Acer TM 4520 SG.book Page I Friday, June 22, 2007 5:43 PM Acer TravelMate 4520 Notebook Computer Service Guide Service guide files and updates are available on the Acer CSD web site at http://csd.acer.com.
Acer TM 4520 SG.book Page II Friday, June 22, 2007 5:43 PM Revision History Refer to the table below for the updates made on this version of the TravelMate 4520 Notebook Computer Service Guide.
Acer TM 4520 SG.book Page III Friday, June 22, 2007 5:43 PM Copyright Copyright © 2007 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated.
Acer TM 4520 SG.book Page IV Friday, June 22, 2007 5:43 PM Conventions The following textual conventions are used in this service guide. IV SCREEN MESSAGES Denotes actual messages that appear on screen. NOTE Gives additional information related to the current topic. WARNING Alerts you to any physical risk or system damage that might result from doing or not doing specific actions. CAUTION Gives precautionary measures to avoid possible hardware or software problems.
Acer TM 4520 SG.book Page V Friday, June 22, 2007 5:43 PM Service Guide Coverage This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market requirements and enhance product competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra memory capability).
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Acer TM 4520 SG.
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Acer TM 4520 SG.book Page 1 Friday, June 22, 2007 5:43 PM Chapter 1 System Tour Features Your TravelMate 4520 is part of the Acer ProFile line of notebook computers. It provides superior computing performance and flexible usability in a classic matte black magnesium alloy casing. NOTE: The features listed in this section is for your reference only. The exact configuration of your TravelMate computer depends on the model purchased.
Acer TM 4520 SG.book Page 2 Friday, June 22, 2007 5:43 PM Display and graphics T 14.1" WXGA TFT LCD (1280 x 800 pixel resolution, 16.
Acer TM 4520 SG.book Page 3 Friday, June 22, 2007 5:43 PM I/O interface Front panel T t IEEE 1394 t Infrared (IR) t USB 2.0 (1x) t UAA (Universal Audio Architecture)2 ready audio jacks: line-in, microphone-in, and headphone T Rear panel: Modem (RJ-11) T Left panel t Kensington lock t USB 2.0 (1x) t 5-in-1 card reader slot Right panel T t PC Card slot (Type II) t USB 2.
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Acer TM 4520 SG.book Page 5 Friday, June 22, 2007 5:43 PM TravelMate Tour This section is a virtual tour of your TravelMate notebook’s interior and exterior components. Open Front View Number Icon Item Description 1 Acer OrbiCam camera Conduct video communication. (for selected models) 2 Internal microphone Create sound recording and conduct voice communication. 3 LCD panel Displays computer output. 4 Keyboard For entering data into your computer.
Acer TM 4520 SG.book Page 6 Friday, June 22, 2007 5:43 PM Close Front View Number 6 Icon Item Description 1 IEEE 1394 ports Connects to a IEEE 1394 devices. 2 IR port Interfaces with IR-aware (e.g. infrared printer, IR-aware computers and mobile phone). Your computer can transfer data at speeds of up to 4 Mbps at a distance of up to one meter. 3 Front USB 2.0 port Connects to USB 2.0 devices (e.g. USB mouse, USB camera). 4 Line-in jack Accepts audio line-in devices (e.g.
Acer TM 4520 SG.book Page 7 Friday, June 22, 2007 5:43 PM Left View Number 1 Icon Item Description Kensington lock notch Accepts a Kensington-compatible computer security lock. 2 Optical disc drive (ODD) Accepts CDs or DVDs (drive type maybe slot-load or tray-load depending on model). 3 ODD access indicator * Lights up when a the optical drive is active . 4 ODD eject button * 5 Emergency eject hole * Ejects the ODD tray when the computer is turned off. 6 USB 2.0 port Connects to USB 2.
Acer TM 4520 SG.book Page 8 Friday, June 22, 2007 5:43 PM Right View Number Icon Item Description 1 PC Card slot eject button Ejects the PC Card from the slot. 2 PC Card slot Accepts one Type II PC Card. 3 USB 2.0 ports Connects to USB 2.0 devices. 4 S-Video/TV-out port Connects to a television or display device with an Svideo input. Supports both NTSC and PAL standards. 5 Ethernet port (RJ-45) Connects to an Ethernet 10/100/1000-based network (selected models).
Acer TM 4520 SG.book Page 9 Friday, June 22, 2007 5:43 PM Base View Number Icon Item Description 1 Battery lock Secures the battery pack in position. 2 Battery pack Provides power to the computer. 3 Battery release latch Releases the battery pack for removal. 4 Ventilation slots Enable the computer to stay cool, even after prolonged use. Note: Do not cover or obstruct the opening of the fan. 5 Acer DASP pad Provides anti-shock/bump protection to the hard drive.
Acer TM 4520 SG.book Page 10 Friday, June 22, 2007 5:43 PM Status Indicators The computer has several status indicators for monitoring various system components and functions. Number Icon Indicator Description 1 Hard drive activity Flashes green when there is hard drive activity. 2 Num Lock Lights up green when the Num Lock function is activated. 3 Caps Lock Lights up green when the Caps Lock function is activated.
Acer TM 4520 SG.book Page 11 Friday, June 22, 2007 5:43 PM Easy-launch Keys On the upper right side of the keyboard are special keys for launching commonly-used programs. Use Launch Manager to customize the function assigned to any of these keys. Go to page 25 for instructions. Number Icon Indicator Description 1 Acer Empowering key * Press to launch the Acer Empowering Technology widgets. 2 Web browser * Press to launch the preferred Internet browser.
Acer TM 4520 SG.book Page 12 Friday, June 22, 2007 5:43 PM Productivity Keys The productivity keys on the upper right side of the keyboard provides one-touch manageability for a more secure and smarter work mode. Number 12 Icon Indicator Description 1 Lock Press to launch the Windows Lock window. This enable users to protect the system from unauthorized access. If your computer is equipped with an Acer Bio-Protection fingerprint reader, you only need to swipe your finger to log into Windows again.
Acer TM 4520 SG.book Page 13 Friday, June 22, 2007 5:43 PM Chapter 2 System Utilities Phoenix TrustedCore Setup Utility Phoenix TrustedCore Setup Utility is a hardware configuration program built into your system's Basic Input/ Output System (BIOS). Since most systems are already properly configured and optimized, there is normally no need to run this utility.
Acer TM 4520 SG.book Page 14 Friday, June 22, 2007 5:43 PM Accessing the Setup Utility 1. Turn on the computer. If the computer is already turned on, save your data and close all open applications, then restart the computer. 2. During POST, press F2. If you fail to press F2 before POST is completed, you will need to restart the computer. The first page to be displayed will be the Information menu. Use the left ( move between selections on the menu bar.
Acer TM 4520 SG.book Page 15 Friday, June 22, 2007 5:43 PM Navigating Through the Setup Utility Use the keys listed in the legend bar on the bottom of the Setup screen to work your way through the various menu and submenu screens of the Setup Utility. The table below lists these legend keys and their respective functions. Key and and F5 or (-) F6, (+), or Space Function To move between selections on the menu bar. To move the cursor to the field you want.The currently selected field will be highlighted.
Acer TM 4520 SG.book Page 16 Friday, June 22, 2007 5:43 PM Setup Utility Menus The PhoenixBIOS Setup Utility has five menus for configuring the various system functions. These include: • Information • Main • Security • Boot • Exit Information The Information menu screen displays a summary of your computer hardware information. These information are necessary for troubleshooting and may be required when asking for technical support.
Acer TM 4520 SG.book Page 17 Friday, June 22, 2007 5:43 PM Main The Main menu screen allows you to configure the basic system settings and view the memory allocations. Field Description Value System Time Set the system time. HH:MM:SS (hour:minute:second) System Date Set the system date. MM/DD/YYYY (month/day/year) System Memory Displays the size of system memory detected during boot-up. Memory size is fixed at 640 MB.
Acer TM 4520 SG.book Page 18 Friday, June 22, 2007 5:43 PM Security The Security menu screen displays system passwords options to help safeguard and protect your computer from unauthorized use. Field Description Value Supervisor Password Is Indicates whether a supervisor password is in use (Set) or not (Clear). User Password Is Indicates whether a user password is in use (Set) or not (Clear). HDD Password Is Indicates whether an HDD password is in use (HDD Password Set) or not (Clear).
Acer TM 4520 SG.book Page 19 Friday, June 22, 2007 5:43 PM Setting a system password Note the following before you define a system password: • The maximum length of password contains eight alphanumeric characters—A - Z, 0 - 9, and ‘;’ (for a French keyboard). • System passwords are case-insensitive. • Password re-try is limited to three times. If user failed to enter the correct password, the system will hang up. To set a system password: 1.
Acer TM 4520 SG.book Page 20 Friday, June 22, 2007 5:43 PM To change a system password: 1. Press or to highlight an enabled password field, then press Enter. The password box appears. 2. Type the original password, then press Enter. 3. Type a new password, then press Enter. 4. Retype the new password to verify the first entry, then press Enter. You will be prompted to save the new password. 5. Press Enter. 6. Press F10 to save the password and close the Setup Utility.
Acer TM 4520 SG.book Page 21 Friday, June 22, 2007 5:43 PM 5. Peel off the black tape near the DIMM slot to expose the SW1 dip switch. 6. Locate the G41 pin. 7. Short the G41 pin to clear all system passwords. 8. Reinstall the memory modules and the lower case cover. 9. Turn on the computer and press F2 during bootup to access the Setup Utility. 10. Press F9 to load the system defaults. 11. Press F10 to save the changes you made and close the Setup Utility.
Acer TM 4520 SG.book Page 22 Friday, June 22, 2007 5:43 PM Boot The Boot menu screen allows users to set the drive sequence in which Setup attempts to boot the operating system. By default, Setup searches for boot devices in the order shown in the screen below. To set the boot drive sequence: 22 1. Press or to select a bootable device. 2. Press F6 to move the device up the list, or F5 to move it down the list. 3. Press F10 to save the changes you made and close the Setup Utility.
Acer TM 4520 SG.book Page 23 Friday, June 22, 2007 5:43 PM Exit The Exit menu displays the several options on how to quit from the Setup Utility. Select any of the exit options then press Enter. Option Description Exit Saving Changes Saves changes made and closes the Setup Utility. Keyboard shortcut: F10· Exit Discarding Changes Discards changes made and closes the Setup Utility. Load Setup Defaults Loads the factory-default settings for all Setup fields.
Acer TM 4520 SG.book Page 24 Friday, June 22, 2007 5:43 PM BIOS Flash Utility The BIOS flash memory update is required under the following conditions: T When there are new versions of system programs T When new hardware options are installed T When the BIOS has been corrupted and you need to restore it BIOS Flash Precautions T If you do not have a crisis recovery diskette at hand, create a Crisis Recovery Diskette in Windows XP of Vista before you use the flash utility.
Acer TM 4520 SG.book Page 25 Friday, June 22, 2007 5:43 PM Launch Manager Launch Manager allows users to configure three of the easy-launch keys—Acer Empowering, Web browser, and Mail. To configure an easy-launch key: 1. Select Start | All Programs | Launch Manager. 2. Select which key to configure, then click the Add button opposite it. 3. You can set the key to open a particular file or program, or display a Web site address.
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Acer TM 4520 SG.book Page 27 Friday, June 22, 2007 5:43 PM Chapter 3 System Disassembly This chapter provides step-by-step instructions on how to disassemble the notebook computer for maintenance and troubleshooting purposes.
Acer TM 4520 SG.book Page 28 Friday, June 22, 2007 5:43 PM System Screw List Listed below are the screw types used in this system, plus their corresponding part numbers. NOTE: The screws for the different components vary in size. During the disassembly process, group the screws with their corresponding components to avoid mismatches when putting back the components. Screw Type Color Part Number A M2 x L8 BZN+NYLOK Black 86.00D75.220 B M2 x L4 BZN Black 86.00A02.140 C M2.
Acer TM 4520 SG.book Page 29 Friday, June 22, 2007 5:43 PM External Modules Disassembly External Modules Disassembly Flowchart Turn off computer and disconnect power cord SD dummy card EXpressCard dummy card Battery pack L-case cover (Ax1, Bx7, Cx1) DIMM WLAN board (Dx2) HDD assembly ODD assembly Fan (Dx1) Hard drive shielding (Ex2) ODD bracket (Cx1) Heat sink (Dx4, Gx5) Hard drive module ODD module (Fx2) Processor VGA board (Fx2) Screw A Type M2 x L8 BZN+NYLOK Part Number 86.00D75.
Acer TM 4520 SG.book Page 30 Friday, June 22, 2007 5:43 PM Removing the SD Dummy Card 1. Push against the card, as if you were pushing it further into the slot, letting the card spring out. 2. Pull the SD dummy card out of its slot. Removing the PC Card Dummy Card 1. 30 Press the PC card slot eject button to pop it out, then press it again to eject the dummy card.
Acer TM 4520 SG.book Page 31 Friday, June 22, 2007 5:43 PM 2. Pull the PC Card dummy card out of its slot. Removing the Battery Pack 1. Turn the unit over with the base facing upward. 2. Slide the battery lock to the unlock position. 3. Slide and hold the battery release latch, then remove the battery pack from its bay.
Acer TM 4520 SG.book Page 32 Friday, June 22, 2007 5:43 PM Removing the Lower Case Cover 1. Remove the screws securing the lower case cover. Step 1 2. Type Quantity Color Torque M2 x L8 BZN+NYLOK 1 Black 1.6 kgf-cm +/-15% M2 x L4 BZN 4 Black 1.6 kgf-cm +/-15% Pry the lower case cover from the main unit, then remove it. Removing the Memory Modules 1. 32 Push out the latches on both sides of the exterior DIMM slot (DM1).
Acer TM 4520 SG.book Page 33 Friday, June 22, 2007 5:43 PM 2. Remove the memory module from its slot. 3. Repeat steps 1 and 2 to remove the second memory module. Removing the WLAN Board 1. Peel off the end of the bar code tape securing the WLAN antennas. 2. Disconnect the antennas from the WLAN board, then move them away from the board.
Acer TM 4520 SG.book Page 34 Friday, June 22, 2007 5:43 PM 3. Remove the screws securing the WLAN board. Step 3 4. Type M2 x L4 BZN+NYLOK Quantity 2 Color Silver Torque 1.6 kgf-cm +/-15% Remove the WLAN board from its slot (MINIC1). Removing and Dismantling the HDD Assembly 1. 34 Use the clear plastic tab and the black mylar tape to disconnect the HDD assembly from its connector (SATA).
Acer TM 4520 SG.book Page 35 Friday, June 22, 2007 5:43 PM 2. Remove the HDD assembly from the main unit. 3. Remove the HDD rubber enclosure from the assembly. 4. Remove the screws on the HDD module shielding.
Acer TM 4520 SG.book Page 36 Friday, June 22, 2007 5:43 PM 5. Remove the shielding from the HDD module. Removing and Dismantling the ODD Assembly 1. Remove the screw securing the ODD assembly to the main unit. Step 1 2. 36 Type M2.5 x L8 Quantity 1 Color Black Torque 3 kgf-cm +/-15% Use a plastic flat screwdriver to push the ODD assembly out of the main unit.
Acer TM 4520 SG.book Page 37 Friday, June 22, 2007 5:43 PM 3. Pull the ODD assembly out of its bay. 4. Remove the screws securing the ODD bracket. Step 4 5. Type M3 x L4 Quantity 2 Color Silver Torque 3 kgf-cm +/-15% Detach the ODD bracket from the module.
Acer TM 4520 SG.book Page 38 Friday, June 22, 2007 5:43 PM Removing the Processor Cooling Fan 1. Disconnect the fan cable from its system board connector (FAN1). 2. Remove the screws securing the cooling fan. Step 2 3. 38 Type M2 x L4 BZN+NYLOK Quantity 2 Color Black Torque 1.6 kgf-cm +/-15% Peel off the aluminum tape on the top edge of the cooling fan.
Acer TM 4520 SG.book Page 39 Friday, June 22, 2007 5:43 PM 4. Remove the cooling fan from the main unit. Removing the Heat Sink 1. Remove the screws securing the heat sink. Step 1 2. Type M2 x L2.5 BZN+NYLOK Quantity 5 Color Silver Torque 1.6 kgf-cm +/-15% Carefully pull the heat sink from the unit base, then remove it from the system board.
Acer TM 4520 SG.book Page 40 Friday, June 22, 2007 5:43 PM Removing the Processor 1. Use a flat screwdriver to turn the processor socket lock to the counter-clockwise to the unlock position (note the unlock icon). Torque value: 3 kgf-cm +/-15% 2. Hold the processor by its edges and remove it from its socket (U52). IMPORTANT: When installing a processor, note the golden arrow on the corner to make sure the processor is properly oriented over the socket. Refer to the figure above.
Acer TM 4520 SG.book Page 41 Friday, June 22, 2007 5:43 PM Main Unit Disassembly IMPORTANT: To prevent from scratching or damaging the LCD panel, cover it with a protective film before disassembling the main unit.
Acer TM 4520 SG.book Page 42 Friday, June 22, 2007 5:43 PM Removing the Middle Cover 1. Open the LCD panel completely to facilitate the easy removal of the middle cover. 2. Use a plastic flat screwdriver to pry open the outer edge of the cover, then continue prying on the hinge sides until the cover is released from the U-case. 3. Remove the middle cover from the main unit. Removing the Keyboard 1. Remove the screws securing the keyboard. Step 1 42 Type M2 x L2.
Acer TM 4520 SG.book Page 43 Friday, June 22, 2007 5:43 PM 2. Detach the top edge keyboard from the upper case, then turn it over the palmrest to gain access to the keyboard cable. 3. Disconnect the keyboard cable from its system board connector (KB1) to completely detach the keyboard from the main unit. Removing the LCD Module 1. Peel off the silver acetic tape protecting the LCD cable.
Acer TM 4520 SG.book Page 44 Friday, June 22, 2007 5:43 PM 44 2. Disconnect the LCD cable from its system board connector (LCD1). 3. Peel off the masking tape securing the WLAN and internal microphone cables to the U-case. 4. Disconnect the LCD cable from its system board connector (LCD1). 5. Pull out the WLAN antennas from underneath the computer base, and then release them from their U-case latches.
Acer TM 4520 SG.book Page 45 Friday, June 22, 2007 5:43 PM 6. Disconnect the internal microphone cable from its system board connector (INTMIC1). 7. Release the internal microphone cable and the WLAN antenna (white) from their U-case latches. 8. Release the WLAN antenna (black) from their U-case latches. 9. Close the computer lid and turn the unit over to the base side.
Acer TM 4520 SG.book Page 46 Friday, June 22, 2007 5:43 PM 10. Remove the lower case screws securing the LCD module. Step 10 Type M2.5 x L8 BZN+NYLOK Quantity 2 Color Black Torque 3 kgf-cm +/-15% 11. Turn the unit right side up and open the notebook lid again. 12. Remove the hinge screws securing the LCD module. Step 12 Type M2.5 x L12 BZN+NYLOK Quantity 2 Color Silver Torque 4 kgf-cm +/-15% 13. Detach the LCD module from the main unit.
Acer TM 4520 SG.book Page 47 Friday, June 22, 2007 5:43 PM Removing the Upper Case 1. Disconnect the following system cables from their board connectors.
Acer TM 4520 SG.book Page 48 Friday, June 22, 2007 5:43 PM t 2. Turn the unit over to the base side. 3. Remove the lower case screws securing the upper case. Step 3 4. 4 Type M2.5 x L4 BZN+NYLOK Quantity 11 Color Black Torque 3 kgf-cm +/-15% Turn the unit over again and remove the single top upper case screw. Step 48 LED board cable (LEDB1) Type M2.
Acer TM 4520 SG.book Page 49 Friday, June 22, 2007 5:43 PM 5. Detach the upper case from the lower case. Removing the LED Board 1. Locate the LED board on the upper case underside. 2. Remove the screw securing the LED board. Step 2 Type M2 x L3 BZN+NYLOK Quantity 1 Color Silver Torque 1.6 kgf-cm +/-15% 3. Peel off the LED board cable from the upper case, then grasp the LED board and pull the cable through its upper case opening. 4. Disconnect the LED board cable from its board connector.
Acer TM 4520 SG.book Page 50 Friday, June 22, 2007 5:43 PM Removing the Fingerprint and Touchpad Boards 50 1. Disconnect the fingerprint board cable. 2. Detach the fingerprint board cable from the upper case. 3. Disconnect the touchpad board cable. 4. Detach the fingerprint board cable from the upper case.
Acer TM 4520 SG.book Page 51 Friday, June 22, 2007 5:43 PM 5. Remove the screws securing the fingerprint board bracket. Step 5 Type M2 x L4 BZN+NYLOK Quantity 4 Color Silver 6. Detach the fingerprint board bracket from the upper case. 7. Remove the screws securing the fingerprint board. Step 7 Chapter 3 Type M2 x L4 BZN+NYLOK Quantity 2 Color Silver Torque 1.6 kgf-cm +/-15% Torque 1.
Acer TM 4520 SG.book Page 52 Friday, June 22, 2007 5:43 PM 8. Detach the fingerprint board from its bracket. 9. Carefully pry loose the touchpad board from the upper case to detach it. CAUTION: The touchpad board is glued to the upper case. Remove the touchpad board only if it is defective. Removing the Card Reader Board 1. Remove the screws securing the card reader board to the system board. Step 1 52 Type M2 x L3 BZN+NYLOK Quantity 2 Color Silver Torque 1.
Acer TM 4520 SG.book Page 53 Friday, June 22, 2007 5:43 PM 2. Detach the card reader board from its connector (CRB1). Removing the Bluetooth Board 1. Disconnect the Bluetooth board cable from its system board connector (BLUE1). 2. Detach the Bluetooth board from the left speaker.
Acer TM 4520 SG.book Page 54 Friday, June 22, 2007 5:43 PM Removing the System Board 1. Disconnect the speaker cable from its system board connector (SPKR1). 2. Remove the single screw securing the system board to the lower case. Step 2 3. Type M2 x L4 BZN+NYLOK Quantity 1 Color Silver Torque 1.6 kgf-cm +/-15% Detach the system board from the upper case, then turn it over to gain access to the modem board. Proceed to the next section for instructions on how to remove the modem board.
Acer TM 4520 SG.book Page 55 Friday, June 22, 2007 5:43 PM Removing the Modem Board 1. Remove the screws securing the modem board. Step 1 2. Type M2 x L3 BZN+NYLOK Quantity 2 Color Silver Torque 1.6 kgf-cm +/-15% Remove the modem board from its system board connector (MDC1), then disconnect the modem cable from the board. Removing the Speakers 1. Remove the screws securing the speakers. Step 1 Chapter 3 Type M2 X L2 NI Quantity 2 Color Silver Torque 1.
Acer TM 4520 SG.book Page 56 Friday, June 22, 2007 5:43 PM 56 2. Release the speaker cable from its lower case latches. 3. Remove the speakers from the lower case.
Acer TM 4520 SG.book Page 57 Friday, June 22, 2007 5:43 PM LCD Module Disassembly LCD Module Disassembly Flowchart LCD module LCD bezel (Jx6) LCD panel (Lx4, Dx2) LCD chassis LCD panel brackets (Fx6) Inverter board LCD-CCD cable LCD module hinge (Lx2) CCD board Internal microphone WLAN antennas (Mx1) Screw Type Part Number D M2 x L4 BZN+NYLOK 86.00E13.524 F M2 x L3 BZN+NYLOK 86.00E25.723 J M2.5 x L6 BZN+NYLOK 86.00E33.736 L M2.5 x L5 BZN+NYLOK 86.00F19.735 M M2.
Acer TM 4520 SG.book Page 58 Friday, June 22, 2007 5:43 PM Removing the LCD Bezel 1. Remove the rubber pads securing the LCD bezel screws. 2. Remove the screws securing the LCD bezel. Step 2 3. 58 Type M2.5 x L6 BZN+NYLOK Quantity 6 Color Black Torque 3 kgf-cm +/-15% Carefully pry the LCD bezel open and remove it from the LCD module.
Acer TM 4520 SG.book Page 59 Friday, June 22, 2007 5:43 PM Removing the Inverter Board 1. Remove the screws on the lower edge of the LCD panel. Step 1 Type M2 x L3 BZN+NYLOK Quantity 3 2. Turn the board over and disconnect the 2P cable. 3. Disconnect the inverter cable from the board. Chapter 3 Color Black Torque 1.
Acer TM 4520 SG.book Page 60 Friday, June 22, 2007 5:43 PM Removing the LCD Module Hinges 1. Remove the screws securing the LCD module hinges. Step 1 2. Type M2.5 x L5 BZN+NYLOK Quantity 2 Color Black Torque 3 kgf-cm +/-15% Remove the LCD module hinges from the LCD chassis. Removing the LCD Panel 1. 60 Disconnect the CCD board cable.
Acer TM 4520 SG.book Page 61 Friday, June 22, 2007 5:43 PM 2. Release the WLAN antennas from the left and right LCD brackets. 3. Remove the LCD panel from its chassis. Removing the LCD-CCD Cable 1. Peel off the LCD-CCD cable from the bottom edge of the LCD panel.
Acer TM 4520 SG.book Page 62 Friday, June 22, 2007 5:43 PM 2. Detach the adhesive tab on the cables’s LCD connector, then disconnect the cable from the LCD panel PCB. Removing the LCD Panel Brackets T Step * 62 Remove the screws securing the LCD panel brackets. Part Number and Type M2 x L3 BZN+NYLOK Quantity 8 Color Silver Torque 1.
Acer TM 4520 SG.book Page 63 Friday, June 22, 2007 5:43 PM Removing the Internal Microphone and the CCD Board 1. Peel off the aluminum foil tabs and acetic tape securing the microphone cable. 2. Carefully remove the internal microphone from the LCD chassis. 3. Remove the CCD board from the LCD chassis.
Acer TM 4520 SG.book Page 64 Friday, June 22, 2007 5:43 PM Removing the WLAN Antennas 64 1. Peel off the aluminum foil tabs securing the WLAN antennas. 2. Carefully detach the WLAN antenna from the LCD chassis.
Acer TM 4520 SG.book Page 65 Friday, June 22, 2007 5:43 PM Chapter 4 System Troubleshooting This chapter provides instructions on how to troubleshoot system hardware problems. If the problem can’t be resolved using the procedures described here, information for getting online technical assistance is also provided. Hardware Diagnostic Procedure IMPORTANT: The diagnostic tests described in this chapter are only intended to test Acer products.
Acer TM 4520 SG.book Page 66 Friday, June 22, 2007 5:43 PM System Check Procedures External Diskette Drive Check Do the following to isolate the problem to a controller, driver, or diskette. A write-enabled, diagnostic diskette is required. IMPORTANT: Make sure that the diskette does not have more than one label attached to it. Multiple labels can damage to the drive. 1. Boot from the diagnostics diskette and start the diagnostics program. 2. Check if the FDD Test is successful (pass). 3.
Acer TM 4520 SG.book Page 67 Friday, June 22, 2007 5:43 PM Memory Check Memory errors might stop system operations, display error messages, or cause the system to hang up. Make sure that the DIMM is properly installed in its slot. A loose connection can cause an error. If the DIMM connection is correct, run the Doagmpstotics Test. 1. Boot from the diagnostics diskette and start the Doagmpstotics program. 2. Go to the diagnostic memory in the test items. 3. Press F2 in the test items. 4.
Acer TM 4520 SG.book Page 68 Friday, June 22, 2007 5:43 PM Check the Battery Pack Check the battery pack via the OS control and by checking the actual battery pack. Using the OS control: 1. Open the Power Management setting in the Windows Control Panel screen. 2. On the Power Meter tab, confirm that the Current Power Source and Total Battery Power Remaining parameters are correct. 3. Repeat steps 1 and 2 using both the battery pack and the AC adapter as the power source.
Acer TM 4520 SG.book Page 69 Friday, June 22, 2007 5:43 PM POST Error Indicators When POST detects a system failure, it either displays a POST error message, or emits a series of beep codes. POST Error Message Whenever a non-fatal error occurs during POST, an error message describing the problem appears onscreen. These text messages are displayed in normal video (white text on black background). It shows the details of the error.
Acer TM 4520 SG.book Page 70 Friday, June 22, 2007 5:43 PM Error Message List Error Message 70 FRU/Action in Sequence Failure Fixed Disk Reconnect the hard disk drive to its connector. Run the Setup Utility, then press F9 to load the system defaults. Hard disk drive System board Stuck Key Refer to the “Keyboard or Auxiliary Input Device Check” section on page 66. Keyboard Error Refer to the “Keyboard or Auxiliary Input Device Check” section on page 66.
Acer TM 4520 SG.book Page 71 Friday, June 22, 2007 5:43 PM Error Message FRU/Action in Sequence DMA Test Failed DIMM System board Software NMI Failed DIMM System board Fail-Safe Timer NMI Failed DIMM System board Device Address Conflict Run the Setup Utility, then press F9 to load the system defaults. RTC battery System board Allocation Error for device Run the Setup Utility, then press F9 to load the system defaults.
Acer TM 4520 SG.book Page 72 Friday, June 22, 2007 5:43 PM Error Message FRU/Action in Sequence No beep, power indicator turns on, the LCD screen is blank, but you can view POST when connected to an external CRT. Reconnect the LCD-CCD cable. LCD-CCD cable Inverter board LCD panel System board No beep, power indicator turns on and a blinking cursor appears on screen during POST. Ensure every internal cables are properly and securely connected.
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Acer TM 4520 SG.book Page 77 Friday, June 22, 2007 5:43 PM Index of Symptom-to-FRU Error Message NOTE: If the symptom or error for your problem condition is not listed in this section, refer to the “Undetermined Problems” section on page 81. LCD-related Symptoms Symptom/Error Action in Sequence LCD backlight doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Run the Setup Utility, then press F9 to load the system defaults. Reconnect the LCD-CCD cable.
Acer TM 4520 SG.book Page 78 Friday, June 22, 2007 5:43 PM Memory-related Symptom Symptom / Error Memory count (size) appears different from actual size. Action in Sequence Run the Setup Utility, then press F9 to load the system defaults. DIMM System board Audio-related Symptoms Symptom / Error Action in Sequence In Windows multimedia programs, no sound comes from the computer. Audio driver Speaker System board Internal speakers emit noise or emit no sound.
Acer TM 4520 SG.book Page 79 Friday, June 22, 2007 5:43 PM I/O-related Symptoms Symptom / Error Action in Sequence System configuration values does not match the installed devices. Run the Setup Utility, then press F9 to load the system defaults. Reconnect hard disk/CD-ROM/diskette drives. External display does not work correctly. Press Fn+F5, LCD/CRT/both display switching System board USB does not work correctly System board Print problems Run printer self-test.
Acer TM 4520 SG.book Page 80 Friday, June 22, 2007 5:43 PM Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. When analyzing an intermittent problem, do the following: 80 1. Run the advanced diagnostic test for the system board in loop mode at least ten times. 2.
Acer TM 4520 SG.book Page 81 Friday, June 22, 2007 5:43 PM Undetermined Problems Undetermined problems are those for which diagnostic tests cannot identify the cause. This may be a failure to detemine which adapter or device failed, which installed device is malfunctioning, a short circuit is suspected, or when the system is inoperative. IMPORTANT: Verify that all attached devices are supported by the computer, and that power supply to the computer is good.
Acer TM 4520 SG.book Page 82 Friday, June 22, 2007 5:43 PM Online Support Information This section describes online technical support services available to help you repair your TravelMate notebook. If you are a distributor, dealer, ASP or TPM, please refer your technical queries to your local Acer branch office. Acer Branch Offices and Regional Business Units may access our website at http://global.acer.com/ support/index. However some information sources will require a user ID and password.
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Acer TM 4520 SG.book Page 84 Friday, June 22, 2007 5:43 PM System Board Layout This section shows the top and bottom layout of the TravelMate 4520 system board.
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Acer TM 4520 SG.book Page 86 Friday, June 22, 2007 5:43 PM System Switch If you have enabled the Password on Boot field and you forget the supervisor password, you will not be able to boot up the computer. Your TravelMate notebook has a hardware pin (G41) for clearing a lost supervisor password. Go to page 20 for related instructions.
Acer TM 4520 SG.book Page 87 Friday, June 22, 2007 5:43 PM Chapter 6 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 5910. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date information available on your regional web or channel.
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Acer TM 4520 SG.book Page 89 Friday, June 22, 2007 5:43 PM TravelMate 4520 FRU List Category No. Part Name and Description Acer Part No.
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Acer TM 4520 SG.book Page 107 Friday, June 22, 2007 5:43 PM Appendix A TravelMate 4520 Series Model Configurations This chapter provides features summary for each of the four TravelMate 4520 Series computer model configurations. Model A (TravelMate 4220) System Internal Part Number: 91.4U101.001G System Board Internal Part Number: 55.4U101.001G/55.4U101.M01G Component Description Part Number Provider Processor Sempron 64 3600+ 25W F KC.S3602.25F AMD North bridge ATI RS690M 71.RS690.
Acer TM 4520 SG.book Page 108 Friday, June 22, 2007 5:43 PM Model B (TravelMate 4520) System Internal Part Number: 91.4U101.002G System Board Internal Part Number: 55.4U101.001G/55.4U101.M01G Component 108 Description Part Number Provider Processor Turion 64 X2 TL56 rev.G KC.TTL02.56G AMD North bridge ATI RS690M 71.RS690.M05 ATI South bridge ATI SB600 71.SB600.M03 ATI LCD module AUO 14.1" WXGA non-glare LK.14105.019 AUO Memory Nanya DDRII 667 512MB*2 NT512T64UH8B0FN-3C KN.51203.
Acer TM 4520 SG.book Page 109 Friday, June 22, 2007 5:43 PM Model C (TravelMate 4520) System Internal Part Number: 91.4U101.003G System Board Internal Part Number: 55.4U101.011G/55.4U101.M02G Component Description Part Number Provider Processor Turion 64 X2 TL64 rev.G KC.TTL02.64G AMD North bridge ATI RS690M 71.RS690.M05 ATI South bridge ATI SB600 71.SB600.M03 ATI LCD module Samsung 14.1” WXGA LTN141W3-L01-G GLARE 16MS, 200NITS LK.14106.
Acer TM 4520 SG.book Page 110 Friday, June 22, 2007 5:43 PM Model D (TravelMate 4520) System Internal Part Number: 91.4U101.004G System Board Internal Part Number: 55.4U101.011G/55.4U101.M02G Component 110 Description Part Number Provider Processor Turion 64 X2 TL66 rev.G KC.TTL02.66G AMD North bridge ATI RS690M 71.RS690.M05 ATI South bridge ATI SB600 71.SB600.M03 ATI LCD module Samsung 14.1” WXGA LTN141W3-L01-G GLARE 16MS, 200NITS LK.14106.
Acer TM 4520 SG.book Page 111 Friday, June 22, 2007 5:43 PM Model E (TravelMate 4520) System Internal Part Number: S2.TLD0Z.001 System Board Internal Part Number: 55.4U101.001G/55.4U101.M01G Component Description Part Number Provider Processor Turion 64 X2 TL64 rev.G KC.TTL02.64G AMD North bridge ATI RS690M 71.RS690.M05 ATI South bridge ATI SB600 71.SB600.M03 ATI LCD module AUO 14.1" WXGA non-glare LK.14105.019 AUO Memory Samsung DDRII 667 1GB*2 M470T2953EZ3-CE KN.1GB0B.
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Acer TM 4520 SG.book Page 113 Friday, June 22, 2007 5:43 PM Appendix B Test Compatible Components This computer’s compatibility is tested and verified by Acer’s internal testing department. All of its system functions are tested for the Business, Home Basic, and and Home Premium editions of Microsoft’s latest operating system Windows Vista. Refer to the following lists for components, adapter cards, and peripherals which have passed these tests.
Acer TM 4520 SG.book Page 114 Friday, June 22, 2007 5:43 PM Hardware Compatibility Tests Item USB hub Specification ATEN UH-204 4 -port USB hub IOGEAR 4-port USB hub Corega WLAN USB Stick-11 (CG-WLUSBST11) USB card reader PQI 6-in-1 Flash Card Reader/Writer USB Zip drive Iomega USB Zip 250 MB USB hard drive Fujitsu DynaMO-1300 1.3G Transcend 80G HDD (with IEEE1394) Galileo Mass Storage 2.5 Travel Kit (with IEEE 1394) Transcend 2.
Acer TM 4520 SG.book Page 115 Friday, June 22, 2007 5:43 PM Hardware Compatibility Tests Item Specification PC Card Test LAN/modem card CardBus Ethernet 10/100 32Bit(CBE-10/100BTX) Storage card IOmega Click! 40 MB Hitachi Microdrive 4 GB USB 2.0 card IBM EtherJet CardBus Adapter 10/100 Adaptec USB2 Connect IOGEAR Cardbus Card USB 2.
Acer TM 4520 SG.book Page 116 Friday, June 22, 2007 5:43 PM Games and Software Compatibility Tests Item Games Specification Blizzard q WarCraft III (CD-04-062) q WarCraft III - Frozen Throne Expansion Pack (CD-04-157) + (DX8.1, Patch 1.18 or later) Atari q Neverwinter Nights + Patch v1.
Acer TM 4520 SG.book Page 117 Friday, June 22, 2007 5:43 PM Appendix C Technical Specifications This section provides technical specifications for the system hardware components. Processor Intel Core 2 Duo Processor Number Item T7600 T7400 T7200 T5600 T5500 CPU speed 2.33 GHz 2.16 GHz 2 GHz 1.83 GHz 1.66 GHz Bus speed 667 MHz 667 MHz 667 MHz 667 MHz 667 MHz Bus/core ratio 14 13 12 11 10 L2 cache size 4 MB 4 MB 4 MB 2 MB 2 MB 2.16 GHz 2 GHz 1.83 GHz 1.
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Acer TM 4520 SG.book Page 119 Friday, June 22, 2007 5:43 PM Video Interface Item Specification Graphics controller ATI Mobility Radeon X2300 HD Package Micro-FCBGA 465-pin Video memory 256 MB Memory bus width 128-bit Memory type Graphics Double Data Rate 3 (GDDR3) Compatibility T Microsoft DirectX 9.0c T PowerPlay 6.
Acer TM 4520 SG.book Page 120 Friday, June 22, 2007 5:43 PM LAN Controller Item Specification LAN controller Broadcom NetLink BCM5787 Gigabit Ethernet Controller with PCI Express Data link protocols T Ethernet T Fast Ethernet T Gigabit Ethernet Remote management protocol DMI 2.0 Interface type PCI Express x1 LAN connector type RJ-45 LAN connector location Left side Features T Wake on LAN (WOL) T ACPI 2.
Acer TM 4520 SG.book Page 121 Friday, June 22, 2007 5:43 PM Modem Item Specification Data modem data baud rate (bps) 56K Supports modem protocol V.90/V.92 WWDAA Modem connector type RJ-11 Modem connector location Right side Bluetooth Interface Item Specification Chipset Foxconn Broadcom 2045 Data throughput 723 bps (full speed data rate) Protocol Bluetooth 1.1 (Upgradeable to Bluetooth 1.2 when SIG specification is ratified). Interface USB 1.
Acer TM 4520 SG.book Page 122 Friday, June 22, 2007 5:43 PM Hard Disk Drive Capacity Specification Provider 80 GB 120 GB 160 Seagate Toshiba Seagate ST980811AS MK1237GSX ST9160821AS Model Part number 122 Formatted capacity 120 GB Number of disks 2 Number of data heads 4 Interface ATA7/Serial ATA 1.0a Seek time (average) 12ms Rotational speed 5,400 (±0.1%) rpm Data transfer rate Internal Buffer to Host 335 to 613 Mb/s 300 MB/s Buffer 8 MB Dimensions (mm) Height Width Depth 9.
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Acer TM 4520 SG.book Page 124 Friday, June 22, 2007 5:43 PM LCD Inverter Item Specification Vendor & model name Darfon/V189-301GP Brightness conditions N/A Input voltage (V) 9~21 Input current (mA) 2.56 (max) Output voltage (V, rms) 780V (2000V for kick off) Output current (mA, rms) 6.5 (max) Output voltage frequency (k Hz) 65K Hz (max) System BIOS Item BIOS vendor Phoenix BIOS version v0.
Acer TM 4520 SG.book Page 125 Friday, June 22, 2007 5:43 PM Power Management Item Specification Power management standard ACPI 1.0b/2.0/3.0 System power management states T Mechanical Off (G3) – All system devices are turned off completely. T Soft Off (G2/S5) – OS initiated shutdown. All devices in the system are turned off completely. T Working (G0/S0) – Individual devices such as the processor and hard disk may be power managed in this state.
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Acer TM 4520 SG.book Page 132 Friday, June 22, 2007 5:43 PM external FDD 66 keyboard 66 memory 67 optical disc drive 66 touchpad 68 U Undetermined Problems 81 upper case part number 95, 104 removing 47 USB 2.
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