Acer 4720Z Disassembling the Upper Case Assembly, Removing the Audio Board, Removing the Speakers

Page 67

Removing the Audio Board

4.Remove the screw fastening the audio board.

5.Remove the audio board.

Disassembling the Upper Case Assembly

Removing the Bluetooth Module

1.Remove the two screws fastening the Bluetooth module.

2.Disconnect the Bluetooth cable to remove the Bluetooth module.

Removing the Speakers

3.Remove the three screws fastening the speakers.

4.Remove the speakers.

Chapter 3

61

Image 67

Contents Aspire 4720G/4720Z/4720/4320 Series Service Guide Revision History Date Chapter UpdatesDisclaimer CopyrightScreen Messages ConventionsPreface Page Features System SpecificationsChapter Communication AudioStorage subsystem Input devicesEnvironment Nestos System Block Diagram System Block DiagramTop View Board LayoutPJ1 Bottom ViewFront View Your Acer Notebook tourIcon Description Closed Front View Left View After prolonged use Right ViewRear view Icon Description Ventilation slotBase view IndicatorsIcon Function Description Easy-Launch ButtonsHDD Touchpad Basics Launch key Default applicationFunction Left Button Main Touchpad Way Scroll Right Button Lock Key Description Using the KeyboardDesired Access Num Lock On Num Lock Off Lock Keys and embedded numeric keypadKey Icon Description Windows KeysTechnology on Hot KeysHot Key Icon Function Description Euro symbolSpecial Key US dollar signEmpowering Technology password Acer Empowering TechnologyAcer eNet Management To create new power plan Acer ePower ManagementAC Mode Adapter mode DC Mode Battery modeBattery status Acer eAudio Management Acer eDataSecurity Management Acer ePresentation ManagementChapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Launching the Acer Crytal Eye webcam Changing the Acer Crytal Eye webcam resolutionUsing the Acer Crytal Eye webcam Getting to know your Acer Cystal Eye webcamAcer 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 802.11b/g, 802.11a/b/g, 802.11a/g/n Bluetooth InterfaceHard Disk Drive Interface Audio Interface DVD-Dual InterfaceUSB Port Keyboard BatteryExpress Card Slot System Board Major ChipsLCD Inverter LCD 14.1 inchAC Adapter System Power ManagementMain Security Boot System Utilities Bios Setup UtilityNavigating the Bios Utility Parameter Description InformationShows extended memory size MainParameter Description Format/Option Security Set Supervisor PasswordClear or Set Setting a PasswordParameter Description Option Changing a Password Removing a PasswordSetup Warning Invalid Password Continue IDE HDD Hitachi HTS541616J9SA00-S BootExit Saving Changes ExitBios Flash Utility Machine Disassembly and Replacement Before You Begin General InformationHDD Disassembly Procedure FlowchartDescription Part Number Screw ListRemoving the Battery Pack Removing the HDD Module Removing the ODD Module Removing the Wireless LAN CardRemoving the Memory Removing the Keyboard and LCD Module Page Disassembling the Main Unit Disassembling the Lower Case AssemblyRemoving the Main Board Removing the Speakers Disassembling the Upper Case AssemblyRemoving the Bluetooth Module Removing the Audio BoardRemoving the Thermal Module and System Fan Removing the Power BoardDisassembling the Main Board Removing the Touchpad CableRemoving the Modem Card Removing the CPUDisassembling the LCD Module Disassembling the HDD Module Disassembling the External ModulesDisassembling the ODD Module Chapter 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 Dimm Undetermined ProblemsTop View Jumper and Connector LocationsBottom View FRU Field Replaceable Unit List Category Part Name and Description Acer Part No Aspire 4720G/4720Z/4720/4320 Exploded DiagramPower Board 90W Wireless LAN Board 802.11BGIntel 3945BG Intel Wireless Wifi Link 4965ANG Power Board 65WBase Door W/RUBBER CASE/COVER/BRACKET Assembly Middle CoverBluetooth Cable TP FFC TP Lower Case Assy W/RUBBER Upper Case Assy W/SPEAKER7530A Vista Tray DVD Super Multi Tray in Philips DVD-RW Drive DVD/RW Super Multi ModuleDVD Super Multi Tray in Hlds GSA-T20N LF W/O Bezel DVD Super Multi Drive33.AHS07.003 White Korean Keyboard 1415KB-FV2 89KS White SWISS/G Keyboard 1415KB-FV2 89KSWhite Portuguese Keyboard 1415KB-FV2 88KS White US International Hebrew Keyboard 1415KB-FV2 88KSLCD Module Assy 14.1 in Wxga W LCD Bracket W/HINGE RCCD Module 0.3M Bison CCD Module 0.3M SuyinAntenna W/O CCD LCD 14.1 IN. Wxga LPL LP141WX1 Antenna W/O CCDLCD Cable W/O CCD Antenna LCD Bezel Assy W/O CCDSO-DIMM DDRII667 512MB Mainboard Mainboard 960GML UMA W/CARDCard Readre Express Card W/O CPU Momery Memory 1GB HYMP512S64CP8-Y5 LF Memory 512MB DDR II 667 Hynix