Acer Aspire 4920 Service Guide
Acer Aspire 4920 Manual
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- Acer Aspire 4920 | Service Guide - 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 - Acer Aspire 4920 | Service Guide - Page 2
Revision History Please refer to the table below for the updates made on Aspire 4920 service guide. Date Chapter Updates ii - Acer Aspire 4920 | Service Guide - Page 3
, 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 the prior written permission of Acer Incorporated. iii - Acer Aspire 4920 | Service Guide - Page 4
specifically disclaims any warranties of merchantability or fitness for any particular purpose. Any Acer Incorporated software described in this manual servicing, repair, and any incidental or consequential damages resulting from any defect in the software. Acer is a registered trademark of Acer - Acer Aspire 4920 | Service Guide - Page 5
to the current topic. WARNING CAUTION IMPORTANT Alerts you to any damage that might result from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures. v - Acer Aspire 4920 | Service Guide - Page 6
supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer -on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In - Acer Aspire 4920 | Service Guide - Page 7
Primary Menus 41 BIOS Setup Navigation Keys 41 Information Menu 42 Main Menu 43 Security Menu 44 Boot Menu 46 Exit Menu 47 Machine Disassembly and Replacement 49 Disassembly Requirements 49 General Information 50 Pre-disassembly Instructions 50 Disassembly Process 51 vii - Acer Aspire 4920 | Service Guide - Page 8
Board Module Removing the Bluetooth Board Removing the USB board Removing the Mainboard Removing the Modem Board Removing the RTC Battery LCD Module Disassembly Process LCD Module Disassembly Flowchart Removing the LCD Bezel Removing the Camera Board Removing the Inverter Board Removing the LCD - Acer Aspire 4920 | Service Guide - Page 9
Bottom View 115 FRU (Field Replaceable Unit) List 119 Aspire 4920 Exploded Diagram 120 Aspire 4920 FRU List 121 Model Definition and Configuration 130 Aspire 4920 130 Test Compatible Components 133 Microsoft® Windows® Vista™ Compatibility Test 134 Online Support Information 139 ix - Acer Aspire 4920 | Service Guide - Page 10
x - Acer Aspire 4920 | Service Guide - Page 11
11b/g) Wi-Fi CERTIFIED® network connection, supporting Acer SignalUp™ wireless technology Display and Graphics T 14.1" WXGA high brightness (200-nits) Acer CrystalBrite™ TFT LCD, 1280 x 800 pixel resolution, supporting simultaneous multi-window viewing via Acer GridVista™ T 16 ms response time T ATI - Acer Aspire 4920 | Service Guide - Page 12
Wi-Fi CERTIFIED® network connection, supporting Acer SignalUp™ wireless technology T WPAN: Bluetooth® 2.0+EDR (Enhanced Data Rate) for AC adapter Power Subsystem T ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes T 53.3 W 4800 mAh Li-ion battery pack (6- - Acer Aspire 4920 | Service Guide - Page 13
t 2.5-hour rapid charge system-off t 3.5-hour charge-in-use T 3-pin 90 W AC adapter supporting Acer QuicCharge™ technology (for selected models): t 80% charge in 1 hour t 2-hour rapid charge system-off t 3-hour charge-in-use Dimensions and weight T Width: 344 mm (13.5 - Acer Aspire 4920 | Service Guide - Page 14
Acer Notebook Tour After knowing your computer features, let us show you around your new Aspire computer. Front View # Item Description 1 Acer PureZone Internal microphone for sound recording. 2 Acer Crystal Eye Web camera and right speakers deliver stereo audio output. 14 MediaTouch keys - Acer Aspire 4920 | Service Guide - Page 15
wheel Latch CIR receiver Description Adjust the volume of the audio-out. Locks and releases the lid. Receives signals from a remote control. Line-in jack Microphone jack Accepts audio line-in devices (e.g., audio CD player, stereo walkman, mp3 player) Accepts inputs from external microphones - Acer Aspire 4920 | Service Guide - Page 16
television or display device with S-video input. Connect to USB 2.0 devices (e.g., USB mouse, USB camera). 4-pin IEEE 1394 port Connects to IEEE 1394 devices. ExpressCard/54 slot 5-in-1 card reader Accepts one ExpressCard/54 module. Accepts Secure Digital (SD), MultiMediaCard (MMC), Memory Stick - Acer Aspire 4920 | Service Guide - Page 17
Description Optical drive Optical disk access indicator Internal optical drive; accepts CDs or DVDs. Lights up when the optical drive is active. . Connect to USB 2.0 devices (e.g., USB mouse, USB camera). Connects to an AC adapter. Rear Panel # Item 1 Ventilation slots Description Enable the - Acer Aspire 4920 | Service Guide - Page 18
Bottom Panel # Icon Item 1 Battery bay Description Houses the computer's battery pack. 2 Battery release latch Releases the battery for removal. 3 Battery lock Locks the battery in position. 4 Memory compartment Houses the computer's main memory. 5 Hard disk bay Houses the computer - Acer Aspire 4920 | Service Guide - Page 19
status indicators: The front panel indicators are visible even when the computer cover is closed up. Icon Function HDD Num lock Caps lock Power Battery Description Indicates when the hard disk drive is active. Lights up when Num Lock is activated. Lights up when Caps Lock is activated. Indicates - Acer Aspire 4920 | Service Guide - Page 20
the status of wireless LAN communication. Internet browser (user-Programmable) Mail Email application (user-Programmable) Bluetooth communication button/indicator Empowering Technology Acer Arcade Enables/disables the Bluetooth function. Indicates the status of Bluetooth communication. Launch - Acer Aspire 4920 | Service Guide - Page 21
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, - Acer Aspire 4920 | Service Guide - Page 22
surface of the touchpad. The central location on the palmrest provides optimum comfort and support. Touchpad Basics The following teaches way scroll (3) button (for selected models) or Acer BioProtect fingerprint reader (3) supporting Acer FingerNav 4-way control function (for selected models) to - Acer Aspire 4920 | Service Guide - Page 23
not increase the touchpad's responsiveness. NOTE: By default, vertical and horizontal scrolling is enabled on your touchpad. It can be disabled under Mouse settings in Windows Control Panel. Chapter 1 13 - Acer Aspire 4920 | Service Guide - Page 24
-sized keys and an embedded keypad, separate cursor keys, two Windows keys and twelve function keys, and two special keys. Lock keypad functions like a desktop numeric keypad. It is indicated by small characters located on the upper right corner of the keycaps. To simplify the keyboard legend, - Acer Aspire 4920 | Service Guide - Page 25
Keys The keyboard has two keys that perform Windows-specific functions. Key Windows key Icon Application key Description 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 - Acer Aspire 4920 | Service Guide - Page 26
of the computer's controls like screen brightness, volume output and the BIOS utility. To activate hotkeys, press and hold the key -F8 Fn-w Fn-y Fn-x Fn-z Icon Function Hot key help Acer eSettings Acer ePower Management Sleep Display toggle Screen blank Touchpad toggle Speaker toggle Volume - Acer Aspire 4920 | Service Guide - Page 27
Special Keys You can locate the Euro symbol and the US dollar sign at the upper- then press the key at the upper-center of the keyboard. NOTE: Some fonts and software do not support the Euro symbol. Please refer to www.microsoft.com/ typography/faq/faq12.htm for more information. The US dollar - Acer Aspire 4920 | Service Guide - Page 28
of your screen, it provides access to the following utilities: T Acer eNet Management hooks up to location-based networks intelligently. T Acer ePower Management optimizes battery usage via customizable power plans. T Acer ePresentation Management connects to a projector and adjusts display settings - Acer Aspire 4920 | Service Guide - Page 29
eNet Management helps you quickly connect to both wired and wireless networks in a variety of locations. 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 Aspire 4920 | Service Guide - Page 30
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 - Acer Aspire 4920 | Service Guide - Page 31
Acer Empowering Technology program group in Start menu, or right-click the Windows power icon in the system tray and select "Acer ePower Management". Using Power Plans Acer adjust settings for On Battery and Plugged In modes by clicking the appropriate tabs. You can open Windows power options by - Acer Aspire 4920 | Service Guide - Page 32
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. 22 Chapter 1 - Acer Aspire 4920 | Service Guide - Page 33
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 - Acer Aspire 4920 | Service Guide - Page 34
supports it, your system display will be automatically switched out when an external display is connected to the system. For projectors and external devices that are not auto-detected, launch Acer an external resolution that is not supported by Acer ePresentation Management, adjust your display settings - Acer Aspire 4920 | Service Guide - Page 35
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. The Acer eDataSecurity Management setup wizard will prompt you for a supervisor - Acer Aspire 4920 | Service Guide - Page 36
, 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 any kind of CD-ROM, DVD-ROM, HD-DVD or Blu-ray drive devices. T Floppy Drive Devices - 3.5-inch floppy drives only. To use Acer eLock Management, the - Acer Aspire 4920 | Service Guide - Page 37
t User backup image t From previously-created CD/DVD t 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 ensure the best results - Acer Aspire 4920 | Service Guide - Page 38
eSettings Management allows you to inspect hardware specifications, set BIOS passwords and modify boot options. Acer eSettings Management also: T Provides a simple graphical user interface for navigation. T Prints and saves hardware specifications. T Lets you set an asset tag for your system. 28 - Acer Aspire 4920 | Service Guide - Page 39
orientation and synchronization status. Windows Mobility Center also includes Acer-specific settings like Bluetooth Add Device (if applicable), sharing folders overview/sharing service on or off, and a shortcut to the Acer user guide, drivers and utilities. To launch Windows Mobility Center: T Use - Acer Aspire 4920 | Service Guide - Page 40
Using the System Utilities Acer GridVista (dual-display compatible) To enable the dual display feature of your notebook, first ensure that a second display is connected, then, open the Display Settings properties box using the Control Panel or by right-clicking the Windows desktop and selecting - Acer Aspire 4920 | Service Guide - Page 41
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 - Acer Aspire 4920 | Service Guide - Page 42
scan your system. 4. When the scan is complete, review the results of the scan. NOTE: For optimal security, run a Full System Scan when scanning your computer for the first time. You can schedule customized virus scans that run unattended on specific dates and times or at periodic intervals. If you - Acer Aspire 4920 | Service Guide - Page 43
Board Major Chips Item System core logic HDD controller Memory controller Video controller Audio controller PCMCIA controller LAN controller Modem controller Bluetooth controller Keyboard controller Specification Intel GM965 Express + Intel ICH8M chipsets Intel ICH8M chipset Intel GM965 Express - Acer Aspire 4920 | Service Guide - Page 44
BIOS 1.0a, SMBIOS 2.4, BIOS Boot Specification, Simple Boot Flag 1.0, Boot Block, PCI Bus Power Management Interface Specification, USB Specification 1.1/2.0, IEEE 1394 1.0, USB/1394 CD-ROM Boot Up support, PC Card Specification Intel GM965 Express chipset with integrated 3D graphics Intel Graphic - Acer Aspire 4920 | Service Guide - Page 45
Baud rate Modem connector type Bluetooth Module Item Bluetooth controller Vendor Model name Protocol Connector type Specification Realtek ALC268 Codec Two built-in Acer 3DSonic stereo speakers, Supports high definition audio, Built-in microphone, MS-sound compatible Specification T17412 Type-II One - Acer Aspire 4920 | Service Guide - Page 46
controller Model name Features Specification Winbond WPC8768L Acer FineTouch keyboard 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 - Acer Aspire 4920 | Service Guide - Page 47
rate Buffer Memory Interface Applicable disc format Power supply Specification Sony Pioneer Philips BenQ Panasonic AD-7560A DVR-K17RS DS-8A1P UJ-850 Internal Slim DVD/CD writer Write: Write: N/A Write: • CD-R: 24X • CD-R: 24X CAV • CD-RW: 24X • CD-RW: 24X • DVD-RW: 6X CAV • DVD - Acer Aspire 4920 | Service Guide - Page 48
Vendor Battery Type Pack capacity Specification Panasonic Li CMO N141I3-L02 (Glare) 1280 x 800 N/A N/A N/A N/A 262 K Color saturation (NTSC%) Typical white luminance (cd N/A 319.5 x205.5 x 5.5 390 LCD Inverter Board Item Vendor Model name Specification YEC YNV-W06S Foxconn T621240.02 RoHS VK - Acer Aspire 4920 | Service Guide - Page 49
AC Adapter Item Vendor Model Name Output rating Input (Vac) System Power Management ACPI mode Off On Specification Delta ADP-90SB BBDAF ADP 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, and Super I/O - Acer Aspire 4920 | Service Guide - Page 50
40 Chapter 1 - Acer Aspire 4920 | Service Guide - Page 51
will need to run this utility if you encounter configuration problems. Refer to Chapter 4 Troubleshooting when problem arises. Entering BIOS Setup Power on the system to start the system POST process. During bootup, press F2 to enter the BIOS setup screen. NOTE: You must press F2 while the system - Acer Aspire 4920 | Service Guide - Page 52
the primary IDE channel. Serial number of HDD installed on the primary IDE channel. Model name of the ATAPI CD/DVD-ROM drive installed in the system. Version number of the BIOS setup utility. Version number of the VGA firmware. Version number of the keyboard controller. Serial number of the system - Acer Aspire 4920 | Service Guide - Page 53
during POST. Total size of VGA memory. When Enabled, the BIOS splash screen is displayed during startup. When Enabled, the system can be disables disk-to-disk recovery. D2D recovery is a method of restoring the system to factory configurations without using recovery CDs. Format/Option Format: HH - Acer Aspire 4920 | Service Guide - Page 54
Security Menu Parameter Supervisor Password Is User Password Is HDD Password Is Set Supervisor Password Set User Password Set HDD Password Password on Boot Description Indicates whether a supervisor password has been assigned. Indicates whether a user password has been assigned. Indicates whether - Acer Aspire 4920 | Service Guide - Page 55
Setting a System Password 1. 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. 2. Type a password then press Enter. The password may consist of up to six alphanumeric - Acer Aspire 4920 | Service Guide - Page 56
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. BIOS setup will display an error message if the drive(s) specified is not bootable. 46 Chapter 2 - Acer Aspire 4920 | Service Guide - Page 57
Changes Load Setup Defaults Discard Changes Save Changes Description Save changes made and close the BIOS setup. Discards changes made and close the BIOS setup. Loads the default settings for all BIOS setup parameters. Setup Defaults are quite demanding in terms of resources consumption. If you are - Acer Aspire 4920 | Service Guide - Page 58
48 Chapter 2 - Acer Aspire 4920 | Service Guide - Page 59
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: T Wrist grounding strap and conductive mat - Acer Aspire 4920 | Service Guide - Page 60
Instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 3. Place the system on a flat, stable surface. 4. Remove the battery - Acer Aspire 4920 | Service Guide - Page 61
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. Main Screw List Item A B C D E F G H I Screw M2 x L4 (torque 1.6) M2 x L4 (torque 3.0) M3 x L4 M2 x L6 M2 - Acer Aspire 4920 | Service Guide - Page 62
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 - Acer Aspire 4920 | Service Guide - Page 63
Removing the Battery Pack 1. Turn base unit over. 2. Slide the battery lock/unlock latch to the unlock position (1). 3. Slide and hold the battery release latch to the release position (2). 4. Remove the battery from the main unit (3). Chapter 3 53 - Acer Aspire 4920 | Service Guide - Page 64
Pack" on page 53. 2. Push against the card, as if you were pushing it further into the slot, letting the card spring out. 3. Remove the card from the slot. Removing the Express Dummy Card 1. See "Removing the Battery Pack" on page 53. 2. Push against the card,as if you were pushing it further into - Acer Aspire 4920 | Service Guide - Page 65
3. Remove the card from the slot. Removing the Lower Cover 1. See "Removing the Battery Pack" on page 53. 2. Turn the base unit over, then loosen the eight screws (A) on the lower cover. Step 1~8 Size (Quantity) M2 x L4 Color Black 3. - Acer Aspire 4920 | Service Guide - Page 66
4. Remove the lower cover from the lower case. Removing the DIMM 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. Push out the latches on both sides of the DIMM socket to release the DIMM. 4. Remove the DIMM module. 56 Chapter 3 - Acer Aspire 4920 | Service Guide - Page 67
Removing the WLAN Board Module 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. Detach the wireless board barcode label from the WLAN board. 4. Disconnect the two antenna cables from the WLAN board, then move the antennas away from the board. 5. - Acer Aspire 4920 | Service Guide - Page 68
sure the cable are routed properly. Removing the Hard Disk Drive Module 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page 54. 4. See "Removing the Lower Cover" on page 55. 5. Remove the screw (A) securing - Acer Aspire 4920 | Service Guide - Page 69
. Step 1~2 Size (Quantity) M2 x L4 (2) 8. Remove the hard disk drive. Color Silver Torque 3.0 kgf-cm Removing the Optical Drive Module 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. Remove the screw (C) on the bottom side of the unit, as shown - Acer Aspire 4920 | Service Guide - Page 70
4. Using the flat-blade screwdriver, press the end of the module forward, then slide out the optical drive module from the main unit. 5. Remove the two screws (D) securing the optical bracket and remove the locker bracket from the optical disk drive module. Step 1-2 Size (Quantity) M2 x L2.5 (2) - Acer Aspire 4920 | Service Guide - Page 71
Main Unit Disassembly Process Main Unit Disassembly Flowchart MAIN UNIT DISASSEMBLY MAIN UNIT CPU HEATSINK MODULE CPU KEYBOARD MIDDLE COVER Ax3 BOARD Ax4 LAUNCH BOARD BRACKET Ax3 LAUNCH BOARD Ax2 MAINBOARD BLUETOOTH BOARD Ax1 USB BOARD Ax2 MODEM BOARD RTC BATTERY LOWER CASE Chapter 3 61 - Acer Aspire 4920 | Service Guide - Page 72
Screw List A C F Screw M2 x L4 M2 x L6 M2.5 X L8 Removing the CPU Heatsink Module 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. Detach the heatsink cable from the mainboard. Part No. 86.00F24.724 86. - Acer Aspire 4920 | Service Guide - Page 73
Removing the CPU 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. See "Removing the CPU Heatsink Module" on page 62. 4. Using a flat screwdriver, turn - Acer Aspire 4920 | Service Guide - Page 74
Removing the Keyboard 1. See "Removing the Battery Pack" on page 53. 2. Press the plastic flat-blade screwdriver to the notches, shown below, to disengage the keyboard from the main unit. 3. Carefully pry - Acer Aspire 4920 | Service Guide - Page 75
Removing the Middle Cover 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Keyboard" on page 64. 3. Open the LCD screen all the way to facilitate the easy removal of the - Acer Aspire 4920 | Service Guide - Page 76
7. Detach the power board cable from the power board, then remove the middle cover. Removing the Power Board 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Keyboard" on page 64. 3. See "Removing the Middle Cover" on page 65. 4. Detach the mylar tape from the - Acer Aspire 4920 | Service Guide - Page 77
6. Remove the power board. Removing the Media Board 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Keyboard" on page 64. 3. See "Removing the Middle Cover" on page 65. 4. See "Removing the Power Board" on - Acer Aspire 4920 | Service Guide - Page 78
board cover and gently pry up the board until it releases from the cover. 9. Remove the media board. Removing the LCD Module 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. See "Removing the Keyboard" on page 64. 4. See "Removing the Middle Cover" on - Acer Aspire 4920 | Service Guide - Page 79
6. Disconnect the LCD coaxial cable from the mainboard. 7. Pull out the antenna cables as shown. 8. Turn the system over and remove the two screws (F) from the base of the unit. Step 1~2 Size (Quantity) M2.5 x L8 (2) Color Black Torque 4.0 kgf-cm Chapter 3 69 - Acer Aspire 4920 | Service Guide - Page 80
the cables back to the unit. Separating the Upper Case from the Lower Case 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page 54. 4. See "Removing the Lower Cover" on page 55. 5. See "Removing the DIMM" on - Acer Aspire 4920 | Service Guide - 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 71 - Acer Aspire 4920 | Service Guide - Page 82
17. Remove the three screws (A) on the upper case. Step 1~3 Size (Quantity) M2 x L4 (3) Color Black 18. Turn the system over and remove the eleven screws (C) on the lower case. Torque 1.6 kgf-cm Step 1~11 Size (Quantity) M2 x L6 (11) 19. Gently detach the upper case from the lower case. - Acer Aspire 4920 | Service Guide - Page 83
Removing the Speaker Modules 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page 54. 4. See "Removing the Lower Cover" on page 55. 5. See "Removing the DIMM" on page 56. 6. See "Removing the WLAN Board Module - Acer Aspire 4920 | Service Guide - Page 84
Removing the Launch Board 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page 54. 4. See "Removing the Lower Cover" on page 55. 5. See "Removing the DIMM" on page 56. 6. See "Removing the WLAN Board Module" - Acer Aspire 4920 | Service Guide - Page 85
the launch board. Color Black Torque 1.6 kgf-cm Removing the Touchpad Board Module 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page 54. 4. See "Removing the Lower Cover" on page 55. 5. See "Removing the - Acer Aspire 4920 | Service Guide - Page 86
15. Remove the two screws (A) on the touchpad bracket. Step 1~2 Size (Quantity) M2 x L4 (2) 16. Remove the touchpad bracket from the upper case. Color Black Torque 1.6 kgf-cm 17. Carefully insert the flat screwdriver under the side of the touchpad board and gently pry up the board. 76 - Acer Aspire 4920 | Service Guide - Page 87
board until it releases from the upper case, then remove the board. Removing the Bluetooth Board 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page 54. 4. See "Removing the Lower Cover" on page 55. 5. See - Acer Aspire 4920 | Service Guide - Page 88
16. Carefully detach the Bluetooth board from the lower case. Removing the USB board 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page 54. 4. See "Removing the Lower Cover" on page 55. 5. See "Removing the - Acer Aspire 4920 | Service Guide - Page 89
. Remove the USB board. Color Black Torque 1.6 kgf-cm Removing the Mainboard 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page 54. 4. See "Removing the Lower Cover" on page 55. 5. See "Removing the DIMM - Acer Aspire 4920 | Service Guide - Page 90
. See "Removing the LCD Module" on page 68. 14. See "Separating the Upper Case from the Lower Case" on page 70. 15. See "Removing the Bluetooth Board" on page 77. 16. See "Removing the USB board" on page 78. 17. Detach the media board cable from the lower case. 18. Detach - Acer Aspire 4920 | Service Guide - Page 91
the Modem Board 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page 54. 4. See "Removing 70. 15. See "Removing the Bluetooth Board" on page 77. 16. See "Removing the USB board" on page 78. Chapter 3 81 - Acer Aspire 4920 | Service Guide - 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 1~2 Size (Quantity) M2 x L4 (2) Color Silver Torque 1.6 kgf-cm 82 Chapter 3 - Acer Aspire 4920 | Service Guide - Page 93
the RTC Battery 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the SD Dummy Card" on page 54. 3. See "Removing the Express Dummy Card" on page Case from the Lower Case" on page 70. 15. See "Removing the Bluetooth Board" on page 77. 16. See "Removing the USB board" on page 78. - Acer Aspire 4920 | Service Guide - Page 94
19. Carefully detach the RTC battery from the SD card slot. 84 Chapter 3 - Acer Aspire 4920 | Service Guide - Page 95
LCD Module Disassembly Process LCD Module Disassembly Flowchart LCD MODULE DISASSEMBLY LCD MODULE Gx6 LCD BEZEL CAMERA BOARD Gx2 INVERTER BOARD LCD FPC CABLE LCD ASSEMBLY Gx2 Hx2 LEFT LCD BRACKET Hx2 RIGHT LCD BRACKET Gx1 LEFT HINGE Gx1 RIGHT HINGE MICROPHONES MAIN ANTENNA AUXILIARY - Acer Aspire 4920 | Service Guide - Page 96
Removing the LCD Bezel 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. See "Removing the DIMM" on page 56. 4. See "Removing the WLAN Board Module" - Acer Aspire 4920 | Service Guide - Page 97
14. Carefully pry open the LCD bezel and remove the bezel from the LCD module. Removing the Camera Board 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. See "Removing the DIMM" on page 56. 4. See "Removing the WLAN Board Module" - Acer Aspire 4920 | Service Guide - Page 98
14. Remove the camera board. Removing the Inverter Board 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. See "Removing the DIMM" on "Removing the LCD Bezel" on page 86. 13. Carefully detach the aluminum foil tape from the inverter board. 88 Chapter 3 - Acer Aspire 4920 | Service Guide - Page 99
board over. 16. Disconnect the 2P cable from the inverter board, then disconnect the inverter board cable from its connector. 17. Remove the inverter board. Removing the LCD with Brackets 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. See "Removing - Acer Aspire 4920 | Service Guide - Page 100
14. Remove the two screws (G) securing the left and right LCD brackets to the LCD back cover. Step 1~2 Size (Quantity) M2.5 x L6 (2) Color Silver 15. Detach the LCD with the brackets from the back cover, then turn it over. Torque 2.5 kgf-cm 16. Detach the acetic tapes holding the cables to the - Acer Aspire 4920 | Service Guide - Page 101
19. Disconnect the FPC cable from the LCD panel. Removing the LCD Brackets 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 3. See " on page 86. 13. See "Removing the Inverter Board" on page 88. 14. See "Removing the LCD with Brackets" on page 89. Chapter 3 - Acer Aspire 4920 | Service Guide - Page 102
) M2 x L3 (4) Color Silver Removing the LCD Module Hinges 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55. 12. See "Removing the LCD Bezel" on page 86. 13. See "Removing the Inverter Board" on page 88. 14. See "Removing the LCD with Brackets" on page 89 - Acer Aspire 4920 | Service Guide - Page 103
hinges from the LCD back cover. Removing the Antennas 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 55 68. 12. See "Removing the LCD Bezel" on page 86. 13. See "Removing the Inverter Board" on page 88. 14. See "Removing the LCD with Brackets" on page 89. 15 - Acer Aspire 4920 | Service Guide - Page 104
, then carefully remove the antenna. Removing the Microphones 1. See "Removing the Battery Pack" on page 53. 2. See "Removing the Lower Cover" on page 12. See "Removing the LCD Bezel" on page 86. 13. See "Removing the Inverter Board" on page 88. 14. See "Removing the LCD with Brackets" on page 89 - Acer Aspire 4920 | Service Guide - Page 105
17. Remove the microphones . Chapter 3 95 - Acer Aspire 4920 | Service Guide - Page 106
96 Chapter 3 - Acer Aspire 4920 | Service Guide - Page 107
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 sources when performing an assembly or disassembly procedures. 4. If any problems occur, you can perform the following - Acer Aspire 4920 | Service Guide - Page 108
. 2. See if CD-ROM Test is passed when the program runs the CD-ROM Test. 3. Follow onscreen instructions. If an error problems. Do not replace a non-defective FRU: 1. Reconnect the keyboard cable. 2. Replace the keyboard. 3. Replace the mainboard. The following auxiliary input devices are supported - Acer Aspire 4920 | Service Guide - Page 109
check that power supply. If you suspect a power problem, see the appropriate power supply check in the following list: T "Check the Power Adapter" on page 99 T "Check the Battery Pack" on page 99 Check the Power Adapter Unplug the power adapter cable from the system and measure the output voltage - Acer Aspire 4920 | Service Guide - Page 110
Check If the touchpad doesn't work, do the following procedures in sequence to correct the problem. Do not replace a non-defective FRU: 1. After rebooting, run Tracking Pad PS2 Mode Driver. For example Syn touch driver. 2. Run utility with the PS/2 mouse function and check if the mouse is working - Acer Aspire 4920 | Service Guide - Page 111
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. The error messages are listed in the coming pages to indicate the BIOS signals on the screen and the error symptoms classified by - Acer Aspire 4920 | Service Guide - Page 112
Mainboard T Run "Load Setup Defaults" in BIOS Setup Utility. T Mainboard T Run the BIOS Setup Utility to check if the fixed disk and drive A are properly identified. T CD/DVD-ROM drive T Hard disk drive T Mainboard T Power source (battery pack and power adapter.) See "Power System Check" on page 99 - Acer Aspire 4920 | Service Guide - Page 113
, power-on indicator turns on and LCD is blank. T Power source (battery pack and power adapter). See "Power System Check" on page 99. T Reconnect the LCD connector T Hard disk drive T LCD inverter ID T LCD cable T LCD Inverter board T LCD T Mainboard No beep, power-on indicator turns on and LCD - Acer Aspire 4920 | Service Guide - Page 114
RAM failure on data bits xxxx* of high byte of memory bus Test CPU bus-clock frequency Initialize Phoenix Dispatch Manager Warm start shut down Shadow system BIOS ROM Autosize cache Advanced configuration of chipset registers Load alternate registers with CMOS values Initialize interrupt vectors - Acer Aspire 4920 | Service Guide - Page 115
CMOS Initialize PCI bus and devices Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM Display BIOS Display shadow-area message Display possible high address for UMB recovery Display error messages Check for configuration errors Check for keyboard errors - Acer Aspire 4920 | Service Guide - Page 116
C1h C2h C3h 106 Beeps 1-2 1 POST Routine Description Initialize Extended BIOS Data Area Test and initialize PS/2 mouse Initialize floppy controller Determine Jump to UserPatch2 Build MPTABLE for multi-processor boards Install CD-ROM for boot Clear huge ES segment register Fixup Multiprocessor - Acer Aspire 4920 | Service Guide - Page 117
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 I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set Huge Segment - Acer Aspire 4920 | Service Guide - Page 118
T Run "Load Setup Defaults" in BIOS Setup Utility, then reboot system. T Reconnect inverter board. T Mainboard Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn't power-on. Check or do the following in sequence T Power source (battery pack and power adapter - Acer Aspire 4920 | Service Guide - Page 119
Setup Defaults" in BIOS Setup Utility, then reboot system. T DIMM T Mainboard Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound comes from the computer. Internal speakers make noise or emit no sound. Check or do the following in sequence T Audio driver T Speaker - Acer Aspire 4920 | Service Guide - Page 120
doesn't resume from standby mode after opening the LCD. Battery fuel gauge in Windows doesn't go higher than 90%. System hangs intermittently. Check problems. Check or do the following in sequence T Run "Load Setup Defaults" in BIOS Setup Utility, then reboot system. T Reconnect hard disk/CD- - Acer Aspire 4920 | Service Guide - Page 121
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: 1. Run the advanced diagnostic test for the mainboard in loop mode - Acer Aspire 4920 | Service Guide - Page 122
check them for damage. If any problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: T Non-Acer devices T Printer, mouse, and other external devices T Battery pack T Hard disk drive T DIMM T CD/DVD-ROM drive T PC cards 4. Power on the computer. 5. Determine if - Acer Aspire 4920 | Service Guide - Page 123
Chapter 5 System Block Diagram and Connector Locations System Block Diagram Chapter 5 113 - Acer Aspire 4920 | Service Guide - Page 124
Board Layout Top View # Item # Item 1 LCD connector 7 Power board cable connector 2 Internal microphone cable connector 8 USB board cable connector 3 Speaker cable connector 9 ExpressCard/54 slot 4 Keyboard cable connector 10 ICH8-M chipset (south bridge) 5 Touchpad cable - Acer Aspire 4920 | Service Guide - Page 125
Bottom View # Item # Item 1 AC-in jack 11 5-in-1 card reader 2 Mini-card connector 12 RTC battery cable connector 3 Battery cable connector 13 Modem board 4 CPU 14 Volume control wheel 5 Intel PM965 Express chipset (north bridge) 15 Line-in jack 6 CRT port 16 Microphone - Acer Aspire 4920 | Service Guide - Page 126
Switch Setting Short R525 to clear password. 116 Chapter 5 - Acer Aspire 4920 | Service Guide - Page 127
Bypassing Password Check 2. Hotkey to enable BIOS Recovery: press the combination Fn+ESC, then press 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 Bypassing - Acer Aspire 4920 | Service Guide - Page 128
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. If this function is enabled, the system will force the BIOS to enter a special BIOS block, called BootBlock. RD/CSD can use this special - Acer Aspire 4920 | Service Guide - Page 129
This chapter offers the FRU (Field Replaceable Unit) list in global configuration of Aspire 4920. Refer to this chapter whenever changed, it will NOT be noted on the printed Service Guide. For Acer authorized service providers, your Acer office may have a different part number code from those - Acer Aspire 4920 | Service Guide - Page 130
Aspire 4920 Exploded Diagram 120 Chapter 4 - Acer Aspire 4920 | Service Guide - Page 131
Aspire 4920 FRU List Category Adapter Battery Boards Part Name Description Acer Part No. Adapter 90W Delta ADP-90SB BBDAF Adapter 90W Delta ADP-90SB BBEA LF Adapter 90W Liteon PA-190024AR Adapter PANA Li 6C 2.4 SMP BT.00607.014 Bluetooth board Foxconn BCM2045 V01 BT Module Foxconn BCM2045 - Acer Aspire 4920 | Service Guide - Page 132
LAN 802.11ABGN Kedron ROW Wireless LAN 802.11ABGN Kedron Wireless LAN Board 802.11ABG Intel 3945 MW1 Wireless LAN Board 802.11ABG Intel 3945 MW2 Wireless LAN Board 802.11ABG Intel 3945 RW Wireless LAN Board 802.11BG Intel 3945BG Cables Bluetooth cable HL Bluetooth cable MEC Power board cable - Acer Aspire 4920 | Service Guide - Page 133
case/cover/bracket/assembly LCD latch bracket SD dummy card Description Code Denmark 10A 3P BK Code 10A 250V cord ACA/ACNZ Annie LCD latch ASSY SD dummy card Acer Part No. 27.01518.561 27.01518.671 4T906.001 42.TKJ01.001 New card dummy card Dummy new card 42.4T924.001 Lowercase ASSY L-Case 60 - Acer Aspire 4920 | Service Guide - Page 134
Category Part Name Touchpad bracket Description TP bracket ASSY Acer Part No. 60.4T904.001 Memory Combo module DVD module DVD module (cont.) 124 Middle cover VGA bracket Upper case w/ speaker M-cover ASSY ASSY MXM - Acer Aspire 4920 | Service Guide - Page 135
HDD 160GB SGT ST9160821AS HDD 160GB Toshiba MK1637GSX HDD 160GB WD WD1600BEVS-22RST0 ASSY Thermal DIS Foxconn ASSY Thermal DIS Robin ASSY Thermal DIS Forcecon Acer Part No. 60.4T918.001 G2.HDAHP.001 KH.08007.021 KH.08001.030 KH.08004.010 KH.08008.033 G2.HDAHP.002 KH.12007 - Acer Aspire 4920 | Service Guide - Page 136
Description IC CPU Merom T7100 1.8G PGA IC CPU Merom T7300 2.0G PGA IC CPU Merom T7500 2.2G PGA IC CPU Merom T7700 2.4G PGA Acer Part No. KC.71001.DTP KC.73001.DTP KC.75001.DTP KC.77001.DTP Keyboard 88 key Darfon NSKH3V1D UI US-IN Keyboard 88 key - Acer Aspire 4920 | Service Guide - Page 137
.02 V.00 Inverter board 17" YEC YNVW06S Inverter board 17" ROHS VK.21189.406 LCD cable 14.1: WXGA HL LCD cable 14.1: WXGA MEC Camera CMOS 0.3M Suyin CN0314-OV03 U Camera CMOS 0.3M Bison BN30V40717300 LCD bracket right LCD bracket left LCD bezel 14.1" LCD panel 14.1" Wireless antenna left/right - Acer Aspire 4920 | Service Guide - Page 138
Speaker pack left/left Speaker 23.40297.001 Mainboard Mainboard Aspire4920 w/ RTC battery and PCMCIA slot w/o CPU and DIMM Tahoe MB-DIS 06252-1 w/o modem 55.4T901.051G RTC Battery RTC battery RTC battery PCMCIA slot/PC card slot PCMCIA slot Miscellaneous LCD screw rubber Name plate Media - Acer Aspire 4920 | Service Guide - Page 139
Chapter 4 129 - Acer Aspire 4920 | Service Guide - Page 140
Model Definition and Configuration Aspire 4920 Appendix A Model RO Count ry Acer Part no Descriptio n CPU LCD DIMM DIMM HDD 1 1 2 (GB) ODD Wireless Bluetoot LAN h Appendix A 130 - Acer Aspire 4920 | Service Guide - Page 141
131 Appendix A - Acer Aspire 4920 | Service Guide - Page 142
Appendix A 132 - Acer Aspire 4920 | Service Guide - Page 143
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. Regarding configuration, combination and test procedures, please refer to the Aspire 4920 Vista - Acer Aspire 4920 | Service Guide - Page 144
Scanner D1250 (USB 2.0) (JP OS only) 450wbt deskjet printer (USB/Bluetooth) 2400 Scanjet (USB 1.1) Multimedia digital speaker (SC-UC78) WingMan RumblePad (G-UA3) Dolby Headphone 5.1 channel USB speaker EAB-MPC57USB iFun USB speaker Easy PC Camera (A20953-001) Micro USB 2.0 Web Cam USB zip 250MB MO - Acer Aspire 4920 | Service Guide - Page 145
Transcend 1394 camera Sony Access point 802.11b Cisco Access point 802.11a Intel NetGear Access point 802.11g D-Link Access point 802.11n D-Link Buffalo MIMO Bluetooth access point X Bridge Bluetooth device Sony Ericsson Device Description 80GB HDD USB 2.0+IEEE 1394 6-in-1 Flash card reader/writer - Acer Aspire 4920 | Service Guide - Page 146
BT300 Epson Bluetooth print adapter HP 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 Serial ATA - Acer Aspire 4920 | Service Guide - Page 147
card Compact Flash card 256/512MB Compact Flash card 2GB Compact Flash card 256/512MB Compact Flash card 2GB XD-Picture card RF Online SW Utility and Application Test PowerDVD Windows DVD Maker NTI-CD Maker NIS Launch Manager Wireless AP Bluetooth AP Acrobat Reader Office Item Description Result P - Acer Aspire 4920 | Service Guide - Page 148
138 Appendix B - Acer Aspire 4920 | Service Guide - Page 149
and valuable support resources whenever you need them. In the Technical Information section you can download information on all of Acer's Notebook, Desktop and Server models including: T Service guides for all models T User's manuals T Training materials T BIOS updates T Software utilities - Acer Aspire 4920 | Service Guide - Page 150
140 Appendix C