Acer C110 manual Check the Power Adapter

Page 82

Check the Power Adapter

Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power adapter cable. See the following figure

Pin 1: +19 to +20.5V

Pin 2: 0V, Ground

1.If the voltage is not correct, replace the power adapter.

2.If the voltage is within the range, do the following: Replace the System board.

If the problem is not corrected, see “Undetermined Problems” on page 84.

If the voltage is not correct, go to the next step.

NOTE: An audible noise from the power adapter does not always indicate a defect.

3.If the power-on indicator does not light up, check the power cord of the power adapter for correct continuity and installation.

4.If the operational charge does not work, see “Check the Battery Pack” on page 75.

74	TravelMate C110

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Contents Service Guide TravelMate C110Date Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen messagesPreface TravelMate C110 Table of Contents Chapter FRU Field Replaceable Unit List Chapter TroubleshootingChapter Jumper and Connector Locations Appendix C Online Support Information 107 Index 109System Specifications FeaturesExpansion System Block Diagram ICH-4Top View Board LayoutCPU Bottom View Front View Outlook ViewDescription Chapter Left Panel Right Panel Rear Panel Bottom Panel Indicators Icon Function DescriptionLaunch Keys Function DescriptionLock Keys Lock Key DescriptionDesired Access Num Lock On Num Lock Off Embedded Numeric KeypadWindows Keys Key DescriptionHot Keys Icon Function Fn-z Brightness downProcessor Hardware Specifications and ConfigurationsSpecification Second Level CacheLAN Interface Wireless LAN InterfaceMemory Combinations Modem InterfaceCD-ROM 6X Interface BLUETOOTH/MODEM Combo ModuleHard Disk Drive Interface MDCAudio Interface Video Resolutions Mode for both LCD and CRTResolution Bits Colors High color True color Video InterfacePcmcia Port USB PortIrDA Port System Board Major ChipsDC-AC LCD Inverter BatteryKeyboard LcdbatoutTFT Electronic StylusDigitizer Unit WacomAC/DC Adapter Power Management Environmental RequirementsAddress Map Mechanical SpecificationMemory Address Map Memory Address Size FunctionAddress Map Interrupt Channel Function IRQ Assignment MapDMA Channel Assignment DMA Channel FunctionNavigating the Bios Utility Bios Setup UtilityPhoenixBIOS Setup Utility Parameter Description System InformationUuid Main System Settings PhoenixBIOS Setup UtilityParameter Description Parameter Description Options Advanced System SettingsDisabled AutoPhoenixBIOS Setup Utility Advanced IDE Primary MasterDevice Configuration EnabledEPP DMA1Bi-directional ECPEnabled System SecuritySetting a Password Boot Options PhoenixBIOS Setup UtilityExit Setup Multi-Boot Menu Setup Password Load Default Settings System Diagnostic Diskette Bios Flash UtilitySystem Utility Diskette Running PQA Diagnostics Program Screen below appears if you select Multi Test Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart DimmScrew List Removing the Battery Pack Removing the Wireless LAN Module Removing the Hard Disk Drive Module Disassembling the Hard Disk Drive ModuleRemoving the Middle Covers Disassembling the Main UnitRemoving the Keyboard Removing the Internal Memory Module Removing the Dimm Upper PlateRemoving the Modem Board Removing the LCD Module Page Separating the Upper Case from the Lower Case Removing the RTC Battery Removing the SpeakerRemoving the Touch Pad Module Removing the Touch Pad FPCRemoving the LCD Support Knobs Removing the Main Board Removing the Thermal PlateRemoving the Pcmcia Socket Removing the Modem CableDisassembling the LCD Module Removing the LCD BezelRemoving the LCD Hinges with the Center Hinge Removing the Button Board & Inverter BoardRemoving the LCD Removing the Main and Auxiliary AntennaRemoving the Coaxial Cable Bluetooth Antenna Disassembling SOP Removing the Sensor BoardTravelMate C110 Troubleshooting Symptoms Verified Go ToExternal Diskette Drive Check System Check ProceduresExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device Check Power System CheckMemory Check Check 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 IDLCD Error Beep ListNo beep Error Messages FRU/Action in Sequence CRTIndicator-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Power-Related SymptomsSpeaker-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Power Management-Related SymptomsKeyboard/Touchpad-Related Symptoms Peripheral-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems DimmIndex of AFlash Bios Error Message Error Message Action in SequenceIndex of PQA Diagnostic Error Code, Message Error Code Message Action in SequenceTop View PCB 02225-SBSetting SW1 SettingsOFF MINI1 Bottom ViewDM2 PWRSW1TravelMate C110 FRU Field Replaceable Unit List Exploded Diagram Picture Partname Description Power Cord 3PIN Cord 125V UL 3PCDRW/DVD Combo Drive Microphone / Switch Sensor Cable Latch Sensor Switch Chapter Touchpad Board Touchpad SYNAPTICS/TM41P Button Board Barbet TM100 Button BoardAdapter 50W 3PIN HDD Connector 2R 40PINInverter Board 10.4 XGA Adapter Aopen USB Adapter USB CD-ROM AopenSpeaker Speaker W/CABLE A1+ Digitizer Wacom SU-001-A01 Assy Digitizer SU-001 Wireless Antenna 802.11A/B Assy 802.11A/B Antenna A1 PlusMainboard TM110 A1+ W/CPU Name Plate Label Sticker TM100Model BatteryModel Number Definitions Memory102 TravelMate C110 Test Compatible Components Specifications Microsoft Windows XP Environment TestAppendix B 105 Specifications Online Support Information 108 TravelMate C110 Index 110 TravelMate C110 Undetermined Problems Video controller USB Index 111 112 TravelMate C110