Acer 7740G manual AC Adaptor, Input 100-240V~ 1.5A, 50-60Hz Output 19V, 65W/90W, 2-pin

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LCD 17.3” inch

Item

Specification

Luminance Uniformity

1.25 max.

 

 

Contrast Ratio

400 typical

 

 

Response Time msec

8

 

 

Nominal Input Voltage VDD

+3.3V

 

 

Viewing Angle (degree)

 

Horizontal: Right/Left

45/45

Vertical: Upper/Lower

15/35

 

 

Temperature Range( ° C)

0 to +50

Operating

-40 to +60

Storage (shipping)

 

 

 

AC Adaptor

 

 

 

Item

Specification

Vendor

DELTA, LITEON, HIPRO

 

 

Input

100-240V~ 1.5A, 50-60Hz/

 

 

Output

19V, 65W/90W, 2-pin

 

 

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

21

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Contents Aspire 7740 and 7740G Series Service Guide Revision History Copyright Problems Gives precautionary measures toProcedures Following conventions are used in this manualPreface Page Table of Contents FRU Field Replaceable Unit List 113 Below is a brief summary of the computer’s many features FeaturesChapter Aspect ratio 17.3 HD+ 1600 xIntegrated Acer Crystal Eye webcam 1024*768 800*600103-/104-/107-key keyboard Touchpad pointing device Environment System Block Diagram Top View Your Acer Notebook tourHotkeys Closed Front View Rear ViewRight View Computer has several easy-to-read status indicators IndicatorsIndicates when the hard disk drive is active Easy-Launch ButtonsF12 Using the KeyboardLock Keys and numeric keypad Open a text editor or word processor Chapter Windows KeysSpecial Key only for certain models Windows Mobility Center Acer GridVista dual-display compatible Using the System UtilitiesChapter Processor Hardware Specifications and ConfigurationsCPU Fan True Value Table System MemoryWireless Module 802.11b/g/n Bluetooth InterfaceMemory Combinations LAN ModuleVendor & model name Hard Disk DriveOptical Disc Drive Blu-Ray Disc Drive US & US+ RW DVDAudio Interface DVD-RW Non Cprm & Cprm DVD+/-R Dual Blu-RayAudio Controller Realtek ALC669X Yes/2.1 2W speakersVideo Memory BatterySystem Board Major Chips KeyboardInput 100-240V~ 1.5A, 50-60Hz Output 19V, 65W/90W, 2-pin System Power ManagementAC Adaptor Chapter System Utilities Bios Setup UtilityNavigating the Bios Utility Parameter Description InformationParameter Description Format/Option MainClear or Set SecuritySetting a Password Page Boot Exit Bios Flash Utility Remove HDD Password Remove HDD PasswordThis section teaches you how to remove HDD password Chapter Disassembly Requirements Machine Disassembly and ReplacementDisassembly Process Pre-disassembly InstructionsGeneral Information Main Screw ListExternal Modules Disassembly Flowchart External Module Disassembly ProcessRemoving the Battery Pack Removing the Optical Drive Module Removing the Back Cover Pry loose and carefully lift and remove the back cover Removing the Hard Disk Drive ModuleRemoving the Wireless LAN Card M2 x L4 Silver Kgf-cm 86.9A552.4R0 Removing the Dimm Module Remove the wireless LAN cardRemove the Dimm modules Chapter Main Unit Disassembly Process Removing the Heatsink Module Chapter Removing the CPU Chapter Removing the Keyboard Removing the Middle CoverChapter Removing the LCD Module Chapter Remove the four screws B from the left and right hinges Carefully remove the LCD module from the base unit Separating the Upper Case from the Lower CasePage Size Quantity Color Torque Gently lift and detach the upper case from the lower case Removing the Touchpad and Button BoardsChapter Page Size Quantity Color Torque Page Detach the touchpad board from the upper case Removing the Left SpeakerRemove the left speaker from the upper board Removing the USB Board ModuleM2.5 x L4 Black Kgf-cm 86.00H59.734 Chapter Remove the USB board module from the lower case Chapter Removing the Modem Board Removing the Bluetooth Module Removing the Microphone Page Remove the microphone from the system Removing the Main BoardPage Remove the one screw G securing the main board in place Removing the Right Speaker Remove the right speaker from the lower case LCD Module Disassembly Process Removing the LCD Bezel Removing the LCD panel with the Brackets Detach the webcam cable from the webcam module Page Removing the LCD Brackets Removing the FPC Cable Removing the Web Camera Page Removing the Antennas Power-On Self-Test Post Error Symptoms Verified Go ToExternal Diskette Drive Check System Check ProceduresExternal Optical Disk Drive Check Keyboard or Auxiliary Input Device CheckMemory Check Power System CheckTouchpad Check Power-On Self-Test Post Error MessageError Code List Error Codes Error Messages Index of Error MessagesSystem board System RAM Failed at offset nnnn Error Message List Error Messages FRU/Action in SequenceSystem board Extended RAM Failed at offset nnnn System board DMA Test FailedFixed Disk n None Invalid System Configuration Data Fail-Safe Timer NMI FailedBlinking cursor shown on LCD during System board Code Beeps Post Routine Description Phoenix Bios Beep CodesSetup Code Beeps Post Routine Description 100 Chapter Power-Related Symptoms Symptom / Error Action in Sequence Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Symptom / Error Action in Sequence Memory-Related Symptoms Symptom / Error Action in Sequence PCMCIA-Related Symptoms Symptom / Error Action in SequenceSpeaker-Related Symptoms Symptom / Error Action in Sequence Symptom / Error Action in SequencePage Modem-Related Symptoms Symptom / Error Action in Sequence Intermittent ProblemsUndetermined Problems Chapter 105 Code ConnectorMain Board DC-in cable connector Heatsink fan cable connectorOptical disk drive connector HDD1 connectorGap name in Aspire 7740/7740G Series is G29 Clearing Password Check and Bios RecoveryBios Recovery by Crisis Disk Page 110 Chapter Page 112 Chapter FRU Field Replaceable Unit List Exploded Diagram Aceraspire 7740 UMACBKJV70CP no LX.PLY02.025/44 Aspire 7740/7740G Series FRU ListCables CASE/COVER/BRACKET Combo Module Heatsink Keyboard Standard Black Texture Russian Mainboard Speaker 124 Chapter Appendix a 125 Appendix aAppendix a 126 Aspire 7740/7740G SeriesNBDCB4XS Appendix a 127128 Appendix a Appendix a 129 130 Appendix a Appendix a 131 132 Appendix a Appendix a 133 134 Appendix a Appendix a 135 136 Appendix a Appendix a 137 138 Appendix a Appendix a 139 140 Appendix a Appendix a 141 142 Appendix a 143 Appendix a Appendix a 144 145 Appendix a Appendix a 146 Appendix B Test Compatible ComponentsHardware Device Tests Access PointAppendix B 149 Device name Vendor Wireless Printer150 Appendix C Online Support Information152 Index LCD bezel removing 80 LCD Brackets removing
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