Acer 7220, 7520 manual Removing the Keyboard and LCD Module

Page 79

Removing the Keyboard and LCD Module

1.Turn the notebook over.

2.Remove the two screws securing the strip cover from the bottom of the notebook.

3.Detach the strip cover from the front side and remove it.

4.Gently pull up the keyboard to release it from the four snaps as shown.

5.Turn over the keyboard as the image shows. Then disconnect the keyboard cable from the main board.

6.Remove the keyboard from the main unit.

7.Disconnect the LCD cable and microphone cable from the main board.

8.Pull out the wireless LAN antennas free from the main unit as shown.

9.Remove the four screws securing the hinges.

10.Detach the LCD module from the main unit.

Chapter 3

65

Image 79
Contents Aspire 7520/7220 Series Service Guide Revision History Date Chapter UpdatesCopyright Conventions Preface Page Features System SpecificationsChapter Dimensions and weight Ports System compliance System Block Diagram Top View Board LayoutSW1 Bottom ViewPJP1 PJP2Front View Your Acer Notebook TourIcon Description Closed Front View DVI-D Left ViewRear view Right ViewBase view IndicatorsIcon Function Description Easy-Launch ButtonsHDD Touchpad Basics Launch Button Default applicationWindows Keys Using the KeyboardDesired Access Num Lock On Num Lock Off Lock Keys and embedded numeric keypadTechnology on Hot KeysKey Icon Description Hot Key Icon Function DescriptionSpecial Key Euro symbolUS dollar sign Empowering Technology password Acer Empowering TechnologyAcer eNet Management AC Mode Adapter mode Acer ePower ManagementBattery status Acer eAudio Management Acer eDataSecurity Management Acer ePresentation ManagementChapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Getting to know your Acer Crystal Eye webcam Acer GridVista dual-display compatible Using the System UtilitiesLaunch Manager Second Level Cache Hardware Specifications and ConfigurationsProcessor CPU Fan True Value Table0MB System MemoryMemory Combinations 2GBLAN Interface System Vram and Vbios OptionsModem Interface Wireless Module 802.11a/b/g/n Bluetooth InterfaceHard Disk Drive Interface Audio Interface DVD-Dual InterfaceSubwoofer Yes 2W Optional Keyboard USB PortPcmcia Port System Board Major ChipsLCD 15.4 inch BatteryLCD Inverter System Power ManagementAC Adapter 3PLOLL40 System Utilities Bios Setup UtilityNavigating the Bios Utility Information AS7220 Model Bios ScreensUuid Parameter DescriptionInformation MainParameter Description Format/Option Parameter Description Option AdvancedSecurity SecurityClear or Set Setting a PasswordChanging a Password Removing a PasswordPage Boot BootExit BootAS7250/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 Before You Begin General InformationHDD Disassembly Procedure FlowchartScrew ICW50CPUT Hermalscr Screw ListDescription Part Number Screw M2*3NLRemoving the Battery Pack Removing the Memory Removing the HDD ModuleRemoving 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 HDD Module Disassembling the External ModulesDisassembling the ODD Module Page Symptoms Verified Go To TroubleshootingKeyboard or Auxiliary Input Device Check System Check ProceduresExternal Diskette Drive Check External CD-ROM Drive CheckMemory check Power System CheckCheck the Power Adapter Touchpad Check Check the Battery PackPower-On Self-Test Post Error Message Error Codes Error Messages Index of Error MessagesError Code List Error Message ListCPU ID Cmos DimmLCD No beep Error Messages FRU/Action in SequenceCRT Code Beeps Post Routine Description Phoenix Bios Beep CodesChapter Code Beeps Post Routine Description Code Beeps Power-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Indicator-Related SymptomsPower Management-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Speaker-Related SymptomsKeyboard/Touchpad-Related Symptoms Peripheral-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems Jumper and Connector Locations Bottom View FRU Field Replaceable Unit List Category Part Name and Description Acer Part No Aspire 7520/7220 FRU ListHDD Board Bluetooth CableTV Tuner Avermedia 01K A310 DVB-T Button Board W/CABLEPower Cord AUS 3 PIN PAL to Ntsc ConnectorPower Cord US 3 PIN Power Cord EU 3 PINTMDTL56HAX5CT CPU AMD Sempron 512K 1.8GSMS3500HAX4CM TMDTL52HAX5CTDVD Super Multi Drive Pioneer ODD BEZEL-COMBOODD Bracket DVD-RW Drive DVD Super Multi Module TrayHDD Sata 120G 5400RPM Toshiba HDD Sata 120G 5400 RPM HgstSata HTS541612J9SA00 SURUGA-B HDD Sata 120G 5400 RPM SeagateKorean Keyboard 17KB-FV2 106KS White Greek Keyboard 17KB-FV2 106KS WhiteHungarian Keyboard 17KB-FV2 106KS White Italian Keyboard 17KB-FV2 105KS WhiteMIC W/ANTENNA LCD Bezel Assy 17 for CCD LCD WiresetLCD Cover Assy 17 Logo W/MIC W Antenna LCD Cover Assy 17 IMR Logo WRemote Controller EN Accessory Remote Controller EURemote Controller TS Remote Controller SCScrew Thermal PAD-MOSFETName PLATE-AS7220 Name PLATE-AS7520
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