Acer 4220G, 4520G manual Disassembling the Main Unit, Disassembling the Lower Case Assembly

Page 69

Disassembling the Main Unit

Separate the Main Unit Into the Upper and the Lower Case Assembly

1.Remove the ten screws fastening the lower case assembly to the upper case assembly.

2.Turn the notebook over and remove the three screws fastening the power board.

3.Remove the power board from the main unit.

4.Remove the eight screws fastening the upper case assembly to the lower case assembly.

5.Disconnect the touchpad, speaker and bluetooth cables.

6.Gently lift off the upper case assembly from the lower case assembly

Disassembling the Lower Case Assembly

Removing the Main Board

1.Remove the two screws fastening the main board to the lower case.

2.Disconnect both ends of the audio board cable as shown.

3.Remove the main board.

Chapter 3

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Contents Aspire 4520/4220/4520G/4220G Series Service Guide Revision History Date Chapter UpdatesCopyright Conventions Preface Page System Specifications FeaturesChapter Storage subsystem AudioInput devices CommunicationPage Environment Mono System Block Diagram System Block DiagramTop View Board LayoutBottom View Your Acer Notebook tour Front ViewIcon Description Closed Front View Left View Rear view Right ViewBase view IndicatorsEasy-Launch Buttons Icon Function DescriptionHDD Touchpad Basics Launch key Default applicationChapter Desired Access Num Lock On Num Lock Off Using the KeyboardLock Keys and embedded numeric keypad Windows KeysKey Icon Description Hot KeysHot Key Icon Function Description Technology onEuro symbol Special KeyUS dollar sign Acer Empowering Technology Empowering Technology passwordAcer eNet Management Chapter AC Mode Adapter mode Acer ePower ManagementDC Mode Battery mode To create new power planAcer ePresentation Management Battery statusAcer eDataSecurity Management Chapter Acer eLock Management Acer eRecovery Management Getting to know your Acer OrbiCam Acer eSettings ManagementChanging the Acer OrbiCam resolution Using the Acer OrbiCam as webcamLaunching the Acer OrbiCam Acer GridVista dual-display compatible Using the System UtilitiesLaunch Manager Processor Hardware Specifications and ConfigurationsCPU Fan True Value Table Second Level CacheMemory Combinations System Memory2GB 0MBWireless Module 802.11a/b/g/n Bluetooth InterfaceLAN Interface Modem InterfaceAudio Interface DVD-Dual InterfacePcmcia Port USB PortSystem Board Major Chips KeyboardLCD 14.1 inch BatterySystem Power Management LCD InverterAC Adaptor Chapter 2000 MHz System Utilities Bios Setup UtilityNavigating the Bios Utility Parameter Description InformationMain Boot Power ExitParameter Description Format/Option Security Set Supervisor PasswordSetting a Password Clear or SetParameter Description Option Changing a Password Removing a PasswordPage Power Exit BootPower DipmHipm Parameter Description Format/Option Exit Information Main Security Boot PowerBios Flash Utility Machine Disassembly and Replacement Before You Begin General InformationHDD Disassembly Procedure FlowchartDescription Part Number Screw ListScrew M2*3NL Screw M2*4Removing the Battery Pack Removing the ODD Module Removing the HDD ModuleChapter Removing the Memory Removing the Wireless LAN CardRemoving the Keyboard and LCD Module Detach the LCD module from the main unit Disassembling the Lower Case Assembly Disassembling the Main UnitRemoving the Main Board Removing the Bluetooth Module Disassembling the Upper Case AssemblyRemoving the Audio Board Removing the SpeakersRemoving the Touchpad Cable Disassembling the Main BoardRemoving the USB Board Removing the MDC Card ModuleRemoving the CPU Removing the Thermal Module and System FanDisassembling the LCD Module Disassembling the External Modules Disassembling the HDD ModuleDisassembling the ODD Module Symptoms Verified Go To TroubleshootingExternal Diskette Drive Check System Check ProceduresExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device CheckMemory check Power System CheckCheck the Power Adapter Touchpad Check Check the Battery PackPower-On Self-Test Post Error Message Error Code List Index of Error MessagesError Message List Error Codes Error MessagesCPU ID Cmos DimmNo beep Error Messages FRU/Action in Sequence LCDCRT Code Beeps Post Routine Description Phoenix Bios Beep CodesChapter Code Beeps Post Routine Description Code Beeps LCD-Related Symptoms Index of Symptom-to-FRU Error MessageIndicator-Related Symptoms Power-Related SymptomsMemory-Related Symptoms PCMCIA-Related SymptomsSpeaker-Related Symptoms Power Management-Related SymptomsPeripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Dimm Undetermined ProblemsJumper and Connector Locations Bottom View FRU Field Replaceable Unit List Category Part Name and Description Acer Part No Aspire Mono Exploded DiagramPower Cordit 1.8M 3PBLACK Power CORDSWI1.8M 3PBLACKPower CORDS.A 1.8M 3BLACK Power Cord US 3PIN RohsCable Lower Case W/ SPEAKER, Modem Upper Case for FP W/TP, TPCable Base ODD CAP Base Duck RubberDVD/CDRW Combo Drive 24X Sony DVD/CDRW Combo ModuleCRX880A LF W/O Bezel DVD/CDRW Combo Drive 24X Hlds GCC-T10N Pata LF W/O Bezel ODD BracketSata LF F/W3.ALD WD1200BEVS-22RST0 ML80 Sata LFHTS541616J9SA00 SURUGA-B LF F WD1600BEVS-22RST0 ML80 Sata LFCategory Part Name and Description Acer Part No Wire W/0.3M CCD Bison LCD Cover Assy W/ANTENNA Antenna 3 Wire W/0.3M CCD LCD 12.1 IN. TFT Wxga NON-GLAREWire W/0.3M CCD Suyin LCD Bezel Assy W/LOGO W/CCD LCD LCD Module 12.1 Wxga WLCD Bracket W/HINGE L Antenna 2 Wire W/CCD LCD 12.1 IN. TFT Wxga NON-GLARELCD Bracket W/HINGE R LCD Module 12.1 Wxga W/OAntenna 2 Wire W/CCD LCD 12.1 IN. TFT Wxgag Glare AU Antenna 3 Wire W/ CCD LCD 12.1 IN. TFT Wxgag Glare AULCD Module 12.1 Wxgag W LCD Module 12.1 Wxgag W/OCard Reader W/O CPU Memory 512MB Hynix Ddrii 667 512MB Mainboard Mainboard 965GM Sata UMA WHYMP564S64CP6-Y5 LF 512MB Nanya Ddrii 667 512MB NT512T64UH8B0FN-3C LFScrew M2.0*6-I-BNINYLOK Screw M2.0*1.5-INIANTI-LOOSEScrew M2*5-IBZNNYLOK
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4220G, 4520G specifications

The Acer 4520G, 4220, and 4220G laptops are part of Acer’s previously popular Aspire series, known for delivering dependable performance and a range of features suitable for both casual users and professionals. Despite being older models, they still possess characteristics that can meet the demands of various computing needs.

First and foremost, these laptops are powered by AMD Turion 64 X2 processors, which provide a dual-core architecture, enabling them to handle multitasking effectively. This feature is particularly beneficial for users who engage in simultaneous applications, such as web browsing while streaming videos or editing documents. The efficient CPU performance ensures that the laptops maintain responsiveness during operation.

A notable advancement in the 4520G variant is the inclusion of a dedicated NVIDIA GeForce 8400M GS graphics card. This feature significantly enhances the graphical performance, making it suitable for light gaming and graphic-intensive applications. The integrated graphics in the 4220 and 4220G models, while adequate for everyday tasks, do not support demanding graphics as effectively.

Memory configurations for these models typically offer up to 4GB of RAM, which allows for smooth operation of everyday software and moderate gaming. Also, the inclusion of a 15.4-inch screen with a resolution of 1280x800 pixels provides a decent viewing experience suitable for both work and media consumption.

Storage options generally include a 120GB to 250GB hard drive, providing ample space for documents, applications, and media files. The laptops feature DVD-RW drives, enabling users to read and write CDs and DVDs, which is advantageous for data backup and media creation.

Connectivity options are also well-equipped, including several USB ports, HDMI output, and an Ethernet port for reliable internet connections. Wireless connectivity options, like Wi-Fi and Bluetooth, ensure that users can connect easily to networks and devices.

In terms of build, these laptops feature a sturdy design that, although bulkier than contemporary models, offers durability. The keyboard layout is comfortable for typing, and the touchpad provides decent responsiveness.

Overall, the Acer 4520G, 4220, and 4220G laptops present a blend of performance, reliability, and essential features. While they may not compete with the latest technology, they can still serve users who need a functional laptop for basic computing tasks.