Removing the RTC Battery | Acer 5241 instruction

Removing the RTC Battery

IMPORTANT:Follow local regulations for disposal of all batteries.

The RTC Battery is soldered to the Mainboard. To replace the battery, solder the new battery to the connections shown.

Chapter 3

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Image 81

Acer 5241 manual Removing the RTC Battery

Contents

Aspire 5241 Series Service Guide Revision History III Copyright Conventions Preface Page Table of Contents Viii Troubleshooting Microsoft Windows 7 Environment Test Jumper and Connector Locations 139 Table of Contents Chapter Features Power subsystem Dimensions and WeightCommunication Privacy control System Block Diagram TBD Your Acer Notebook tour Front ViewIcon Description HDD Closed Front View Left View Rear View Bottom View Right View Icon Function Description Indicators Function Left Button Right Button Main TouchPad TouchPad Basics Lock Keys and embedded numeric keypad Using the Keyboard Key Description Windows Keys Hotkey Icon Function Description Hot Keys Special Key Euro symbolAcer GridVista dual-display compatible US dollar sign Chapter Processor Specification Hardware Specifications and ConfigurationsProcessor Specifications Northbridge Specification System Memory Specification TBD Confirm ATI RS780MN + ATI SB7102GB Wireless Module 802.11b/g/n Specification LAN Interface SpecificationHard Disk Drive Interface Specification Memory Combinations Slot Total Memory RPM Super-Multi Drive SpecificationSata Hlds GT30N LF Audio Amplifier Specification Audio Interface Specification Microphone Specification Speakers SpecificationPower and Keyboard Controller Battery Specification Cell Fan Specification Card Reader SpecificationLvds Chapter Navigating the Bios Utility Bios Setup Utility Information SonydvdParameter Description Parameter Description Format/Option Main Security Disabled orParameter Description Option Clear or Set Removing a Password Setting a Password Changes have been saved Changing a Password IDE1 Sonydvd USB FDD Boot Cmos Exit Bios Flash Utilities DOS Flash Utility \NDWG0\ndwg005a\ WinFlash Utility Remove HDD Password Remove HDD/BIOS Password UtilitiesPassword UnlockHD Cleaning Bios Passwords Removing Bios Passwords Using DMI Tools Using Boot Sequence Selector Output Input Using the LAN MAC Eeprom Utility Disassembly Requirements Machine Disassembly and Replacement Disassembly Process Pre-disassembly InstructionsMain Screw List Quantity Part Number Screw M2*3 External Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Removing the SD Dummy Card Step Size Quantity Screw Type Lower Covers M2.5*8 Removing the Lower Covers Step Size Quantity Screw Type ODD Module M2.5*8 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Bracket M2*3 Removing the Dimm Modules Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3 Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3*3 Main Unit Disassembly Flowchart Main Unit Disassembly Process See Removing the Battery Pack on Removing the Switch Cover Removing the Keyboard Step Size Quantity Screw Type LCD Module M2.5*8 Removing the LCD Module Chapter Page Step Size Quantity Screw Type LCD Module M2.5*8 Step Size Quantity Screw Type Upper Cover M2.5*8 Removing the Upper Cover Disconnect the following four cables from the Mainboard Disconnect a as shown Disconnect C as shown Remove the nine screws on the top panel Step Size Quantity Screw Type Power Board M2*3 Removing the Power Board Removing the Left Speaker Module Step Size Quantity Screw Type Removing the Right Speaker Module Step Size Quantity Screw Type Removing the TouchPad Bracket Step Size Quantity Screw Type TouchPad Bracket M2*3 Step Size Quantity Screw Type Mainboard M2.5*4 Removing the Mainboard Removing the RTC Battery Step Size Quantity Screw Type Thermal Module M2.5*6 Removing the Thermal ModulePage Step Size Quantity Screw Type CPU Fan M2*3 Removing the CPU Fan Lift the CPU Fan clear of the Mainboard as shown Chapter Removing the CPU LCD Module Disassembly Flowchart LCD Module Disassembly Process Step Size Quantity Screw Type LCD Bezel M2.5*6 Removing the LCD Bezel Removing the Camera Module Step Size Quantity Screw Type LCD Panel M2.5*6 Removing the LCD Panel Lift the LCD Panel clear of the module Chapter Step Size Quantity Screw Type LCD Brackets M2*3 Removing the LCD Brackets and FPC CablePage Removing the Antennas Page Chapter Replacing the Antennas LCD Module Reassembly Procedure Locating Pin Page Replacing the LCD Panel Page Replacing the Camera Module Replacing the LCD Bezel Replace the four screws and screw caps provided Replacing the CPU Main Module Reassembly Procedure Replacing the Thermal Module Replacing the CPU Fan Replacing the Mainboard Replacing the TouchPad Bracket Page Replacing the Right Speaker Module Replacing the Left Speaker Module Replacing the Upper Cover Replacing the Power BoardPage 104 Chapter Connect a as shown Connect C as shown Cover Replacing the LCD Module Rear Securing Clips 108 Chapter Page 110 Chapter Replacing the Keyboard Replacing the Hard Disk Drive Module Replacing the Switch CoverPage Replacing the Dimm Modules Replacing the Wlan Module Replacing the Lower Covers Replacing the ODD Module Replacing the SD Dummy Card Replacing the Battery 118 Chapter Symptoms Verified Go To Common Problems Computer Shutsdown Intermittently Power On Issue No Post or Video No Display Issue Abnormal Video Display Random Loss of Bios Settings Built-In Keyboard Failure LCD Failure Internal Speaker Failure TouchPad Failure Sound Problems Microphone ProblemsSelect Set up microphone HDD Not Operating Correctly Select Repair your computerSelect Startup Repair ODD Not Operating Correctly ODD Failure Discs Do Not Play Drive Not Detected Thermal Unit Failure Wireless Function Failure Other Failures External Mouse Failure Intermittent Problems Undetermined ProblemsDimm Post Codes Code Description BDS & Specific action Each Driver entry point used in 80PORT Code Description Each Peim entry point used in 80PORT Each Driver entry point used in 80PORT Ybiosplatform YbiosBlockservice Securityhddpasswordservice Each SmmDriver entry point used in 80PORT JTP1 Top ViewSW2 SW3 JUSB1 JRJ1JUSB2 JMIC1 Power Board SW1ON/OFF LED Clearing Password Check Clearing Password Check and Bios RecoverySteps for Clearing Bios Password Check Clear Cmos Jumper Bios Recovery Boot Block Bios Recovery by Crisis DiskBios Recovery Hotkey Steps for Bios Recovery from USB Storage 144 Chapter FRU Field Replaceable Unit List Main Assembly Acer Aspire 5241 Series Exploded Diagrams Description Acer P/N Base Assembly Rear Assembly Acer Aspire 5241 Series FRU List Case/Cover/Bracket AssemblyDescription AcerPN Board Cable Description AcerPN Sata LF F/WFG001J Sata LF F/W FG011JSata LF F/WFG011J HDD Bracket Assy ODD BEZEL-SUPER Multi ODD BracketKeyboard ANTENNA*2, CCD 0.3M Assy LCD Module 15.6 IN. Wxga Glare WLCD Cover ANTENNA-AUX ANTENNA-MAIN+MIMO Assy LCD Module 15.6 IN. Wxga Glare W/O CCDLCD Bezel for W/ CCD F LCD Cable for W/ CCD F ANTENNA*2, W/O CCD LCD Bezel for W/O CCD FLED Cable for W/O CCD F Assy LED Module 15.6 IN. Wxga Glare W ANTENNA*3 W/O CCDMemory Heatsink SpeakerMiscellaneous Chapter 159 Country Acer Part No Description Appendix aChip SMPM100 UMA SO1GBII6 AAP EMEAcla SO2GBII6 SO2GBII6 SO1GBII6 SO2GBII8UMA SO1GBII6 UMA SO2GBII6 Appendix a 164 Appendix B Test Compatible Components Microsoft Windows 7 Environment Test Type Description CoverAdapter Type Description Audio Codec BatteryALC272X Panasonic Type Description SanyoSimplo Sony CameraCard Reader Hgst SMPM100 Sata LF F/WC60F Seagate Toshiba 320G/P Sata 8MB LF F/WGJ001JSata 8MB LF F/WGJ001J BS,320G/P Sata 8MB LF F/WGJ001J Brand None Acer AUO N15.6WXGAG CMO N15.6WXGAG NLED15.6WXGA Samsung N15.6WXGAG LPL N15.6WXGAG Hynix SO1GBII6 MEM Nanya SO1GBII6 Micron SO1GBII6 Modem Samsung SO1GBII6NB Chipset AMD AMDRS880M NSM8XS9.5 Hlds NSM8XSPanasonic NSM8XS9.5 Plds NSM8XS Toshiba NSM8XS Sony NSM8XSSB Chipset AMD AMDSB710 AMD SB710 VGA Chip WiFi AntennaAMD M92SXT UMA UMA AMD BGN Type Description Wireless LAN Appendix C Online Support Information 188 Bios 190 191 192