Acer 5020 manual LCD Inverter, AC Adaptor, System Power Management

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LCD Inverter

Item

Specification

 

 

Vendor & model name

SUMIDA TWS-449-147

 

 

Brightness conditions

Vadj=3.3V

 

 

Input voltage (V)

8~20

 

 

Input current (mA)

350 (max)

 

 

Output voltage (V, rms)

1600 (no load)

 

 

Output current (mA, rms)

5.6~5.4

 

 

Output voltage frequency (k Hz)

55~58K Hz

 

 

AC Adaptor

Item

Specification

 

 

Input rating

90V AC to 264V AC, 47Hz to 63Hz

 

 

Maximum input AC current

1.7A

 

 

Inrush current

220A@115VAC

 

220A@230VAC

 

 

Efficiency

82% min. @115VAC input full load

 

 

System Power Management

ACPI mode

Power Management

 

 

Mech. Off (G3)

All devices in the system are turned off completely.

 

 

Soft Off (G2/S5)

OS initiated shutdown. All devices in the system are turned off

 

completely.

 

 

Working (G0/S0)

Individual devices such as the CPU and hard disc may be power

 

managed in this state.

 

 

Suspend to RAM (S3)

CPU set power down

 

VGA Suspend

 

PCMCIA Suspend

 

Audio Power Down

 

Hard Disk Power Down

 

CD-ROM Power Down

 

Super I/O Low Power mode

 

 

Save to Disk (S4)

Also called Hibernation Mode. System saves all system states and

 

data onto the disc prior to power off the whole system.

 

 

Chapter 1

27

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Contents Aspire 3020/5020 Series Service GuideRevision History Date Chapter UpdatesCopyright Conventions Preface Page Features System SpecificationsAudio Bolsena Block Diagram System Block DiagramTop View Board LayoutBottom View CRTPcmcia Bluetooth Switch FAN Connector Wireless Switch An Aspire tour Front ViewIcon Description Closed Front View Right View Left ViewRear Panel Bottom Panel IndicatorsIcon Function Description Launch KeysLaunch key Default application TouchpadTouchpad Basics Page Desired Access Num Lock On Num Lock Off Using the KeyboardLock Keys and embedded mumeric keypad Windows KeysKey Icon Description Hot KeysHot Key Icon Function Description Special KeyEuro symbol Processor Hardware Specifications and ConfigurationsSecond Level Cache System MemoryLAN Interface Memory CombinationsIR Interface 0MBWireless Module 802.11b/g optional device Bluetooth InterfaceWireless Module 802.11a/b/g optional device Modem InterfaceDVD-Dual Interface Combo Drive InterfaceRPM ATA/ATAPI-6 ATA-6 ATA/ATA-6 ATA-6Video Interface Audio InterfaceUSB Port Video MemoryIeee 1394 Port Pcmcia PortKeyboard BatteryLCD 15 inch QDIChimei N154I1 LCD 15 inch and 15.4 inchSystem Power Management LCD InverterAC Adaptor Chapter Chapter Bios Setup UtilityNavigating the Bios Utility Parameter Description InformationMain Advanced Security Boot ExitParameter Description Format/Option Parameter Description Options AdvancedIRQ3/IRQ5 DMA3/DMA1Chapter Security Boot ExitParameter Description Option Clear or SetChanging a Password Page +Hard Drive BootExit Info Main Advanced Security BootBios Flash Utility Machine Disassembly and Replacement Before You Begin General InformationDisassembly Procedure Flowchart Screw List Removing the Battery Pack Removing the Memory and the HDD Module Removing the Wireless LAN CardRemoving the LCD Module Removing the ODD ModuleChapter Disassembling the Main Unit Disassembling the Upper Case AssemblyDisassembling the Lower Case Assembly Page Chapter Disassembling the LCD Module Disassembling the HDD Module Disassembling the External ModulesSymptoms 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 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 ProblemsTop View Jumper and Connector LocationsLAN PHY RTL8201CP Mini PCIBottom View Chapter FRU Field Replaceable Unit List Sanyo Battery Pack LI+ 8CELL 2.2MAH Battery Pack LI+ 8CELL 2.2MAHWireless LAN Board 802.11BG Adapter 90W Liteon PA-1900Power Cable 16A 250V 3PIN EUR Cover Switch CablePower Cord 220V 3PIN EUR Power Cord 10A 125V 3PIN USIO Bracket Left Upper Case W/COVER SwitchLower Case W/SPEAKER Speaker LEFT/RIGHTDVD-RW 8X Dual Liteon Sosw Optical Bracket833S W/BEZEL DVD-RW Module 8X Dual DVD-RW 8X Toshiba TS-L532AHDD 40GB Toshiba MK4025GAS HDD 40GB HitachiHDD 40GB 4200PRM Seagate HDD 60GB HitachiDanish Keyboard Darfon NSK-H3M0T Keyboard Darfon NSK-H3M0DTurkish Keyboard Darfon NSK-H3M0L Greek Keyboard Darfon NSK-H3M0RRTC Battery Wireless AntennaLCD Panel W/HINGE Hinge Pack 15.4IN. LEFT/RIGHTSdimm 256M Infineon Sdimm 256M NanyaSdimm 256M Hynix Sdimm 256M SamsungScrw M2.5*3 Wafer NI Scrw M2*4 Wafer NIChapter