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Acer Aspire 4920 Service Manual

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Acer
Aspire 4920
Service Guide
Service guide files and updates are available
on the ACER/CSD web; for more information,
please refer to
http://csd.acer.com.tw
PRINTED IN TAIWAN

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  • Page 1 Acer Aspire 4920 Service Guide Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN...
  • Page 2: Revision History

    Revision History Please refer to the table below for the updates made on Aspire 4920 service guide. Date Chapter Updates...
  • Page 3 Copyright Copyright © 2007 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without...
  • Page 4 Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
  • Page 5 Conventions The following conventions are used in this manual: SCREEN Denotes actual messages that appear on screen. MESSAGES NOTE Gives bits and pieces of additional information related to the current topic. WARNING Alerts you to any damage that might result from doing or not doing specific actions.
  • Page 6 DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines.
  • Page 7: Table Of Contents

    Table of Contents System Specification Features Your Acer Notebook Tour Front View Closed Front View Left View Right View Rear Panel Bottom Panel Indicators Easy-launch Buttons MediaTouch Keys Touchpad Touchpad Basics Using the Keyboard Lock Keys and Embedded Numeric Keypad...
  • Page 8 External Module Disassembly Process External Modules Disassembly Flowchart Removing the Battery Pack Removing the SD Dummy Card Removing the Express Dummy Card Removing the Lower Cover Removing the DIMM Removing the WLAN Board Module Removing the Hard Disk Drive Module Removing the Optical Drive Module Main Unit Disassembly Process Main Unit Disassembly Flowchart...
  • Page 9 Board Layout Top View Bottom View FRU (Field Replaceable Unit) List Aspire 4920 Exploded Diagram Aspire 4920 FRU List Model Definition and Configuration Aspire 4920 Test Compatible Components Microsoft® Windows® Vista™ Compatibility Test Online Support Information...
  • Page 11: System Specification

    Wi-Fi CERTIFIED network connection, supporting Acer SignalUp wireless technology Display and Graphics ™ 14.1" WXGA high brightness (200-nits) Acer CrystalBrite TFT LCD, 1280 x 800 pixel resolution, ™ supporting simultaneous multi-window viewing via Acer GridVista 16 ms response time ™...
  • Page 12: Input Devices

    Acer PureZone technology with two built-in stereo microphones featuring beam forming, echo cancellation, and noise suppression technologies Input Devices 88-/89-/93-key keyboard, with inverted "T" cursor layout; 2.5 mm (minimum) key travel Seamless touchpad with 4-way scroll button ® 12 function keys, four cursor keys, two Windows...
  • Page 13: Dimensions And Weight

    2.5-hour rapid charge system-off 3.5-hour charge-in-use ™ 3-pin 90 W AC adapter supporting Acer QuicCharge technology (for selected models): 80% charge in 1 hour 2-hour rapid charge system-off 3-hour charge-in-use Dimensions and weight Width: 344 mm (13.5 inches) Depth: 246 mm (9.7 inches) Height: 37/42 mm (1.45/1.65 inches)
  • Page 14: Your Acer Notebook Tour

    For entering data into your computer. Speakers Left and right speakers deliver stereo audio output. MediaTouch keys Touch-sensitive keys which function as play/pause, stop, previous, next and record. Acer Arcade For use with Acer Arcade media playing program. Chapter 1...
  • Page 15: Closed Front View

    Closed Front View Icon Item Description Unlimited volume control Adjust the volume of the audio-out. wheel Latch Locks and releases the lid. CIR receiver Receives signals from a remote control. Line-in jack Accepts audio line-in devices (e.g., audio CD player, stereo walkman, mp3 player) Microphone jack Accepts inputs from external microphones.
  • Page 16: Left View

    Left View Icon Item Description Kensington lock slot Connects to a Kensington-compatible computer security lock. External display (VGA) Connects to a display device port (e.g., external monitor, LCD projector). Modem (RJ-11) port Connects to a phone line. Ethernet (RJ-45) port Connects to an Ethernet 10/100/1000-based network.
  • Page 17: Right View

    Right View Icon Item Description Optical drive Internal optical drive; accepts CDs or DVDs. Optical disk access Lights up when the optical drive is active. indicator Optical drive eject button Ejects the optical disk from the drive. Emergency eject hole Ejects the optical drive tray when the computer is turned off.
  • Page 18: Bottom Panel

    Bottom Panel Icon Item Description Battery bay Houses the computer's battery pack. Battery release latch Releases the battery for removal. Battery lock Locks the battery in position. Memory compartment Houses the computer's main memory. Hard disk bay Houses the computer’s hard disk (secured with screws) Ventilation slots and Enable the computer to stay cool, even after prolonged use.
  • Page 19: Indicators

    Indicators The computer has four easy-to-read status indicators: The front panel indicators are visible even when the computer cover is closed up. Icon Function Description Indicates when the hard disk drive is active. Num lock Lights up when Num Lock is activated. Caps lock Lights up when Caps Lock is activated.
  • Page 20: Easy-Launch Buttons

    > and one user-programmable button. Press < > to run the Acer Empowering Technology. The mail and Web browser buttons are pre-set to email and Internet programs, but can be reset by users. To set the Web browser, mail and programmable buttons, run the Acer Launch Manager.
  • Page 21: Mediatouch Keys

    MediaTouch Keys The touch-sensitive media keys make easy and quick media control with great touch feedback. Media-Touch keys Description Play or Pause Stop Move backward within the current track or go to the next title or chapter. Move forward within the current track or go to next track, title, or chapter. Record Chapter 1...
  • Page 22: Touchpad

    Use the 4-way scroll (3) button (for selected models) or Acer BioProtect fingerprint reader (3) supporting Acer FingerNav 4-way control function (for selected models) to scroll up or down and move left or right a page. This button or fingerprint reader mimics your cursor pressing on the right scroll bar of Windows applications.
  • Page 23 Right Button Function Left Button (1) Main touchpad (2) Center button (3) Execute Click twice Tap twice (at the same quickly. speed as double-clicking the mouse button). Select Click once. Tap once. Drag Click and hold, Tap twice (at the same then use finger to speed as double-clicking drag the cursor...
  • Page 24: Using The Keyboard

    Using the Keyboard The keyboard has full-sized keys and an embedded keypad, separate cursor keys, two Windows keys and twelve function keys, and two special keys. Lock Keys and Embedded Numeric Keypad The keyboard has three lock keys which you can toggle on and off. Lock Key Description Caps Lock...
  • Page 25: Windows Keys

    Windows Keys The keyboard has two keys that perform Windows-specific functions. Icon Description Windows key Pressed alone, this key has the same effect as clicking on the Windows Start button; it launches the Start menu. It can also be used with other keys to provide a variety of functions: <...
  • Page 26: Hotkeys

    Icon Function Description Fn-F1 Hot key help Displays help on hot keys. Fn-F2 Acer eSettings Launches the Acer eSettings in Acer eManager. Fn-F3 Acer ePower Launches the Acer ePowerManagement in Acer Management eManager. Fn-F4 Sleep Puts the computer in Sleep mode.
  • Page 27: Special Keys

    Special Keys You can locate the Euro symbol and the US dollar sign at the upper-center and/or bottom-right of your keyboard. The Euro symbol Open a text editor or word processor. Either press < > at the bottom-right of the keyboard, or hold <Alt Gr> and then press the <5> key at the upper-center of the keyboard.
  • Page 28: Acer Empowering Technology

    Acer Empowering Technology The Empowering Technology toolbar makes it easy for you to access frequently used functions and manage your new Acer system. Displayed by default in the upper half of your screen, it provides access to the following utilities: Acer eNet Management hooks up to location-based networks intelligently.
  • Page 29: Acer Enet Management

    To access this utility, select "Acer eNet Management" from the Empowering Technology toolbar or run the program from the Acer Empowering Technology program group in Start menu. You can also set Acer eNet Management to start automatically when you boot up your PC.
  • Page 30 Acer eNet Management can save network settings for a location to a profile, and automatically switch to the appropriate profile when you move from one location to another. Settings stored include network connection settings (IP and DNS settings, wireless AP details, etc.), as well as default printer settings. Security and safety concerns mean that Acer eNet Management does not store username and password information.
  • Page 31: Acer Epower Management

    To access this utility, select "Acer ePower Management" from the Empowering Technology toolbar, run the program from the Acer Empowering Technology program group in Start menu, or right-click the Windows power icon in the system tray and select "Acer ePower Management".
  • Page 32: Battery Status

    Battery status For real-time battery life estimates based on current usage, refer to the panel in the upper half of the window. Click the to view estimated battery life in sleep and hibernate modes. Chapter 1...
  • Page 33: Acer Eaudio Management

    Acer eAudio Management Acer eAudio Management allows you to easily control the enhanced sound effects of Dolby® Home Theater™ on your system. Select "Movie" or "Game" mode to experience the awesome realism of 5.1-channel surround sound from just 2 speakers, via Dolby Virtual Speaker technology. "Music" mode lets you enjoy your favorite tunes, in vivid detail..
  • Page 34: Acer Epresentation Management

    Acer ePresentation Management Acer ePresentation Management lets you project your computer's display to an external display device or projector using the hotkey: <Fn> + <F5>. If auto-detection hardware is implemented in the system and the external display supports it, your system display will be automatically switched out when an external display is connected to the system.
  • Page 35: Acer Edatasecurity Management

    Acer eDataSecurity Management Acer eDataSecurity Management is an encryption utility that protects your files from being accessed by unauthorized persons. It is conveniently integrated with Windows Explorer as a shell extension for quick data encryption/decryption and also supports on-the-fly file encryption for Lotus Notes and Microsoft Outlook.
  • Page 36: Acer Elock Management

    Acer eLock Management Acer eLock Management is simple yet effective utility that allows you to lock removable storage, optical and floppy drive devices to ensure that data can't be stolen while your system is unattended. Removable Storage Devices — includes USB disk drives, USB pen drives, USB flash drives, USB MP3 drives, USB memory card readers, IEEE 1394 disk drives, and any other removable storage devices that can be mounted as a file system when plugged into the system.
  • Page 37: Acer Erecovery Management

    From previously-created CD/DVD Reinstall applications/drivers NOTE: If your computer did not come with a Recovery CD or System CD, please use Acer eRecovery Management's "System backup to optical disc" feature to burn a backup image to CD or DVD. To...
  • Page 38: Acer Esettings Management

    Acer eSettings Management Acer eSettings Management allows you to inspect hardware specifications, set BIOS passwords and modify boot options. Acer eSettings Management also: Provides a simple graphical user interface for navigation. Prints and saves hardware specifications. Lets you set an asset tag for your system.
  • Page 39: Windows Mobility Center

    The Windows Mobility Center collects key mobile-related system settings in one easy-to-find place, so you can quickly configure your Acer system to fit the situation as you change locations, networks or activities. Settings include display brightness, power plan, volume, wireless networking on/off, external display settings, display orientation and synchronization status.
  • Page 40: Using The System Utilities

    Acer GridVista is a handy utility that offers four pre-defined display settings so you can view multiple windows on the same screen. To access this function, please go to Start, All Programs and click on Acer GridVista. You may choose any one of the four display settings indicated below: Double (vertical), Triple (primary at left), Triple (primary at right), or Quad Acer Gridvista is dual-display compatible, allowing two displays to be partitioned independently.
  • Page 41: Launch Manager

    NOTE: Please ensure that the resolution setting of your second monitor is set to the manufacturer's recommended value. Launch Manager Launch Manager allows you to set the four easy-launch buttons located above the keyboard. You can access the Launch Manager by clicking on Start, All Programs, and then Launch Manager to start the application.
  • Page 42: Norton Internet Security

    Norton Internet Security Norton Internet Security is an anti-virus utility that can protect against viruses, keeping your data safe and secure. How do I check for viruses? Double-click the Norton Internet Security icon on the Windows desktop. Select Tasks & Scans. Select Run Scan to scan your system.
  • Page 43: Hardware Specifications And Configurations

    Hardware Specifications and Configurations Processor Item Specification CPU type ® ™ ™ ® ™ ® ™ Intel Core 2 Duo Intel Core 2 Duo Intel Core 2 Duo Intel Core 2 Duo T7100 Mobile T7300 Mobile T7500 Mobile T7700 Mobile Processor Processor Processor...
  • Page 44 Hard Disk Drive Interface Item Specification Interface transfer 150 MB/s 150 MB/s 150 MB/s rate (Mbytes/s, max) Voltage 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5% 5V(DC) +/- 5% tolerance BIOS Item Specification BIOS vendor Phoenix BIOS Version v0.25 Supported protocols ACPI 1.0b/2.0/3.0 compliance, PCI 2.2, System/HDD Password Security Control, INT 13h Extenstions, PnP BIOS 1.0a, SMBIOS 2.4,...
  • Page 45 Audio Item Specification Audio controller Realtek ALC268 Codec Features Two built-in Acer 3DSonic stereo speakers, Supports high definition audio, Built-in microphone, MS-sound compatible PCMCIA Port Item Specification PCMCIA controller T17412 Card type support Type-II Number of slot Item Specification LAN controller...
  • Page 46 Features 5-degree curve, 88-/89- key, inverted “T” cursor layout, 2.5 mm (minimum) key travel, touchpad pointing device with 4-way scroll button or Acer BioProtect fingerprint reader supporting Acer Finger Nav 4-way control function, hotkey controls, embedded numeric keypad, multi-language support, three easy-...
  • Page 47 DVD Drive Interface Item Specification Vendor Sony Pioneer Philips BenQ Panasonic Model name AD-7560A DVR-K17RS DS-8A1P UJ-850 Drive type Internal Slim DVD/CD writer Data transfer rate Write: Write: Write: • CD-R: 24X • CD-R: 24X • CD-R: 24X • CD-RW: 24X •...
  • Page 48 Battery Item Specification Vendor Panasonic Sanyo Sony Simplo Battery Type Li-ion Li-ion Li-ion Li-ion Pack capacity 6 cell: 6 cell: 6 cell: 6 cell: 6 cell: 6 cell: 6 cell: 6 cell: 2.0 mAh 2.4 mAh 2.0 mAh 2.4 mAh 2.0 mAh 2.4 mAh 2.0 mAh...
  • Page 49 AC Adapter Item Specification Vendor Delta Lite-On Model Name ADP-90SB BBDAF PA-1900-24 AR ADP-90SB BBEA LF PA-1900-04 WR Output rating 19 V/4.74 A, 90 W 19 V , 90 W Input (Vac) 90 ~ 270 100 ~ 240 System Power Management ACPI mode Power Management •...
  • Page 50 Chapter 1...
  • Page 51: System Utilities

    Chapter 2 System Utilities BIOS Setup Utility The BIOS Setup Utility is a hardware configuration program built into your system’s BIOS (Basic Input/Output System). Since most systems are already properly configured and optimized, there is no need to run this utility. The BIOS setup utility stores basic settings for your system.
  • Page 52: Information Menu

    Information Menu Parameter Description CPU Type Type of processor currently installed in the system. CPU Speed Speed of the processor currently installed in the system. IDE0 Model Name Model name of HDD installed on the primary IDE channel. IDE0 Serial Number Serial number of HDD installed on the primary IDE channel.
  • Page 53: Main Menu

    Main Menu Parameter Description Format/Option System Time Set the system time following the hour-minute-second format. Format: HH:MM:SS (hour:minute:second) System Date Set the date following the weekday-month-day-year format. Format MM/DD/YYYY (month/day/year) System Memory Total size of system memory detected during POST. Extended Memory Total size of extended memory during POST.
  • Page 54: Security Menu

    Security Menu Parameter Description Option Supervisor Password Is Indicates whether a supervisor password has been Clear or Set assigned. User Password Is Indicates whether a user password has been Clear or Set assigned. HDD Password Is Indicates whether a hard disk drive password has Clear or HDD Password Set been assigned.
  • Page 55 Setting a System Password Use the up/down keys to select a password parameter (Set Supervisor Password, Set User Password, or Set Secondary MAS.Disk Password), then press Enter. A Password box will appear. Type a password then press Enter. The password may consist of up to six alphanumeric characters (A-Z, a-z, 0-9). Retype the password to verify the first entry then press Enter again.
  • Page 56: Boot Menu

    Boot Menu This menu allows you to set the drive priority during system boot-up. The system will attempt to boot from the first device on the list. If the first device is not available, it will continue down the list until it reaches an available device.
  • Page 57: Exit Menu

    Exit Menu Parameter Description Exit Saving Changes Save changes made and close the BIOS setup. Exit Discarding Changes Discards changes made and close the BIOS setup. Load Setup Defaults Loads the default settings for all BIOS setup parameters. Setup Defaults are quite demanding in terms of resources consumption.
  • Page 58 Chapter 2...
  • Page 59: Machine Disassembly And Replacement

    Chapter 3 Machine Disassembly and Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge Flat screwdriver Philips screwdriver Hex screwdriver...
  • Page 60: General Information

    General Information Pre-disassembly Instructions Before proceeding with the disassembly procedure, make sure that you do the following: Turn off the power to the system and all peripherals. Unplug the AC adapter and all power and signal cables from the system. Place the system on a flat, stable surface.
  • Page 61: Disassembly Process

    Disassembly Process The disassembly process is divided into the following stages: External module disassembly Main unit disassembly LCD module disassembly The flowcharts provided in the succeeding disassembly sections illustrate the entire disassembly sequence. Observe the order of the sequence to avoid damage to any of the hardware components. For example, if you want to remove the mainboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order.
  • Page 62: External Module Disassembly Process

    External Module Disassembly Process External Modules Disassembly Flowchart The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the mainboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order.
  • Page 63: Removing The Battery Pack

    Removing the Battery Pack Turn base unit over. Slide the battery lock/unlock latch to the unlock position (1). Slide and hold the battery release latch to the release position (2). Remove the battery from the main unit (3). Chapter 3...
  • Page 64: Removing The Sd Dummy Card

    Removing the SD Dummy Card See “Removing the Battery Pack” on page 53. Push against the card, as if you were pushing it further into the slot, letting the card spring out. Remove the card from the slot. Removing the Express Dummy Card See “Removing the Battery Pack”...
  • Page 65: Removing The Lower Cover

    Remove the card from the slot. Removing the Lower Cover See “Removing the Battery Pack” on page 53. Turn the base unit over, then loosen the eight screws (A) on the lower cover. Step Size (Quantity) Color Torque M2 x L4 Black 1.6 kgf-cm Use a plastic flat-blade screwdriver to pry open the lower cover.
  • Page 66: Removing The Dimm

    Remove the lower cover from the lower case. Removing the DIMM See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. Push out the latches on both sides of the DIMM socket to release the DIMM. Remove the DIMM module.
  • Page 67: Removing The Wlan Board Module

    Removing the WLAN Board Module See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. Detach the wireless board barcode label from the WLAN board. Disconnect the two antenna cables from the WLAN board, then move the antennas away from the board. Remove the two screws (A) on the WLAN board to release the WLAN board.
  • Page 68: Removing The Hard Disk Drive Module

    Detach the WLAN board from the WLAN socket. NOTE: When attaching the antennas back to the WLAN board, make sure the cable are routed properly. Removing the Hard Disk Drive Module See “Removing the Battery Pack” on page 53. See “Removing the SD Dummy Card” on page 54. See “Removing the Express Dummy Card”...
  • Page 69: Removing The Optical Drive Module

    Remove the two screws (A) on the HDD bracket. Step Size (Quantity) Color Torque M2 x L4 (2) Silver 3.0 kgf-cm Remove the hard disk drive. Removing the Optical Drive Module See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. Remove the screw (C) on the bottom side of the unit, as shown.
  • Page 70 Using the flat-blade screwdriver, press the end of the module forward, then slide out the optical drive module from the main unit. Remove the two screws (D) securing the optical bracket and remove the locker bracket from the optical disk drive module. Step Size (Quantity) Color...
  • Page 71: Main Unit Disassembly Process

    Main Unit Disassembly Process Main Unit Disassembly Flowchart MAIN UNIT DISASSEMBLY MAIN UNIT KEYBOARD CPU HEATSINK MODULE MIDDLE COVER MEDIA POWER BOARD BOARD LCD MODULE Ax3, Cx11 UPPER CASE Screwx3 TOUCHPAD BRACKET LAUNCH SPEAKERS ASSEMBLY BOARD BRACKET LAUNCH TOUCHPAD BOARD BOARD MAINBOARD BLUETOOTH BOARD...
  • Page 72: Removing The Cpu Heatsink Module

    Screw List Screw Part No. M2 x L4 86.00F24.724 M2 x L6 86.00F58.726 M2.5 X L8 86.00E34.738 Removing the CPU Heatsink Module See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. Detach the heatsink cable from the mainboard. Loosen the four spring-loaded screws on the heatsink in the order shown.
  • Page 73: Removing The Cpu

    Removing the CPU See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. See “Removing the CPU Heatsink Module” on page 62. Using a flat screwdriver, turn the CPU socket latch to the unlock position by aligning the latch to the unlock symbol, then remove the CPU.
  • Page 74: Removing The Keyboard

    Removing the Keyboard See “Removing the Battery Pack” on page 53. Press the plastic flat-blade screwdriver to the notches, shown below, to disengage the keyboard from the main unit. Carefully pry up and out the keyboard and turn it over. Disconnect the keyboard cable from the mainboard to remove the keyboard.
  • Page 75: Removing The Middle Cover

    Removing the Middle Cover See “Removing the Battery Pack” on page 53. See “Removing the Keyboard” on page 64. Open the LCD screen all the way to facilitate the easy removal of the middle cover. Carefully insert the flat screwdriver between the middle cover and lower case and gently pry up the middle cover.
  • Page 76: Removing The Power Board

    Detach the power board cable from the power board, then remove the middle cover. Removing the Power Board See “Removing the Battery Pack” on page 53. See “Removing the Keyboard” on page 64. See “Removing the Middle Cover” on page 65. Detach the mylar tape from the launch board.
  • Page 77: Removing The Media Board

    Remove the power board. Removing the Media Board See “Removing the Battery Pack” on page 53. See “Removing the Keyboard” on page 64. See “Removing the Middle Cover” on page 65. See “Removing the Power Board” on page 66. Insert a flat-blade screwdriver between the media board cover and middle cover and pry up the gently. Remove the media board cover from the middle cover.
  • Page 78: Removing The Lcd Module

    Detach the mylar tape from the media board. Carefully insert the flat-blade screwdriver under the side of the media board cover and gently pry up the board until it releases from the cover. Remove the media board. Removing the LCD Module See “Removing the Battery Pack”...
  • Page 79 Disconnect the LCD coaxial cable from the mainboard. Pull out the antenna cables as shown. Turn the system over and remove the two screws (F) from the base of the unit. Step Size (Quantity) Color Torque M2.5 x L8 (2) Black 4.0 kgf-cm Chapter 3...
  • Page 80: Separating The Upper Case From The Lower Case

    Remove the two screws (F) from the left and right hinge of the LCD module. Step Size (Quantity) Color Torque M2.5 x L8 (2) Black 4.0 kgf-cm 10. Carefully remove the LCD module from the base unit. NOTE: Make sure the cables are routed well before connecting the cables back to the unit. Separating the Upper Case from the Lower Case See “Removing the Battery Pack”...
  • Page 81 14. Disconnect the speaker cable from the mainboard. 15. Detach the launch board cable from the mainboard. 16. Detach the touchpad cable from the mainboard. Chapter 3...
  • Page 82 17. Remove the three screws (A) on the upper case. Step Size (Quantity) Color Torque M2 x L4 (3) Black 1.6 kgf-cm 18. Turn the system over and remove the eleven screws (C) on the lower case. Step Size (Quantity) Color Torque 1~11...
  • Page 83: Removing The Speaker Modules

    Removing the Speaker Modules See “Removing the Battery Pack” on page 53. See “Removing the SD Dummy Card” on page 54. See “Removing the Express Dummy Card” on page 54. See “Removing the Lower Cover” on page 55. See “Removing the DIMM” on page 56. See “Removing the WLAN Board Module”...
  • Page 84: Removing The Launch Board

    Removing the Launch Board See “Removing the Battery Pack” on page 53. See “Removing the SD Dummy Card” on page 54. See “Removing the Express Dummy Card” on page 54. See “Removing the Lower Cover” on page 55. See “Removing the DIMM” on page 56. See “Removing the WLAN Board Module”...
  • Page 85: Removing The Touchpad Board Module

    17. Remove the three screws (A) from the launch board. Step Size (Quantity) Color Torque M2 x L4 (3) Black 1.6 kgf-cm 18. Remove the launch board. Removing the Touchpad Board Module See “Removing the Battery Pack” on page 53. See “Removing the SD Dummy Card”...
  • Page 86 15. Remove the two screws (A) on the touchpad bracket. Step Size (Quantity) Color Torque M2 x L4 (2) Black 1.6 kgf-cm 16. Remove the touchpad bracket from the upper case. 17. Carefully insert the flat screwdriver under the side of the touchpad board and gently pry up the board. Chapter 3...
  • Page 87: Removing The Bluetooth Board

    18. Continue prying the board until it releases from the upper case, then remove the board. Removing the Bluetooth Board See “Removing the Battery Pack” on page 53. See “Removing the SD Dummy Card” on page 54. See “Removing the Express Dummy Card” on page 54. See “Removing the Lower Cover”...
  • Page 88: Removing The Usb Board

    16. Carefully detach the Bluetooth board from the lower case. Removing the USB board See “Removing the Battery Pack” on page 53. See “Removing the SD Dummy Card” on page 54. See “Removing the Express Dummy Card” on page 54. See “Removing the Lower Cover”...
  • Page 89: Removing The Mainboard

    16. Pull out the AC input cable and move away from the USB board. 17. Remove the screw (A) on the USB board. Step Size (Quantity) Color Torque M2 x L4 (2) Black 1.6 kgf-cm 18. Remove the USB board. Removing the Mainboard See “Removing the Battery Pack”...
  • Page 90 See “Removing the Hard Disk Drive Module” on page 58. See “Removing the Optical Drive Module” on page 59. See “Removing the CPU Heatsink Module” on page 62. 10. See “Removing the CPU” on page 63. 11. See “Removing the Keyboard” on page 64. 12.
  • Page 91: Removing The Modem Board

    19. Remove the two screws (A) holding the mainboard to the lower case. Step Size (Quantity) Color Torque M2 x L4 (2) Black 1.6 kgf-cm 20. Carefully detach the mainboard from the lower case. Removing the Modem Board See “Removing the Battery Pack” on page 53. See “Removing the SD Dummy Card”...
  • Page 92 17. See “Removing the Mainboard” on page 79. 18. Disconnect the modem cable from the mainboard. 19. Detach the masking tape from the mainboard. 20. Remove the two screws (A) on the modem board. Step Size (Quantity) Color Torque M2 x L4 (2) Silver 1.6 kgf-cm Chapter 3...
  • Page 93: Removing The Rtc Battery

    21. Detach the modem board from the mainboard. Removing the RTC Battery See “Removing the Battery Pack” on page 53. See “Removing the SD Dummy Card” on page 54. See “Removing the Express Dummy Card” on page 54. See “Removing the Lower Cover” on page 55. See “Removing the DIMM”...
  • Page 94 19. Carefully detach the RTC battery from the SD card slot. Chapter 3...
  • Page 95: Lcd Module Disassembly Process

    LCD Module Disassembly Process LCD Module Disassembly Flowchart LCD MODULE DISASSEMBLY LCD MODULE LCD BEZEL CAMERA BOARD INVERTER BOARD LCD ASSEMBLY RIGHT LCD LCD FPC LEFT LCD BRACKET CABLE BRACKET RIGHT HINGE LEFT HINGE MAIN MICROPHONES AUXILIARY ANTENNA ANTENNA LCD BACK PANEL Main Screw List Item Screw...
  • Page 96: Removing The Lcd Bezel

    Removing the LCD Bezel See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. See “Removing the DIMM” on page 56. See “Removing the WLAN Board Module” on page 57. See “Removing the Hard Disk Drive Module” on page 58. See “Removing the Optical Drive Module”...
  • Page 97: Removing The Camera Board

    14. Carefully pry open the LCD bezel and remove the bezel from the LCD module. Removing the Camera Board See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. See “Removing the DIMM” on page 56. See “Removing the WLAN Board Module”...
  • Page 98: Removing The Inverter Board

    14. Remove the camera board. Removing the Inverter Board See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. See “Removing the DIMM” on page 56. See “Removing the WLAN Board Module” on page 57. See “Removing the Hard Disk Drive Module”...
  • Page 99: Removing The Lcd With Brackets

    14. Remove the screw (G) that holds the board to the panel. Step Size (Quantity) Color Torque M2.5 x L6 (2) Black 3 kgf-cm 15. Turn the inverter board over. 16. Disconnect the 2P cable from the inverter board, then disconnect the inverter board cable from its connector.
  • Page 100 14. Remove the two screws (G) securing the left and right LCD brackets to the LCD back cover. Step Size (Quantity) Color Torque M2.5 x L6 (2) Silver 2.5 kgf-cm 15. Detach the LCD with the brackets from the back cover, then turn it over. 16.
  • Page 101: Removing The Lcd Brackets

    17. Detach the acetic tapes holding the FPC cable to the edge of the LCD panel. 18. Detach the acetic tape securing the FPC connector. 19. Disconnect the FPC cable from the LCD panel. Removing the LCD Brackets See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover”...
  • Page 102: Removing The Lcd Module Hinges

    15. Remove the four screws (H) securing the left and right LCD brackets to remove the brackets. Step Size (Quantity) Color Torque M2 x L3 (4) Silver 1.6 kgf-cm Removing the LCD Module Hinges See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover”...
  • Page 103: Removing The Antennas

    17. Remove the left and right hinges from the LCD back cover. Removing the Antennas See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. See “Removing the DIMM” on page 56. See “Removing the WLAN Board Module” on page 57. See “Removing the Hard Disk Drive Module”...
  • Page 104: Removing The Microphones

    16. Detach the gasket tape holding the left antenna in place, remove the antenna bracket, then carefully remove the antenna. Removing the Microphones See “Removing the Battery Pack” on page 53. See “Removing the Lower Cover” on page 55. See “Removing the DIMM” on page 56. See “Removing the WLAN Board Module”...
  • Page 105 17. Remove the microphones . Chapter 3...
  • Page 106 Chapter 3...
  • Page 107: Troubleshooting

    Troubleshooting Use the following procedure as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. Obtain the failing symptoms in as much detail as possible.
  • Page 108: System Check Procedures

    System Check Procedures External CD/DVD-ROM Drive Check Perform the following procedures to isolate the possible problem a controller, drive, or CD-ROM. NOTE: Make sure that the CD-ROM does not have any label attached to it. The label may damage the drive or cause drive failure.
  • Page 109: Power System Check

    Power System Check Do the following: Remove the battery pack. Connect the power adapter and check the power supply. Disconnect the power adapter and install the battery pack; then check that power supply. If you suspect a power problem, see the appropriate power supply check in the following list: “Check the Power Adapter”...
  • Page 110: Touchpad Check

    Touchpad Check If the touchpad doesn’t work, do the following procedures in sequence to correct the problem. Do not replace a non-defective FRU: After rebooting, run Tracking Pad PS2 Mode Driver. For example Syn touch driver. Run utility with the PS/2 mouse function and check if the mouse is working. If the PS/2 mouse does not work, then click if the main board to switch board FPC is connected properly.
  • Page 111: Power-On Self-Test (Post) Error Message

    Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back in the computer. Do not replace a non-defective FRU.
  • Page 112: Index Of Error Messages

    Index of Error Messages Error Message List Error Messages Check or do the following in sequence: Stuck Key See “Keyboard or Auxiliary Input Device Check” on page 98. System CMOS checksum bad - Default RTC battery. configuration used Run the BIOS Setup Utility to reconfigure the system time, then reboot system.
  • Page 113 Error Message List Error Messages Check or do the following in sequence: No beep, power-on indicator turns off and Power source (battery pack and power adapter). See “Power LCD is blank. System Check” on page 99. Ensure every connector is connected tightly and correctly. Reconnect the DIMM.
  • Page 114: Phoenix Bios Beep Codes

    Phoenix BIOS Beep Codes Code Beeps POST Routine Description Verify Real Mode Disable Non-Maskable Interrupt (NMI) Get CPU type Initialize system hardware Initialize chipset with initial POST values Set IN POST flag Initialize CPU registers Enable CPU cache Initialize caches to initial POST values Initialize I/O component Initialize the local bus IDE Initialize Power Management...
  • Page 115 Code Beeps POST Routine Description 2-1-2-3 Check ROM copyright notice Check video configuration against CMOS Initialize PCI bus and devices Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled...
  • Page 116 Code Beeps POST Routine Description Initialize Extended BIOS Data Area Test and initialize PS/2 mouse Initialize floppy controller Determine number of ATA drives (optional) Initialize hard-disk controllers Initialize local-bus hard-disk controllers Jump to UserPatch2 Build MPTABLE for multi-processor boards Install CD-ROM for boot Clear huge ES segment register Fixup Multiprocessor table Search for option ROMs.
  • Page 117: Bios Beep Codes For Boot Block In Flash Rom

    Code Beeps POST Routine Description Initialize system error handler PnPnd dual CMOS (optional) Initialize notebook docking (optional) Initialize notebook docking late Force check (optional) Extended checksum (optional) Unknown interrupt * If the BIOS detects error 2C, 2E, or 3O (base 512K RAM error), it displays an additional word-bitmap (xxxx) indicating the address line or bits that failed.
  • Page 118: Index Of Symptom-To-Fru Error Message

    Index of Symptom-to-FRU Error Message LCD-Related Symptoms Symptom / Error Check or do the following in sequence LCD backlight doesn't work Run “Load Setup Defaults” in BIOS Setup Utility, then reboot system. LCD is too dark Reconnect the LCD connectors. LCD brightness cannot be adjusted Keyboard (if contrast and brightness function key doesn't LCD contrast cannot be adjusted...
  • Page 119 Power-Related Symptoms Symptom / Error Check or do the following in sequence The system doesn’t power-off. Power source (battery pack and power adapter). See “Power System Check” on page 99. Hold and press the power switch for more than 4 seconds. Mainboard Battery can’t be charged See “Check the Battery Pack”...
  • Page 120 Power Management-Related Symptoms Symptom / Error Check or do the following in sequence The system doesn't resume from See “Save to Disk (S4)” on page 44. hibernation mode. Hard disk connection board Hard disk drive Mainboard The system doesn't resume from standby See “Save to Disk (S4)”...
  • Page 121: Intermittent Problems

    Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. When analyzing an intermittent problem, do the following: Run the advanced diagnostic test for the mainboard in loop mode at least 10 times.
  • Page 122: Undetermined Problems

    Follow procedures below to isolate the failing FRU. Do not isolate non-defective FRU. Power off the computer. Visually check them for damage. If any problems are found, replace the FRU. Remove or disconnect all of the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive...
  • Page 123: System Block Diagram And Connector Locations

    Chapter 5 System Block Diagram and Connector Locations System Block Diagram Chapter 5...
  • Page 124: Board Layout

    Board Layout Top View Item Item LCD connector Power board cable connector Internal microphone cable connector USB board cable connector Speaker cable connector ExpressCard/54 slot Keyboard cable connector ICH8-M chipset (south bridge) Touchpad cable connector Launch board cable connector Media board cable connector Chapter 5...
  • Page 125: Bottom View

    Bottom View Item Item AC-in jack 5-in-1 card reader Mini-card connector RTC battery cable connector Battery cable connector Modem board Volume control wheel Intel PM965 Express chipset (north bridge) Line-in jack CRT port Microphone jack RJ11+RJ45 port Line-out jack S-video port ODD connector USB ports HDD connector...
  • Page 126: Switch Setting

    Switch Setting Short R525 to clear password. Chapter 5...
  • Page 127 Standard Operation Procedures of Password Bypassing and BIOS Recovery For RD and CSD to debug easily, the system provide one hardware DIP switch for Bypassing Password Check, and one Hotkey to enable BIOS Recovery. DIP Switches: Default Setting Description Disabled (High) Bypassing Password Check Hotkey to enable BIOS Recovery: press the combination Fn+ESC, then press the Power Button.
  • Page 128 Restore BIOS by the Crisis Disk Enable this function by pressing the combination: Fn+ESC, and pressing the Power Button. To use this function, it is strongly recommended that the AC adapter is connected to the system and plug-in to a wall outlet and the Battery is also in the system.
  • Page 129: Fru (Field Replaceable Unit) List

    Acer office to order FRU parts for service. NOTE: To scrap or to return the defective parts, follow the local government ordinance or regulations on how to dispose it properly, or follow the rules set by your regional Acer office on how to return it. Chapter 6...
  • Page 130: Aspire 4920 Exploded Diagram

    Aspire 4920 Exploded Diagram Chapter 4...
  • Page 131: Aspire 4920 Fru List

    Aspire 4920 FRU List Category Part Name Description Acer Part No. Adapter Adapter 90W Delta ADP-90SB ADT 90W Delta ADP-90SB AP.09001.010 BBDAF BBDAF Adapter 90W Delta ADP-90SB ADP 90W Delta ADP-90SB AP.09001.013 BBEA LF BBEA LF Adapter 90W Liteon PA-1900- ADT 90W Liteon PA-1900- AP.09003.011...
  • Page 132 Category Part Name Description Acer Part No. Launch board Tahoe LAU-BD 06626-1 PD 55.4T902.001G USB board Tahoe USB-BD 06628-1 PD 55.4T904.001G Power board Tahoe PWR-BD 06627-2 PD 55.4T903.001G Wireless LAN board Wireless LAN 802.11ABGN WLAN 802.11ABGN Kedron KI.KDN01.001 Kedron MOW1 MOW1 Wireless LAN 802.11ABGN...
  • Page 133 Category Part Name Description Acer Part No. Power cord 10A 3-pin BK Code Denmark 10A 3P BK 27.01518.561 Denmark Power cord 10A 250V 3-pin Code 10A 250V 3P Denmark 27.01518.671 Denmark BK Power cord 10A 250V 3-pin Code South Africa 10A 250V 27.01518.571...
  • Page 134 Category Part Name Description Acer Part No. Touchpad bracket TP bracket ASSY 60.4T904.001 Middle cover M-cover ASSY 60.4T902.001 VGA bracket ASSY MXM BRT 60.4T933.002 Upper case w/ speaker ASSY U-Case 60.4T901.001 Memory SDIMM 1GB Hynix SODIMM 1G KN.1GB0G.006 HYMP512S64CP8-Y5 AB...
  • Page 135 Category Part Name Description Acer Part No. HDD/Hard Disk Drive HDD bracket ASSY HDD bracket 60.4T918.001 HDD module 80G 5400RPM HDD N80GB5.4KS G2.HDAHP.001 SATA HDD 80GB SATA Hitachi HDD 80GB SATA KH.08007.021 HTS541680J9SA00 HTS541680J9SA00 HDD 80GB Seagate HDD 80GB SGT ST980811AS KH.08001.030...
  • Page 136 Category Part Name Description Acer Part No. CPU Merom Core 2 Dual T7100 IC CPU Merom T7100 1.8G KC.71001.DTP 1.8G 2M 800 Intel CPU Intel Merom Core 2 Dual IC CPU Merom T7300 2.0G KC.73001.DTP T7300 2.0G 4M 800L Intel CPU Intel Merom Core 2 Dual IC CPU Merom T7500 2.2G...
  • Page 137 Category Part Name Description Acer Part No. Keyboard (cont.) Keyboard 89 key Darfon NSK- KB Darfon NSK-H3V0S SP 9J.N5982.V0S H3V0S SP Spanish Spani89 Keyboard 89 key Darfon NSK- KB Darfon NSK-H3V0T TR 9J.N5982.V0T H3V0T TR Turkish Turki89 Keyboard 89 key Darfon NSK- KB Darfon NSK-H3V0U UK 9J.N5982.V0U...
  • Page 138 Category Part Name Description Acer Part No. LCD module LCD 14.1” WXGA Samsung LCD 14.1” WXGA Samsung LK.14106.011 (cont.) LTN141W3-L01-G LF Glare 200 LTN141W3 nits 16ms LCD 14.1” WXGA CMO N141l3- LCD 14.1” WXGA CMO LK.1410D.016 L02 LF Glare 200 nits 16ms...
  • Page 139 Chapter 4...
  • Page 140: Model Definition And Configuration

    Appendix A Model Definition and Configuration Aspire 4920 Acer Count Descriptio DIMM DIMM HDD 1 Wireless Bluetoot Model Part (GB) Appendix A...
  • Page 141 Appendix A...
  • Page 142 Appendix A...
  • Page 143: Test Compatible Components

    Appendix B Test Compatible Components This computer’s compatibility is tested and verified by Acer’s internal testing department. All of its system ® ™ functions are tested under Windows Vista Business, Vista Home Premium, and Vista Home Basic environment. Refer to the following lists for components, adapter cards, and peripherals which have passed these tests.
  • Page 144: Microsoft® Windows® Vista™ Compatibility Test

    Compatibility Test ® ® ™ I/O Peripheral Compatibility Test Vendor Device Description Result External CRT Acer 211c21” ViewSonic G220F PF790 19” External LCD Acer FP751 17” TFT LCD 15” LCD Monitor (DVI) Model: AL1521 17” LCD Monitor (DVI) Model: AL1721 ViewSonic 20”...
  • Page 145 I/O Peripheral Compatibility Test Vendor Device Description Result Transcend 80GB HDD USB 2.0+IEEE 1394 6-in-1 Flash card reader/writer Plextor DVD+R/RW USB 2.0 Galileo Mass storage 2.5 travel kit with 1394 DVD+R/RW 16X USB 2.0+IEEE 1394 Sony DVD+R/RW 16X USB 2.0+IEEE 1394 USB flash drive Sony Memory key 128MB...
  • Page 146 I/O Peripheral Compatibility Test Vendor Device Description Result X Bridge Bluetooth access point BT300 Epson Bluetooth print adapter Deskjet 450wbt AmbiCom Bluetooth wireless compact Flash card with PC card adapter SDIO card Toshiba Bluetooth SD card Express card Abcom 5-in-1 adapter express card reader GigaLAN express card Sunix ECF2400 2 ports 1394A express card...
  • Page 147 Memory Card Compatibility Test Vendor Device Description Result Sony Memory stick Pro 512MB MS Pro Duo 2GB high speed MS Pro 2GB memory card Compact Flash Apacer Compact Flash card 256/512MB SanDisk Compact Flash card 2GB XD card Apacer Compact Flash card 256/512MB SanDisk Compact Flash card 2GB Olympus...
  • Page 148 Appendix B...
  • Page 149: Online Support Information

    This section describes online technical support services available to help you repair your Acer Systems. If you are a distributor, dealer, ASP or TPM, please refer your technical queries to your local Acer branch office. Acer Branch Offices and Regional Business Units may access our website. However some information sources will require a user i.d.
  • Page 150 Appendix C...