
Contents Aspire 7520/7220 Series Service Guide Date Chapter Updates Revision HistoryCopyright Conventions Preface Page System Specifications FeaturesChapter Dimensions and weight Ports System compliance System Block Diagram Board Layout Top ViewPJP2 Bottom ViewPJP1 SW1Your Acer Notebook Tour Front ViewIcon Description Closed Front View Left View DVI-DRight 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 Windows KeysHot Key Icon Function Description Hot KeysKey Icon Description Technology onEuro symbol Special KeyUS dollar sign Acer Empowering Technology Empowering Technology passwordAcer eNet Management Acer ePower Management AC Mode Adapter modeBattery status Acer eAudio Management Acer ePresentation Management Acer eDataSecurity ManagementChapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Getting to know your Acer Crystal Eye webcam 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 0MBSystem Vram and Vbios Options LAN InterfaceModem Interface Bluetooth Interface Wireless Module 802.11a/b/g/nHard Disk Drive Interface DVD-Dual Interface Audio InterfaceSubwoofer Yes 2W Optional System Board Major Chips USB PortPcmcia Port KeyboardBattery LCD 15.4 inchSystem Power Management LCD InverterAC Adapter System Utilities Bios Setup Utility 3PLOLL40Navigating the Bios Utility AS7220 Model Bios Screens InformationParameter Description UuidMain InformationParameter Description Format/Option Advanced Parameter Description OptionSecurity SecuritySetting a Password Clear or SetRemoving a Password Changing a PasswordPage Boot BootBoot ExitAS7250/G Model Bios Screens Uuid Main Parameter Description Format/Option Security HDD 0 Password Shows the setting of the hard disk 0 password Removing a Password Page Boot Exit Chapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew M2*3NL Screw ListDescription Part Number Screw ICW50CPUT HermalscrRemoving 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 Disassembling the Main Unit Disassembling the Lower Case Assembly Chapter Chapter Disassembling the Upper Case Assembly Disassembling the LCD Module Chapter Disassembling the External Modules Disassembling the HDD ModuleDisassembling the ODD Module Page 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 Jumper and Connector Locations Bottom View FRU Field Replaceable Unit List Aspire 7520/7220 FRU List Category Part Name and Description Acer Part NoDVB-T Button Board W/CABLE Bluetooth CableTV Tuner Avermedia 01K A310 HDD BoardPower Cord EU 3 PIN PAL to Ntsc ConnectorPower Cord US 3 PIN Power Cord AUS 3 PINTMDTL52HAX5CT CPU AMD Sempron 512K 1.8GSMS3500HAX4CM TMDTL56HAX5CTDVD-RW Drive DVD Super Multi Module Tray ODD BEZEL-COMBOODD Bracket DVD Super Multi Drive PioneerHDD Sata 120G 5400 RPM Seagate HDD Sata 120G 5400 RPM HgstSata HTS541612J9SA00 SURUGA-B HDD Sata 120G 5400RPM ToshibaItalian Keyboard 17KB-FV2 105KS White Greek Keyboard 17KB-FV2 106KS WhiteHungarian Keyboard 17KB-FV2 106KS White Korean Keyboard 17KB-FV2 106KS WhiteAntenna LCD Cover Assy 17 IMR Logo W LCD WiresetLCD Cover Assy 17 Logo W/MIC W MIC W/ANTENNA LCD Bezel Assy 17 for CCDRemote Controller SC Accessory Remote Controller EURemote Controller TS Remote Controller ENName PLATE-AS7520 Thermal PAD-MOSFETName PLATE-AS7220 Screw
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