Acer TravelMate 7520 Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7
Acer TravelMate 7520 Manual
 |
View all Acer TravelMate 7520 manuals
Add to My Manuals
Save this manual to your list of manuals |
Acer TravelMate 7520 manual content summary:
- Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 1
TravelMate 7520/7520G/7220 Series Aspire 7420/7120 Series 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 TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 2
Revision History Please refer to the table below for the updates made on TravelMate 7520/7520G/7220 Series and Aspire 7420/7120 Series service guide. Date Chapter Updates II - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 3
by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expressed - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 4
are used in this manual: SCREEN MESSAGES Denotes actual messages that appear on screen. NOTE WARNING CAUTION IMPORTANT Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 5
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 modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cases - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 6
VI - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 7
Main 44 Advanced 46 Security 47 Boot 51 Exit 52 BIOS Flash Utility 53 Remove HDD/BIOS Utility 54 Machine Disassembly and Replacement 59 Disassembly Requirements 59 General Information 60 Pre-disassembly Instructions 60 Disassembly Process 60 External Module Disassembly Process 61 1 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 8
68 Removing the Hard Disk Drive Module 69 Removing the Optical Drive Module 70 Main Unit Disassembly Process 73 Main Unit Disassembly Flowchart 73 Removing the Modem Board 73 Removing the Heatsink Fan Module 74 Removing the CPU and VGA Heatsink Module 75 Removing the CPU 76 Removing the VGA - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 9
Replaceable Unit) List 129 TravelMate 7520/7520G/7220/7220G Exploded Diagram 130 Model Definition and Configuration 140 TravelMate 7520/7520G/7220/7220G Series 140 Test Compatible Components 163 Microsoft® Windows® Vista Environment Test 164 Online Support Information 167 Index 169 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 10
Table of Contents 4 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 11
/TV-out (NTSC/PAL) support K DVI-D (true digital video interface) support Storage subsystem K 80/120/160 GB or larger hard disk drive with enhanced Acer DASP (Disk Anti-Shock Protection) (for selected models) K 80/120/160 GB or larger hard disk drive with Acer DASP (Disk Anti-Shock Protection) (for - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 12
: jDVD-Super Multi double-layer drive jDVD/CD-RW combo drive K 5-in-1 card reader supporting Secure Digital™ (SD), MultiMediaCard (MMC), Memory Stick® (MS), Memory Stick PRO™ (MS PRO), xD-Picture Card™ (xD) Input devices K 105-/106-key keyboard with inverted "T" cursor layout, 2.5 mm (minimum - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 13
K Headphones/speaker/line-out jack K Line-in jack K Microphone jack K Ethernet (RJ-45) port K Modem (RJ-11) port K DC-in jack for AC adaptor Environment K Temperature: jOperating: 5 °C to 35 °C jNon-operating: -20 °C to 65 °C K Humidity (non-condensing): jOperating: 20% to 80% jNon-operating: 20% to - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 14
1394 Cardbus Cardreader 25/26 PCMCIA I/F PWR SW CP2211F 26 1394 CONN 27 PCMCIA SLOT Support TypeII 27 MS/MS Pro/xD/ MMC/SD 4 in 1 27 AZALIA AMP G1410Q 22 CCD .3M/1.3M 14 MINI USB BlueTooth 22 Touch INT. BIOS Pad 33 KB 33 W25X80-VSS34 CDROM PATA 21 Finger print 33 System Block Diagram - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 15
Your Acer Notebook tour After knowing your computer features, let us show you around your new TravelMate computer. Front View Icon Item Description 1 Acer CrystalEye 0.3 megapixel web camera for video communication. 2 Microphone Internal microphone for sound recording. 3 Display screen - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 16
as Acer BioProtect fingerprint reader supporting Acer FingerNav Keyboard For entering data into your computer. 10 Power button Turns lid. Speakers Left and right speakers deliver stereo audio output. 5-in-1 card reader Accepts Secure Digital (SD, MultiMediaCard (MMC), Memory Stick (MS), Memory - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 17
10/100/1000-based network. DVI-D port Supports digital video connections. External display (VGA) port Connects to a display device (e.g., IEEE 1394 devices. ExpressCard/54 slot PC Card slot eject button PC Card slot Accepts one ExpressCard/54 module. Ejects the PC Card from the slot. Accepts - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 18
eject button Emergency eject hole Description Internal optical drive; accepts CDs or DVDs Lights up when the optical drive is active. Ejects the optical disk from the drive. Ejects the optical drive tray when the computer is turned off. # 1 2 3 4 Icon Item Three USB 2.0 ports Modem (RJ-11 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 19
1 Second Hard disk Houses the computer's optional second hard bay disk. (Secured with a screw). 2 Memory Houses the computer's main memory. compartment 3 Battery lock Locks the battery in position. 4 Battery release Releases the battery to remove the battery pack. latch 5 Battery bay - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 20
Power Indicates the computer's power status. Battery Indicates the computer's battery status. Bluetooth Indicates the status of Bluetooth communication. Wireless LAN Indicates the status of wireless LAN communication. HDD Indicates when the hard disk drive is active. Num Lock Caps Lock - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 21
give users one-touch access to protection and manageability features for a more secure, smarter and easier way to work. K Lock key - runs the Windows® lock function to lock the notebook when you step out. If the laptop is equipped with Acer BioProtect, you only need to swipe your finger to log into - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 22
speed as doubleclicking a mouse button) then hold finger to the touchpad on the second tap to drag the cursor. Click and hold to move up/down/left/right. , the lighter the touch, the better the response. Tapping too hard will not increase the touchpad's responsiveness. NOTE: By default, vertical and - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 23
embedded numeric keypad, separate cursor, lock, Windows, function and special keys. Lock Keys and embedded numeric keypad The keyboard has three lock keys which you can toggle be to connect an external keypad. When Scroll Lock is on, the screen moves one line up or down when you press the up or down - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 24
Keys The keyboard has two keys that perform Windows-specific functions. Key Windows key 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 of functions - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 25
output and the BIOS utility. To activate Acer eSettings in Acer Empowering Technology. Launches Acer ePower Management in Acer Empowering Technology. Puts the computer in Sleep mode. Switches display output between the display screen, external monitor (if connected) and both. Turns the display screen - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 26
, or hold and then press the key at the upper-center of the keyboard. NOTE: This function varies by the operating system version. NOTE: Some fonts and software do not support the Euro symbol. Please refer to www.microsoft.com/ typography/faq/faq12.htm for more information. 16 Chapter - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 27
Empowering Technology program group in Start menu. You can also set Acer eNet Management to start automatically when you boot up your PC. Acer eNet Management automatically detects the best settings for a new location, while offering you the option to manually adjust the settings to match your needs - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 28
Acer eNet Management can save network settings for a location to a profile, and automatically switch to the 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. 18 Chapter 1 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 29
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 TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 30
Click "Apply". To edit a power plan: Editing a power plan allows you to adjust system settings like LCD brightness and CPU speed. You can also turn on/off system components to extend battery life. 1. Switch to the power plan you wish to edit 2. Adjust settings as required. 3. Click "Apply" to save - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 31
vendor. 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 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 32
- 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. K Optical Drive Devices - includes any kind of CD-ROM, DVD-ROM - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 33
created backups or reinstall applications and drivers. By default, user-created backups are stored to the D:\ drive. Acer eRecovery Management provides you with: K Password protection (Empowering Technology password) K Full and incremental backups to hard disk or optical disc K Creation of backups - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 34
CD or Acer eRecovery Management, detach all peripherals (except the external Acer ODD, if your computer has one), including your Acer ezDock. Acer eSettings Management Acer eSettings Management allows you to inspect hardware specifications, set BIOS passwords and modify boot options. Acer eSettings - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 35
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: K Use the shortcut key < > + K Start Windows Mobility Center - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 36
will trigger Shadow to archive the previous version of the file. The file versions are stored in a Revisions folder in the backup destination. Users can configure how many versions of a file to maintain. Shadow supports backups on local hard drives, USB/FireWire external hard drives, USB pen drives - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 37
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 oSfttahret fAolul rPrdoisgpralamyssettings indicAacteerdGbreidloVwist:a Chapter 1 27 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 38
set up: 1. Run Acer GridVista and select your preferred screen configuration for each display from the task bar. 2. Drag and drop each window into the appropriate grid. 3. Enjoy the convenience of a well-organized desktop. NOTE: Please ensure that the resolution setting of the second monitor is set - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 39
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 TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 40
1394 1.0, USB/1394 CD-ROM Boot Up support, PC Card Standard 1995 (PCMCIA 3.0 Compliant Device), IrDA 1.0, Intel AC97 CNR Specification, WfM 2.0, PXE 2.1, Boot Integrity Service Application Program Interface (BIS) 1.0, PC99a and Mobile PC2001 Compliant Set by setup manual Item Cache controller Cache - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 41
System Memory Item Memory controller Memory size DIMM socket number Supports memory size per socket Supports maximum memory size Supports DIMM type Supports DIMM Speed Supports DIMM voltage Supports DIMM package Memory module combinations Specification Built-in 0MB (no on-board memory) 2 sockets - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 42
(full speed data rate) Bluetooth 1.1 (Upgradeable to Bluetooth 1.2 when SIG specification is ratified). USB 1.1 USB Wireless Module 802.11b/g Item Chipset Data throughput Protocol Interface Specification Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED® solution, supporting Acer SignalUp™ with InviLink - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 43
SATA 540 150 MB/Sec. Ultra DMA mode-5 150 MB/Sec. Ultra DMA mode-5 5V(DC) +/- 5% 5V(DC) +/- 5% Combo Drive module Item Vendor & model name Performance Specification Transfer rate (KB/sec) Buffer Memory Interface Applicable disc format Loading mechanism Power Requirement Input Voltage Chapter - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 44
Transfer rate (KB/sec) Buffer Memory Interface Applicable disc format Loading mechanism Power Requirement Input Voltage Specification HLDS Super-Multi Drive GSA-T20N, PHILIPS Super-Multi Drive DS8A1P, PIONEER Super-Multi Drive DVR-K17RS With CD Diskette With DVD Diskette Sustained: Max - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 45
Item Chipset Package Interface Supports ZV (Zoomed Video) port Video Memory Item Chipset Memory size Interface Item Chipset Yes Yes/2 (1.5W speakers) Specification ATI M66/M74/M76 MXM Daughter Board PCIE Yes Specification ATI M66/M74/M76 MXM up to 256MB GDDR2 Specification ICH8M 2.0 USB 1.1 and USB - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 46
Chips Item VGA LAN USB 2.0 Super I/O controller MODEM Bluetooth Wireless 802.11 b+g PCMCIA/ 5 in 1 Card Reader Audio Codec Keyboard Item Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously Battery Item Vendor & model name Battery Type Pack - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 47
model name Screen Diagonal (mm) Active Area (mm) Display resolution (pixels) Pixel Pitch Pixel Arrangement Display Mode Typical White Luminance (cd/m2) Support Color Viewing Angle (degree) Horizontal: Right/Left Vertial: Upper/Lower Temperature Range( ° C) Operating Storage (shipping) Specification - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 48
Working (G0/S0) Suspend to RAM (S3) Save to Disk (S4) Specification 90V AC to 264V AC, 47Hz to 63Hz 1.7A turned off completely. Individual devices such as the CPU and hard disc may be power managed in this state. CPU set power down VGA Suspend PCMCIA Suspend Audio Power Down Hard Disk Power Down CD - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 49
Setup. Please also refer to Chapter 4 Troubleshooting when problem arises. To activate the BIOS Utility, press F2 during POST (when "Press to enter Setup" message is prompted on the bottom of screen). Press F2 to enter setup. The default parameter of F12 Boot Menu is set to "disabled". If you - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 50
Navigating the BIOS Utility There are six menu options: Information, Main, Advanced, Security, Boot, and Exit. Follow these instructions: K To choose a menu, shown on the bottom of the screen. Help for parameters are found in the Item Specific Help part of the screen. Read this carefully when making - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 51
screen displays a summary of your computer hardware information. Phoenix TrustedCore(tm) Setup Utility Information Main Advanced Security Boot Exit CPU Type: CPU Speed: IDE0 Model Name: IDE0 Serial Number: IDE1 Model Name: IDE1 Serial Number: ATAPI Model Name: System BIOS Version: VGA BIOS - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 52
System Time: System Date: System Memory: Extended Memory: Video Memory: [10:10:10] [05/18/2007] 640 KB 766 MB [256] MB Item Specific Help , , or selects field. Quiet Boot: Power on Display Network Boot: F12 Boot Menu: D2D Recovery: [Enabled] [Auto] [Enabled] [Disabled - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 53
System Time System Date System Memory Extended Memory VGA Memory Quiet Boot Power on Display Network Boot F12 Boot Menu D2D Recovery Description Format/Option Sets the system time. The hours are displayed Format: HH:MM:SS with 24-hour format. (hour:minute:second) System Time Sets the system - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 54
Setup Utility Information Main Advanced Security Boot Exit Infrared Port: [Enabled] Item Specific Help ASF Configuration Configure AHCI Mode F10 Save and Exit The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 55
the whole setup utility. It can be used to boot up when Password on boot is enabled. F1 Help Esc Exit Select Item -/+ Change Values F9 Setup Defaults Select Menu Enter Select Sub-Menu F10 Save and Exit NOTE: Please refer to "Remove HDD/BIOS Password" section if you need to know how to - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 56
Boot Description Shows the setting of the Supervisor password Shows the setting of the user password. Shows the setting of the hard disk drive set, this password protects the BIOS Setup Utility from unauthorized access password, you may have to return your notebook computer to your dealer to reset it - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 57
Removing a Password Follow these steps: 1. Use the w and y keys to highlight the Set you can enable the Password on boot parameter. 6. When you are done, press u to save the changes and exit the BIOS Setup Utility. If the verification is OK, the screen will display as following. The password - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 58
If the current password entered does not match the actual current password, the screen will show you the Setup Warning. If the new password and confirm new password strings do not match, the screen will display the following message. 50 Chapter 2 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 59
Bootable devices includes the distette drive in module bay, the onboard hard disk drive and the CD-ROM in module bay. Information Phoenix TrustedCore(tm) Setup Utility Main Advanced Security Boot Exit Boot priority order: 1: IDE0: XXXXXXXXXXX-(XX) 2: IDE1: 3: CD/DVD: XXXXXXXXXXX-XXX XX-XXXX - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 60
Exit screen contains parameters that help safeguard and protect your computer from unauthorized use. Information Phoenix TrustedCore(tm) Setup Utility Main Advanced Security Boot Exit Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Item Specific - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 61
Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Phlash. NOTE: Please use the AC adaptor power supply when you run the Phlash utility. If the battery pack does not contain enough power to finish BIOS flash, you may not boot the system because the BIOS is not completely loaded - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 62
Utility This section provide you with removing HDD/BIOS method: Remove HDD Password: K If you key in wrong HDD password for three time, "HDD password error code" would display on the screen. See the image below. K If you need to solve HDD password locked problem, you can run HDD_PW.EXE 1. Key in - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 63
Remove BIOS Password: K If you key in wrong Supervisor Password for three time, "System Disabled" would display on the screen. See the image below. Chapter 2 55 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 64
K If you need to solve BIOS password locked problem, you can run BIOS_PW.EXE 1. Key in "bios_pw 14452 0" 2. Choose one upper-case string K Reboot the system and key in "qjjg9vy" or "07yqmjd" to BIOS user password. 56 Chapter 2 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 65
Chapter 2 57 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 66
58 Chapter 2 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 67
procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need screws for the different components vary in size. During the disassembly process, group the screws with the corresponding components to avoid - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 68
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 TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 69
first remove the keyboard, then disassemble the inside assembly frame in that order. EXTERNAL MODULE DISASSEMBLY TURN OFF POWER AND PERIPHERALS UNPLUG POWER CABLES Cx2 WLAN BOARD Bx9 LOWER COVER Ax1 OPTICAL DISK DRIVE MODULE DIMM MODULES HDD MODULE Gx4 HARD DISK BRACKET OPTICAL DISK DRIVE - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 70
Removing the Battery Pack 1. Turn base unit over. 2. Slide the battery lock/unlock latch to the unlock position. 3. Slide and hold the battery release latch to the release position, then remove the battery from the main unit. 62 Chapter 3 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 71
Removing the SD dummy card 1. Push the SD dummy card all the way in to eject it (1, 2). 2. Pull it out from the slot (2). Removing the PC and ExpressCard dummy cards 1. Press the eject button to pop out the button. Chapter 3 63 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 72
2. Press it again (1) to pop out the PC dummy card (2). Remove the PC dummy card from the slot. 3. Push the ExpressCard dummy card all the way in to eject it. 4. Pull it out from the slot. Removing the Lower Cover 1. See "Removing the Battery Pack" on page 62. 64 Chapter 3 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 73
a plastic screw driver to carefully pry open the lower cover. Torque 1.6 kgf-cm 6. Remove the lower cover from the lower case. Removing the Secondary HDD Cover 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the SD dummy card" on page 63. 3. See "Removing the PC and ExpressCard - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 74
6. Use a plastic screw driver to pry open the secondary HDD cover. Torque 1.6 kgf-cm 7. Remove the secondary HDD cover from the lower case. Removing the Secondary HDD Bracket and Connector 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Secondary HDD Cover" on page 65. 66 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 75
3. Remove the HDD Bracket from the slot. 4. Disconnect the SATA power connector. 5. Disconnect the SATA connector. 6. Remove the aluminum tape together with the connector. Chapter 3 67 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 76
out the latches on both sides of the DIMM socket to release the DIMM. 7. Remove the DIMM module. Removing the WLAN Board Modules 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the SD dummy card" on page 63. 3. See "Removing the PC and ExpressCard dummy cards" on page 63. 4. See - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 77
kgf-cm NOTE: When attaching the antenna back to the WLAN board, make sure the cable are arranged properly. Removing the Hard Disk Drive Module 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the SD dummy card" on page 63. 3. See "Removing the PC and ExpressCard dummy cards" on page - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 78
it or placing heavy objects on top of it. 7. Remove the four screws (G) as shown. Step 1~4 Size (Quantity) M3 x L4 (4) Color Silver 8. Remove the hard disk drive from the bracket. Torque 1.8 kgf-cm Removing the Optical Drive Module 1. See "Removing the Battery Pack" on page 62. 70 Chapter 3 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 79
2. Turn the base unit over, then remove the one screw (A) on the bottom side of the unit. Step 1 Size (Quantity) M2.5 x L6 (1) Color Black 3. Carefully use a plastic screw driver to eject the optical drive tray. Torque 3.0 kgf-cm 4. Pull the optical drive module out from the main unit. - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 80
5. Remove the two screws (K) securing the locker bracket and remove the locker bracket from the optical disk drive module. Step 1~2 Size (Quantity) M2 x L3 (2) Color Black Torque 1.6 kgf-cm 72 Chapter 3 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 81
Main Unit Disassembly Process Main Unit Disassembly Flowchart MAIN UNIT DISASSEMBLY MAIN UNIT Cx2 HEAT SINK FAN C x9 (Cx5 for UMA module) MIDDLE COVER Cx2 MODEM BOARD CPU/VGA THERMAL MODULE CPU Dx2 VGA BOARD KEYBOARD Ax2 Hx2 LCD MODULE Cx 1 POWER BOARD A x 20 UPPER CASE Jx1 Cx4 MAIN - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 82
the main board. Torque 1.8 kgf-cm NOTE: The modem cable is still attached to the modem board. 7. Disconnect the modem cable from the modem board. Removing the Heatsink Fan Module 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Lower Cover" on page 64. 74 Chapter 3 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 83
heatsink fan module. Step 1~2 Size (Quantity) M2 x L4 (2) Color Silver 5. Remove the heatsink fan module from the main board. Torque 1.6 kgf-cm Removing the CPU and VGA Heatsink Module 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Lower Cover" on page 64. Chapter 3 75 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 84
Silver 4. Slide out and remove the heatsink module. Torque 3.0 kgf-cm Removing the CPU 1. See "Removing the Battery Pack" on page 62.. 2. See "Removing the Lower Cover" on page 64.. 3. See "Removing the Heatsink Fan Module" on page 74. 4. See "Removing the CPU and VGA Heatsink Module" on page 75 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 85
Using a flat screwdriver, turn the CPU socket latch counter-clockwise to release the CPU, then remove the CPU. NOTE: When installing the CPU, make sure to install the CPU with PIN 1 at the corner as shown. Removing the VGA board (for Discrete model only) 1. See "Removing the Battery Pack" on page - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 86
6. Carefully remove the VGA board from the main board. Removing the Middle Cover and the Power Board 1. See "Removing the Battery Pack" on page 62. 2. Open the LCD screen all the way to facilitate the easy removal of the middle cover. 3. To remove the Middle Cover, carefully insert the plastic flat - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 87
securing the Power board to the middle cover, and remove the Power board from the middle cover. Step 1 Size (Quantity) M2 x L4 (1) Color Silver Torque 1.6 kgf-cm Removing the Keyboard 1. See "Removing the Battery Pack" on page 62.. 2. See "Removing the Middle Cover and the Power Board" on page - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 88
3. Release the top latches securing the keyboard in place. 4. Carefully pry the keyboard out of the side latches and slide it out; then turn it over on the touchpad area. 5. Disconnect the keyboard cable from the main board to remove the keyboard. 80 Chapter 3 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 89
the LCD Module 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Lower Cover" on page 64. 3. See "Removing the WLAN Board Modules" on page 68. 4. See "Removing the Middle Cover and the Power Board" on page 78. 5. See "Removing the Keyboard" on page 79. 6. Remove the acetic tape and - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 90
antenna cables from the hole and latches as shown. 9. Remove the two screws (A) from the base of the unit. Step 1~2 Size (Quantity) M2.5 x L6 (2) Color Black Torque 4.0 kgf-cm 10. Remove the two screws (H) from the left and right hinge of the LCD module. Step 1~2 Size (Quantity) M2.5 x L8 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 91
Modules" on page 68. 9. See "Removing the Hard Disk Drive Module" on page 69. 10. See "Removing the Optical Drive Module" on page 70. 11. See "Removing the Modem Board" on page 73. 12. See "Removing the Heatsink Fan Module" on page 74. 13. See "Removing the CPU and VGA Heatsink Module" on page 75 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 92
20. Disconnect the DC in cable from the main board. 21. Disconnect the Launch board cable from the SWITCHCN1 from the main board. 22. Disconnect the fingerprint cable (select model only) from the FPCN1 connector on the main board. 23. Disconnect the touchpad cable from the TOUCHPAD1 on the main - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 93
Secondary HDD Cover" on page 65. 6. See "Removing the Secondary HDD Bracket and Connector" on page 66. 7. See "Removing the DIMM" on page 68. 8. See "Removing the WLAN Board Modules" on page 68. 9. See "Removing the Hard Disk Drive Module" on page 69. 10. See "Removing the Optical Drive Module" on - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 94
Modules" on page 68. 9. See "Removing the Hard Disk Drive Module" on page 69. 10. See "Removing the Optical Drive Module" on page 70. 11. See "Removing the Modem Board" on page 73. 12. See "Removing the Heatsink Fan Module" on page 74. 13. See "Removing the CPU and VGA Heatsink Module" on page 75 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 95
14. See "Removing the CPU" on page 76. 15. See "Removing the VGA board (for Discrete model only)" on page 77. 16. See "Removing the Middle Cover and the Power Board" on page 78. 17. See "Removing the Keyboard" on page 79. 18. See "Removing the LCD Module" on page 81. 19. See "Separating the Upper - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 96
22. Remove the four screws (C) on the touch pad bracket and remove the touch pad bracket from the upper case. Step 1~4 Size (Quantity) M2 x L4 (4) Color Silver 23. Remove the fingerprint board from the upper case. Torque 1.6 kgf-cm 88 Chapter 3 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 97
Modules" on page 68. 9. See "Removing the Hard Disk Drive Module" on page 69. 10. See "Removing the Optical Drive Module" on page 70. 11. See "Removing the Modem Board" on page 73. 12. See "Removing the Heatsink Fan Module" on page 74. 13. See "Removing the CPU and VGA Heatsink Module" on page 75 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 98
20. Disconnect the USB cable from the main board. 21. Disconnect the Bluetooth cable from the BLUE1 connector on the main board. 22. Disconnect the speaker cable from the SPKR1 on the main board. 23. Remove the four screws (C) holding the main board. Step 1~4 Size (Quantity) M2 x L4 (4) Color - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 99
Modules" on page 68. 9. See "Removing the Hard Disk Drive Module" on page 69. 10. See "Removing the Optical Drive Module" on page 70. 11. See "Removing the Modem Board" on page 73. 12. See "Removing the Heatsink Fan Module" on page 74. 13. See "Removing the CPU and VGA Heatsink Module" on page 75 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 100
Modules" on page 68. 9. See "Removing the Hard Disk Drive Module" on page 69. 10. See "Removing the Optical Drive Module" on page 70. 11. See "Removing the Modem Board" on page 73. 12. See "Removing the Heatsink Fan Module" on page 74. 13. See "Removing the CPU and VGA Heatsink Module" on page 75 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 101
Modules" on page 68. 9. See "Removing the Hard Disk Drive Module" on page 69. 10. See "Removing the Optical Drive Module" on page 70. 11. See "Removing the Modem Board" on page 73. 12. See "Removing the Heatsink Fan Module" on page 74. 13. See "Removing the CPU and VGA Heatsink Module" on page 75 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 102
21. Remove the one screw (C) securing the USB board to the lower case. Step 1 Size (Quantity) M2 x L4 (1) Color Silver 22. Remove the USB Board from the lower case. Torque 1.6 kgf-cm 94 Chapter 3 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 103
DISASSEMBLY LCD MODULE Ax8 LCD BEZEL Ax2 LCD ASSEMBLY Ax1 INVERTER BOARD LCD FPC CABLE Fx2 Fx2 LEFT LCD RIGHT LCD BRACKET BRACKET Ex 1 LEFT HINGE Ex1 RIGHT HINGE LCD BACK PANEL Main Screw List Item A E F ANTENNAS INTERNAL MICROPHONE VGA CAMERA Screw M2.5 x L6 M2.5 x L5 M2 x L3 Part - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 104
LCD Bezel 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Lower Cover" on page 64. 3. See "Removing the WLAN Board Modules" on page 68. 4. See "Removing the Middle Cover and the Power Board" on page 78. 5. See "Removing the LCD Module" on page 81. 6. Remove the four upper bezel - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 105
the LCD module with the Brackets 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Lower Cover" on page 64. 3. See "Removing the WLAN Board Modules" on page 68. 4. See "Removing the Middle Cover and the Power Board" on page 78. 5. See "Removing the LCD Module" on page 81. 6. See - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 106
with the brackets from the back cover. Torque 3.0 kgf-cm Removing the Inverter Board and FPC Cable 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Lower Cover" on page 64. 3. See "Removing the WLAN Board Modules" on page 68. 4. See "Removing the Middle Cover and the Power Board - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 107
. 10. Disconnect the FPC cable from the LCD panel. Removing the LCD Brackets 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Lower Cover" on page 64. 3. See "Removing the WLAN Board Modules" on page 68. 4. See "Removing the Middle Cover and the Power Board" on page 78. 5. See - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 108
the left and right hinge to the back cover. Step 1~2 Size (Quantity) M2.5 x L5 (2) Color Black 9. Remove the left and right hinge from the back cover. Torque 2.5 kgf-cm Removing the Antennas 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Lower Cover" on page 64. 3. See - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 109
with the antenna cables from the back cover. Removing the Internal Microphone and Web Camera 1. See "Removing the Battery Pack" on page 62. 2. See "Removing the Lower Cover" on page 64. 3. See "Removing the WLAN Board Modules" on page 68. 4. See "Removing the Middle Cover and the Power Board" on - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 110
" on page 97. 8. See "Removing the Left and Right Hinge" on page 100. 9. See "Removing the Antennas" on page 100. 10. Remove the tape holding the internal microphone in place. 11. Remove the internal microphone from the back cover. 12. Remove the Web camera from the back cover. 102 Chapter 3 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 111
Chapter 4 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. 1. Obtain the failing symptoms in as - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 112
damage to the drive or can cause the drive to fail. Do the following to select the test device: 1. Boot from the diagnostics diskette and start the diagnostics program. 2. See if CD-ROM Test is passed when the program runs to CD-ROM Test. 3. Follow the instructions in the message window. If an error - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 113
error messages on the screen, or hang the system. 1. Boot from the diagnostics diskette and start the doagmpstotics program (please refer to main board. 2. Go to the diagnostic memory in the test items. 3. Press F2 in the test items. 4. Follow the instructions in the message window. NOTE: Make sure - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 114
voltage is within the range, do the following: K Replace the System board. K If the problem is not corrected, see "Undetermined Problems" on page 122. K If the voltage is not correct, go to the next step. the operational charge does not work, see "Check the Battery Pack" on page 107. 106 Chapter 4 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 115
in the screen for Current Power Source and Total Battery Power Remaining are correct. 3. Repeat the steps 1 and 2, for both battery and adapter. 4. This helps you identify first the problem is on recharging or discharging. From Hardware: 1. Power off the computer. 2. Remove the battery pack and - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 116
original part back in the computer. Do not replace a non-defective FRU. This index can also help you determine the next possible FRU to be replaced when servicing a computer. If the symptom is not listed, see "Undetermined Problems" on page 122. The following lists the error messages that the BIOS - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 117
Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2. IDE Primary Channel Master Drive Error (THe causes will be shown before "Equipment Configuration Error") Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 118
Setup Utility. RTC battery System board DIMM BIOS ROM System board None BIOS ROM System board Run "Load Default Settings" in BIOS Setup Utility. RTC battery System board Enter Setup and see if fixed disk and drive A: are properly identified. Diskette drive Hard disk drive System board 110 Chapter - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 119
. Reconnect the DIMM. LED board. System board. No beep, power-on indicator turns on and LCD is blank. Power source (battery pack and power adapter). See "Power System Check" on page 105.. Reconnect the LCD connector Hard disk drive LCD inverter ID LCD cable LCD Inverter LCD System board No beep - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 120
Management Load alternate registers with initial POST values Restore CPU control word during warm boot Initialize PCI Bus Mastering devices Initialize keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 121
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 Test for unexpected interrupts Initialize POST display service Display prompt "Press F2 to enter - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 122
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 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 123
the CPU Initialize the system timer Initialize system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type Initialize Memory size Shadow Boot Block System memory test - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 124
Code F5h F6h F7h Beeps Boot to Mini DOS Clear Huge Segment Boot to Full DOS 116 Chapter 4 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 125
). See "Power System Check" on page 105. Battery pack Power adapter Hard drive & battery connection board System board Power source (battery pack and power adapter). See "Power System Check" on page 105. Battery pack Power adapter Hard drive & battery connection board System board Chapter 4 117 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 126
. Audio driver Speaker System board Speaker System board Action in Sequence Power Management-Related Symptoms Symptom / Error Action in Sequence The system will not enter hibernation See "Save to Disk (S4)" on page 39. Keyboard (if control is from the keyboard) Hard disk drive System board - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 127
board Hard disk drive System board See "Save to Disk (S4)" on page 39. LCD cover switch System board Remove battery pack and let it cool for 2 hours. Refresh battery (continue use battery until power off, then charge battery). Battery pack System board Reconnect hard disk/CD-ROM drives. Hard disk - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 128
Keyboard/Touchpad-Related Symptoms Symptom / Error Touchpad does not work. Action in Sequence Reconnect touchpad cable. Touchpad board board System board NOTE: If you cannot find a symptom or an error in this list and the problem remains, see "Undetermined Problems" on page 122. 120 Chapter 4 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 129
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 system board in loop mode at least 10 times - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 130
that all attached devices are supported by the computer. NOTE: Verify problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: K Non-Acer devices K Printer, mouse, and other external devices K Battery pack K Hard disk drive K DIMM K CD-ROM/Diskette drive Module K PC - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 131
Jumper and Connector Locations Top View Chapter 5 No. Description 1 Power Cable Connector 2 LCD Cable Connector 3 Touchpad Board Connector 4 Keyboard Connector No. Description 5 Fingerprint/Touchpad Connector 6 Bluetooth Connector 7 Speaker Connector Chapter 5 123 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 132
Bottom View No. Description 1 CPU 2 SATA Connector 3 PC Card Reader 4 LAN Connector 5 CRT Connector 6 1394 Connector 124 No. Description 7 USB Connector 8 Card Reader 9 Line-out jack 10 Mic-in jack 11 Headphone jack Chapter 5 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 133
directory. a. Unzip HIC100WW to C:\ HIC100WW b. Plug in the AC adapter. c. Boot to pure Windows. d. To flash the BIOS by WFlash utility to update the BIOS via double click C:\ HIC100WW \Windows\ BIOSV1.00.exe Password Bypassing and Bios Recovery : For RD and CSD to debug easily, TM5520/TM5220/EX5420 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 134
the 2 triangle PIN pad as shown above and then powering on the system will force the BIOS to clear Supervisor and User passwords. 2. Clearing HDD password: To decode HDD password error code for unlocking hard disk in a DOS environment. A\> unlock6 XXXXX 00 XXXXX - HDD password error code Unlock6.exe - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 135
Insert the Crisis Disk to a USB floppy drive which is attached to the failed machine. c. On the power-off state, press Fn+ESC, hold them, then press the power button. The system should be powered on with Crisis Recovery process. d. BootBlock BIOS starts to restore the failed BIOS code. Short beeps - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 136
128 Chapter 5 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 137
in global configurations of TravelMate 5710/5310 and Extensa 5610/5210. Refer to this chapter whenever ordering for parts to repair or for part number change is made, it will not be noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 138
TravelMate 7520/7520G/7220/7220G Exploded Diagram TravelMate 7520/7520G/7220/7220G FRU List Category Adapter Battery- No. Part Name and Description ADAPTER 90W DELTA ADP-90SB BBDAR ADAPTER 90W DELTA ADP-90SB BBEA LF ADAPTER 90W LITEON PA-190004WR ADAPTER 90W LITEON PA-190024AR Acer Part No. AP - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 139
BATTERY PACK LI 6CELL 2.0MAH SIMPLO BATTERY PACK LI+ 8CELL 2.4MAH SANYO BATTERY PACK LI+ 8CELL 2.4MAH SONY BATTERY PACK LI+ 8CELL 2.4MAH PANASONIC BATTERY PACK LI+ 8CELL 2.4MAH SIMPLO RTC BATTERY COIN BATTERY CR2032 MITSUBISHI Acer Part BOARD 802.11ABG KEDRON ROW VGA BOARD ATI MXM71 128MB GDDR - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 140
Name and Description FINGER PRINT BOARD CABLE Acer Part No. 50.TK901.001 TOUCHPAD CABLE 50.TK901.002 LAUNCH BOARD CABLE POWER BOARD CABLE BLUETOOTH CABLE MODEM CABLE 50.TK901.003 50.TK901.004 50.TK901.005 50.TK901.006 USB BOARD CABLE DC-IN CABLE COVER SWITCH CABLE LCD CABLE 15.4" 50.TK901 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 141
Category Case/Cover/Bracket/Assembly No. Part Name and Description Acer Part No. POWER CORD 10A 125V POWER CORD 250V 10A 3PIN ISRAEL 27.01518.761 VGA BOARD BRACKET MXM BRACKET ASSEMBLY TOUCH PAD BRACKET ASSEMBLY PCMCIA DUMMY CARD MIDDLE COVER ASSEMBLY NEW CARD DUMMY CARD SD DUMMY CARD LOWER - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 142
ASSEMBLY OPTICAL BRACKET COMBO BEZEL DVD-RW BEZEL HDD BRACKET ASSEMBLY LCD BRACKET RIGHT LCD BRACKET LEFT LCD COVER 15.4" W/ HINGE & LOGO LCD BEZEL 15.4" W/ LOGO FOR CCD HINGE PACK LEFT/RIGHT SPEAKER Acer Part No. 60.TKC01.002 60.TK901.003 33.TK901.002 42.TK901.002 42.TK501.002 33.TK901 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 143
PANASONIC UJ-850UAA1-A LF W/O BEZEL DVD-RW DRIVE 8X S-MULTI PHILIPS DS-8A1P LF W/O BEZEL DVD-RW DRIVE 8X S-MULTI HLDS GSA-T20N LF W/O BEZEL KU.00805.038 KU.00807.055 KU.00809.010 KU.0080D.027 15" FAN FORCECON 23.TK901.001 Heatsink HDD/Hard Disk Drive CPU HEATSINK W/SCREW W/O FAN 60.TKA01.002 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 144
Category Keyboard 136 No. Part Name and Description HDD 80GB 5400RPM SATA SEAGATE ST980811AS VENUS LF HDD 80GB 5400RPM SATA HGST HTS541680J9SA00 SURUGA-B LF HDD 80GB 5400RPM SATA WD WD800BEVS-22RST0ML80 LF Acer Part No. KH.08001.030 KH.08007.021 KH.08008.033 HDD 120GB 5400RPM SATA SEAGATE - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 145
14_15KB-EV2 89KS BLACK CANADIAN (BIG ERGO) DARFON KEYBOARD 14_15KB-EV2 89KS BLACK BRAZILIAN PORTUGUESE (BIG ERGO) DARFON KEYBOARD 14_15KB-EV2 89KS BLACK BELGIUM (BIG ERGO) DARFON KEYBOARD 14_15KB-EV2 88KS BLACK ARABIC/ENGLISH (BIG ERGO) DARFON Acer Part No. KB.INT00.018 KB.INT00.019 KB.INT00 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 146
Category No. Part Name and Description Acer Part No. LCD 15.4" WXGA AU B154EW02-V1 GLARE LK.15405.014 LCD 15.4" WXGA LG LP154WX4TLC2 GLARE LK.15408.028 Camera Communication Module Microphone Main Board PCMCIA Slot/PC Card Slot Memory Miscellaneous 138 CAMERA CMOS 0.3M BISON BN30V4O717300 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 147
.5 x L8 NYLOK CR3+ SCREW M2.5 x 5 NI SCREW MACH WAFER M3 x L4 NI SCREW M2.5 x L5 BLACK ZN+NYLOK SCREW DIMM COVER STEEL SCREW M2 x 4 WAFER NI SCREW NI M2 x L6 Acer Part No. 40.TK601.001 47.TK501.001 86.00C07.220 86.00E33.736 86.00E34.738 86.TK901.001 886.9A524 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 148
and Configuration TravelMate 7520/7520G/7220/7220G Series Model RO AS505 AAP 1ANW XMi AS505 AAP 1ANW XMi AS505 AAP 1ANW XMi AS505 AAP 1ANW XMi AS505 AAP 1ANW XMi AS505 AAP 1ANW XMi AS505 AAP 1ANW XMi Country India Indonesia Malaysia Philippines Singapore Thailand Vietnam Acer Part no LX - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 149
Mi Country USA/ Canada Canadian French USA/ Canada Canadian French Australia/ New Zealand USA/ Canada ACLASpanish USA/ Canada Indonesia Malaysia Philippines Acer Part no Descriptio n CPU LX.AV 30J.00 1 AS5051AW XMi MCECF UMAC 2*512/120/ 6L/5R/ CB_bg_0.3 C_AN ATMK 36 LX.AV 30J.00 2 AS5051AW - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 150
Mi AS505 PA 1AWX Mi AS505 TWN 1AWX Mi AS505 TWN 2WXM i AS505 TWN 5WXM i AS505 China 1AWX Ci AS505 China 1AWX Ci Country Acer Part no Descriptio n CPU Thailand LX.AV 305.00 4 AS5051AW XMi XPHTH2 UMAC 1*512/120/ 6L/5R/ CB_bg_0.3 C_AN ATMK 36 Vietnam LX.AV 305.00 5 AS5051AW XMi - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 151
AS505 AAP 1AWX Mi AS505 AAP 1AWX Mi AS505 AAP 1AWX Mi Country GCTWN GCTWN GCTWN Australia/ New Zealand Singapore India Indonesia Philippines Malaysia Acer Part no Descriptio n CPU LX.AV 305.01 2 AS5051AW XMi XPHTC1 UMAC 1*512/120/ BT/6L/5R/ CB_bg_0.3 C_AN ATMK 36 LX.AV 305.01 4 AS5051AW XMi - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 152
i AS505 AAP 2WXM i AS505 AAP 2WXM i Country Thailand Vietnam Australia/ New Zealand Australia/ New Zealand India Indonesia Singapore Philippines Malaysia Acer Part no Descriptio n CPU LX.AV 30J.01 7 AS5051AW XMi MCETH1 UMAC 1*1G/120/ 6L/5R/ CB_bg_0.3 C_AN ATMK 36 LX.AV 30J.01 8 AS5051AW - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 153
AAP 1ANW XMi AS505 AAP 1ANW XMi AS505 AAP 1ANW XMi Country Thailand Vietnam Australia/ New Zealand India Vietnam Thailand Singapore India Indonesia Acer Part no Descriptio n CPU LX.AV 30J.00 9 AS5052WX Mi MCETH1 UMAC 1*1G/120/ 6L/5R/ CB_bg_0.3 C_AN ATTL5 0 LX.AV 30J.01 0 AS5052WX Mi MCEVN1 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 154
AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country Philippines Malaysia Thailand Thailand Belgium Middle East Middle East Italy Spain Acer Part no Descriptio n CPU LX.AV 30C.0 11 AS5051AN WXMi LINPUSPH 1 UMAC 1*512/60/ 6L/5R/ CB_bg_0.3 C_AN ATMK 36 LX.AV 30C.0 12 AS5051AN WXMi - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 155
EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country Eastern Europe Denmark France Germany Germany Holland Norway Russia Eastern Europe Acer Part no Descriptio n CPU LX.AV 30J.03 0 AS5051AW XMi MCECS5 UMAC 2*512/100/ 6L/ 5R_bg_0.3 C_AN ATMK 36 LX.AV 30J.02 4 AS5051AW XMi MCEDK6 UMAC - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 156
EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country Acer Part no Descriptio n CPU Slovenia/ Croatia LX.AV 30J.03 7 AS5051AW XMi MCESI1 UMAC 2*512/100/ 6L/ 5R_bg_0.3 C_AN ATMK 36 Portugal LX.AV 30J.03 8 AS5051AW XMi - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 157
AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country France Belgium Middle East Eastern Europe Germany Greece Israel Italy Denmark Acer Part no Descriptio n CPU LX.AV 30J.02 6 AS5051AW XMi MCEWFR1 1W UMAC 2*512/100/ 6L/ 5R_bg_0.3 C_AN ATMK 36 LX.AV 305.01 9 AS5051AW XMi XPHBE1 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 158
EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country Acer Part no Descriptio n CPU Holland LX.AV 305.02 0 AS5051AW XMi XPHNL1 UMAC 2*512/100/ 6L/ 5R_bg_0.3 C_AN ATMK 36 France LX.AV 305.02 1 AS5051AW XMi XPHFRA - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 159
1AWX Mi AS505 EMEA 1AWX Mi AS505 PA 2WXM i Country South Africa Norway Russia Sweden/ Finland France Italy UK UK USA/ Canada Canadian French Acer Part no Descriptio n CPU LX.AV 305.01 7 AS5051AW XMi XPHSA1 UMAC 2*512/100/ 6L/ 5R_bg_0.3 C_AN ATMK 36 LX.AV 305.02 4 AS5051AW XMi XPHNO1 UMAC - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 160
1AWX Mi Country USA/ Canada Canadian French ACLASpanish ACLASpanish Australia/ New Zealand Malaysia Malaysia Sweden/ Finland Slovenia/ Croatia Holland Acer Part no Descriptio n CPU LCD DIMM DIMM HDD 1 1 2 (GB) ODD Wirele ss LAN Blueto oth VOIP Phone LX.AV AS5052WX ATTL5 N14.1 SO512 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 161
AS505 AAP 3WXM i AS505 EMEA 1ANW XMi AS505 EMEA 1ANW XMi Country Russia Holland Russia Sweden/ Finland Slovenia/ Croatia Thailand Thailand Middle East Middle East Acer Part no Descriptio n CPU LX.AV 30J.05 2 AS5051AW XMi MCERU9 UMAC 1*512/100/ BT/6L/5R/ CB_bg_VP _0.3C_AN ATMK 36 LX.AV 30J.05 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 162
XMi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 TWN 2WXM i AS505 TWN 2WXM i AS505 EMEA 1AWX Mi Country Acer Part no Descriptio n CPU Middle East LX.AV 30C.0 20 AS5051AN WXMi LINPUSAR 7 UMAC 1*512/60/ BT/6L/ 5R_bg_0.3 C_AN ATMK 36 France LX.AV 30C.0 21 AS5051AN - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 163
EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country Acer Part no Descriptio n CPU Switzerland LX.AV 30J.06 0 AS5051AW XMi MCESW8 UMAC 2*512/120/ 6L/5R/ CB_bg_0.3 C_AN ATMK 36 Portugal LX.AV 30J.06 1 AS5051AW XMi - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 164
EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country Acer Part no Descriptio n CPU Holland LX.AV 30J.06 9 AS5051AW XMi MCENL6 UMAC 2*512/120/ 6L/ 5R_bg_0.3 C_AN ATMK 36 Italy LX.AV AS5051AW ATMK 30J.07 XMi - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 165
AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country Eastern Europe Sweden/ Finland UK UK Turkey Italy UK France Germany Acer Part no Descriptio n CPU LX.AV 30J.06 8 AS5051AW XMi MCEPL7 UMAC 2*512/120/ 6L/ 5R_bg_0.3 C_AN ATMK 36 LX.AV 30J.06 7 AS5051AW XMi MCESV5 UMAC 2*512 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 166
EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country Germany Middle East Denmark Belgium Eastern Europe UK UK Eastern Europe Spain Acer Part no Descriptio n CPU LX.AV 305.05 7 AS5051AW XMi XPHDE7 UMAC 2*512/120/ 6L/ 5R_bg_0.3 C_AN ATMK 36 LX.AV 305.06 1 AS5051AW XMi XPHAR1 UMAC 2*512 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 167
AS505 AAP 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi Country Greece Israel France Italy Eastern Europe Holland Malaysia Norway South Africa Acer Part no Descriptio n CPU LX.AV 305.05 4 AS5051AW XMi XPHEL1 UMAC 2*512/120/ 6L/ 5R_bg_0.3 C_AN ATMK 36 LX.AV 305.06 9 AS5051AW XMi XPHIS1 UMAC - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 168
EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1AWX Mi AS505 EMEA 1ANW XMi AS505 EMEA 1AWX Mi Country Acer Part no Descriptio n CPU Russia LX.AV 305.04 9 AS5051AW XMi XPHRU2 UMAC 2*512/120/ 6L/ 5R_bg_0.3 C_AN ATMK 36 Sweden/ Finland LX.AV 305.05 0 AS5051AW XMi - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 169
Model RO AS505 AAP 2NWX Mi Country India Acer Part no LX.AV 30C.0 26 Descriptio n AS5052N WXMi LINPUSIL1 UMAC 1*512/80/ BT/6L/5R/ CB_bg_0.3 C_AN CPU ATTL5 0 LCD DIMM DIMM 1 2 N14.1 SO512 N WXGA MBII5 G HDD 1 (GB) N80G B5.4K ODD NSM8 X Wirele ss LAN Blueto oth VOIP Phone ABT_ FOX_ N - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 170
Appendix A 162 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 171
tested under Windows® XP Home, Windows® XP Pro 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 TravelMate 7520/7520G/7220 Series and Aspire 7420/7120 - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 172
Microsoft® Windows® Vista Environment Test CRT Port Test CRT Monitor Item LCD Monitor Projector USB Port Test USB Keyboard/Mouse USB Speaker/Joystick USB Storage Drive USB Camera USB HUB and Others USB Printer/Scanner USB Flash Drive USB HDD Device Name Acer 211c 21", ViewSonic G220F, - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 173
Drive 1394 Camera 1394 Hub Access Point 802.11a Access Point 802.11b Access Point 802.11g Access Point 802.11n Bluetooth Test Bluetooth Portable 80GB Hard Disk Sony DV- Bluetooth Access Point BT300 Epson Bluetooth Print Adapter HP Deskjet 450wbt AmbiCom Bluetooth Wireless CompactFlash Card with PC - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 174
) SD Card Apacer 128/256MB Transcend 256MB SanDisk 256MB Apacer 2GB (150x Hi-Speed) KINGMAX 1GB (66x Hi-Speed) SanDisk 1GB RiDATA 4GB SD PRO Memory Card MS Card I-O DATA 64MB MS Apacer 128MB MS Sony 512 MS PRO Lexar 512MB MS PRO Lexar 1GB MS PRO SanDisk 1GB MS PRO - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 175
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: K Service guides for all models K User's manuals K Training materials K Bios updates K Software utilities K Spare parts - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 176
168 Appendix C - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 177
CPU Fan True Value Table 31 D DIMM Module 68 Display 4 display hotkeys 16 Index Index E Error Symptom-to-Spare Part Index 108 Euro 17 External CD-ROM Drive Check 104 External Module Disassembly Flowchart 61 F Features 1 Flash Utility 53 fpc cable 98 FRU (Field Replaceable Unit) List 129 H Hard disk - Acer TravelMate 7520 | Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 178
Unit Disassembly Flowchart 73 Mainboard 89 media access on indicator 10 Memory Check 105 Middle Cover and Power Board 78 Model Definition 140 Modem Board 73 N Notebook Manager hotkey 16 num lock on indicator 10 O Online Support Information 167 optical drive module 70 P Panel 5 Bottom 9 left 5 PC