Acer TravelMate 520 TravelMate 520 Service Guide
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- Acer TravelMate 520 | TravelMate 520 Service Guide - Page 1
TravelMate 520 Service Guide Service guide files and updates are available on the AIPG/CSD web; for more information, please refer to http://csd.acer.com.tw PART NO.: 49.41H02.001 DOC. NO.: SG336-0005A PRINTED IN TAIWAN - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 2
, 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 or implied, with respect to the contents hereof and specifically - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 3
information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures. III - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 4
add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cases part number change is made, it will not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 5
3 Machine Disassembly and Replacement 43 General Information 44 Disassembly Procedure Flowchart 45 Removing the Battery Pack 47 Removing the CD-ROM Drive Module 48 Removing the Hard Disk Drive Module 49 Removing the Extended Memory 50 Removing the Modem Board 51 Disassembling the LCD - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 6
Table of Contents VI - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 7
disk drive, hard disk drive) 6 Sleek, smooth and stylish design 6 Full-sized keyboard 6 Ergonomically-centered touchpad pointing device Expansion 6 6 6 CardBus PC card (formerly PCMCIA) slots (two type II/I or one type III) with ZV (Zoomed Video) port support (lower slot) Upgradeable memory and - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 8
with 8 MB of video memory boost video performance. Simultaneous giving presentations. This computer supports simultaneous LCD and CRT display feature enabled, you can move program windows to/from the computer LCD and the computer is powered by a battery pack to conserve battery power. See "Power - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 9
System Block Diagram '0/ +)2 -' 7 7(6%1 '0/ & 9 * *) 6 -' 7 (-11 1)1 &97 1SFMPI 4--'S TTI VQ MRI ,37 8 &97 +)=7)6:-00) 2& 1 %+ 4 &97 :+% %8- 1SFMPMX] 1 4'- &97 0'( '68 -28 74/6 0-2) 398 34 %1 4 84% 0-2) -2 :6 1 -' 0%2 %'0MRO 7& 1 %' - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 10
Socket Connector 16. Diskette Drive Connector 17. PCMCIA (PC card) Controller (OZ6933) 18. Switch 19. BIOS ROM 20. HDD Connector 21. Golden Finger for Debug 22. Touchpad Cable Connector 23. Digital Finger Print Sensor Connector(Not Used) 24. Keyboard Cable Connector 25. RTC Battery 26. CD-ROM - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 11
View 1. North Bridge (ALi M1621) 2. Power Push Switch 3. Audio Connector 4. DIMM 1 Socket 5. DIMM 2 Socket (Reverse) 6. Modem Connector 7. Battery Connector 8. South Bridge (ALi M1535) 9. LAN Controller(Intel GD82559) 10. Modem Card Cable Connector 11. Modem Card Cable Connector Chapter 1 5 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 12
screen Touchpad Floppy drive Click button (left, center and right) Palmrest Keyboard Status indicator drive, accepts 3.5-inch floppy diskette. The left and right buttons function like the left and right mouse buttons, the center button serves as a scroll up/ down button. Comfortable support - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 13
Left Panel # 1 2 3 4 5 6 7 8 9 10 Icon Item/ Port Security keylock PCMCIA (PC card) Port Eject button Power switch Infrared port Speaker/ headphone-out jack Line-in jack Microphone-in jack Volume control Video capture kit slot Connects to... Kensington-compatible key-based computer security - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 14
video capture kit option on the right side of the computer. Houses the computer's battery pack. Houses removable media drive modules. Lights up when the AcerMedia drive is active. Ejects the compact disc from the drive. Ejects the compact discs when the computer is turned off. AC adapter and power - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 15
External display port 7 Modem port 8 LAN Battery bay Battery release latch Hard disk bay Description Houses the computer's main memory. Protects your hard disk against shocks. Insert a business card or similar-sized identification card to personalize your computer. Unlatches the AcerMedia drive - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 16
on. 2 Sleep Lights when the computer enters Sleep Mode. 3 Media Activity Lights when the floppy disk drive, hard disk drive or AcerMedia drive is active. 4 Battery Charge Lights when the battery is being charged. 5 Caps Lock Lights when Caps Lock is activated. 6 Num Lock Lights when - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 17
embedded keypad, separate cursor keys, two Windows keys and twelve function keys. Special keys Lock keys The keyboard has three lock keys which you can Number keys on embedded keypad Cursor-control keys on embedded keypad Main keyboard keys Num lock on Type numbers in a normal manner. Hold Shift - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 18
keyboard to the external keyboard or keypad. Windows keys The keyboard has two keys that perform Windows-specific functions. Keys á Windows access most of the computer's controls like screen brightness, volume output and the BIOS Utility. To activate hot keys, press and hold the Fn key before - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 19
by the computer (function available if supported by operating system) Puts the computer in keyboard with a European layout, you can type the Euro symbol on your keyboard. NOTE: For US keyboard users: The keyboard layout is set when you first set up Windows. For the Euro symbol to work, the keyboard - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 20
the Euro symbol on your keyboard. 2. Open a text editor or word processor. 3. Hold Alt Gr and press the Euro symbol. NOTE: Some fonts and software do not support the Euro symbol. Please refer All four keys can be set by the user. To set the launch keys, run the Acer Launch Manager. 14 Chapter 1 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 21
finger on the surface of the touchpad. The central location on the palmrest provides optimum comfort and support. NOTE: When using an external USB or serial mouse, you can press Fn-F7 to disable . This button mimics your cursor pressing on the right scroll bar of Windows applications. Chapter 1 15 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 22
Function Execute Select Drag Access context menu Scroll Left Button Click twice quickly Right Button Click once Click and hold, then use finger to drag the cursor on the touchpad Click once Center Button Tap Tap twice (at the same speed as doubleclicking a mouse button) Tap once Tap twice (at - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 23
size BIOS package Supported protocols BIOS password control Specification Acer V3.0 Flash ROM 512KB 32-pin TSOP ACPI 1.0b, APM 1.2, PC Card 95, SM BIOS 2.3, EPP/IEEE 1284, ECP/IEEE 1284 1.7 & 1.9, IrDA, PCI 2.1, PnP 1.0a, PS/2 keyboard and mouse, USB, VESA VGA BIOS, DDC-2B, CD-ROM bootable, Windows - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 24
Item 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 2 sockets 32/64/128/256 MB 512 MB (256MB x 2) SDRAM 100 MHz 3.3 V 144 pin so-DIMM You - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 25
Modem Interface Item Modem/LAN connector location Rear Side Floppy Disk Drive Interface Item Vendor & model name Floppy Disk Specifications sectors 63 Drive Format Logical cylinders 16383 Physical read/write 3 heads Disks 2 Spindle speed (RPM) 4200 Performance Specifications Buffer size - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 26
1 and mode 2), CDROM XA (mode 1, form 1 and form2), Photo CD, Enhanced CD, CD-RW Drawer with soft eject and emergency eject hole 5V+/-5% 5V+/-5% Specification MKE SR-8174-BXX With CD Diskette With DVD Diskette Average Sustained: DVD-5: CAV mode (10.3X to 24X) 775~1800 blocks/sec 1550~3600 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 27
, IRQ9, IRQ10, IRQ11 Video Interface Item Vendor & model name Chip voltage Supports ZV (Zoomed Video) port Graph interface Maximum resolution (LCD) Maximum resolution (CRT) Specification ATI Rage Mobility-M1 Core/2.5V Memory/3.3V Yes 2X AGP (Accelerated Graphics Port) bus 1024x768 (24 bit colors - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 28
of parallel port Location Connector type Parallel port function control Supports ECP/EPP Optional ECP DMA channel (in BIOS Setup) Optional parallel port I/O address (in BIOS Setup) Optional parallel port IRQ (in BIOS Setup) Specification ALi M1535 1 Rear side 25-pin D-type connector, in female - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 29
II/I Left side Yes Yes (IRQ9) Specification Keyboard Item Keyboard controller Keyboard vendor & model name Total number of keypads Windows 95 keys Internal & external keyboard work simultaneously Mitsubishi M38867 JME K9811 84/85/88-key Yes Yes Specification Battery Item Vendor & model name - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 30
an EEPROM in the inverter, which stores its supported LCD type and ID code. If you replace a new inverter or replace the LCD with a different brand, use Inverter ID utility to update the ID information. LCD Item Vendor & model name Mechanical Specifications LCD display area (diagonal, inch) Display - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 31
OVP) Short circuit protection Electrostatic discharge (ESD) Dielectric Withstand Voltage Primary to secondary Leakage current Regulatory Requirements Delta ADT-60XB D 3P Specification LiteOn PA-1600-02 1.5A @ 90Vac 0.9A @ 180Vac 1.5A @ 90Vac 0.95A @ 180Vac 47 - 63 47 - 63 47 - 63 47 - 63 90 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 32
during a battery-low condition), Standby Mode 6 Keyboard, built-in touchpad disk drive is -operating (unpacked) Non-operating (packed) Specification +5 ~ +35°C -10 ~ + -condensing (storage package) 5 ~ 25.6 Hz: 0.38 mm (peak to peak) 25.6 ~ 250 Hz: 0.5G 5 ~ 27.1 Hz: 0.6G 27.1 Hz ~ 50 Hz: 0.4 mm ( - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 33
Mechanical Specifications Dimensions Weight Item I/O Ports Drive Bays Material Indicators Switch Memory Address Map Memory Address 00000000-0009FFFF 80600000-80600FFF 80620000-8063FFFF 81000000-81FFFFF 000A0000-000CFFFF 000E0000-000ED7FF 80100000-80100FFF 80200000-802FFFFF 08000000-08000FFF - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 34
-1 PCI configuration register Function System errors System timer Keyboard Cascade IrDA COM1 Reserved Floppy LPT1 Real time clock SCI Audio/Modem/LAN USB/VGA/Cardbus PS2 pointing device Numeric data processor 1st IDE device (hard disk) 2nd EIDE device (CD-ROM drive) Not used Not used Floppy FIR DMA - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 35
Troubleshooting when problem arises. To activate the BIOS Utility, press F2 during POST (while the TravelMate logo is being displayed). Navigating the BIOS then press Enter. Within a menu, navigate through the BIOS Utility by following these instructions: 6 Press the cursor up/down keys to move - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 36
series of numbers and/or characters. The following table describes the information in this screen. Parameter CPU Type & Speed Floppy Disk Drive Hard Disk Drive HDD Serial Number System with System BIOS Version VGA BIOS problems and need to contact technical support, this data helps our service - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 37
Basic System Settings The Basic System Settings screen allows you to set the system date and time. The following table describes the parameters in this screen. Parameter Date Time Description Sets the system date. Sets the system time. Format DDD MMM DD, YYYY (day-of-the-week month day, year) HH - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 38
640 x 480. Resume on LAN/Modem Access When enabled, it allows your computer to resume when LAN/Modem access is active. Enabled or Disabled :Hard Disk and 4th:LANDesk (R) Service Agent) tells the computer to first search for a bootable floppy disk in the floppy drive. If it finds one present, it - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 39
The parameters in this screen are for advanced users only. You do not need to change the request (IRQ) and operation mode of the parallel port. If operation mode is set to ECP, the direct memory access (DMA) channel of the parallel port is set to 1. Enabled or Disabled 378h, 278h, or 3BCh - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 40
Disk Password Processor Serial Number Description Options When set, this password protects the computer and the BIOS None or Present Utility from unauthorized entry. See the following section for instructions on how to set a password. When set, this password protects the computer from None or - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 41
screen. 1. When the Setup Password is set, the following prompt appears when you press F2 to enter the BIOS Utility at boot-up. Type the Setup Password and press Enter to access the BIOS Utility. 2. When the Power-on Password is set, the following prompt appears at boot-up. Type the Power - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 42
Load Default Settings If you want to restore all parameter settings to their default values, select this menu item and press Enter. The following dialog box displays. If you would like to load default settings for all parameters, use the cursor left/right (→←) keys to select Yes; then press Enter. - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 43
the bootable disk into TravelMate 520 series module, then reboot. IMPORTANT:Never turn off the system power while Flash BIOS is programming. This will damage your system. 4. After Flash BIOS is done, reboot the system. NOTE: If there are any problems occurred during BIOS update, see "Index of PQA - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 44
Acer TravelMate 520 notebook machine. It provides the following functions: 1. Panel ID Utility 2. Thermal & Fan Utility 3. Main Board Data Utility To use this diskette, first boot from this diskette, then a "Microsoft Windows setting of Acer TravelMate 520 series, there when problem is found - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 45
b. Write UUID by user keyin - this function is used when the original UUID is kept. User may use "Read Main Board Data" function first to keep the UUID. 4. Write MBD serial number - this function will write MBD serial number by user keyin. Chapter 2 39 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 46
, either download it from http://csd.acer.com.tw or find it in the TravelMate 520 service CD kit. To better fit local service requirements, your Infrared Ray of Acer TravelMate 520 series. Following are the steps: 1. You must prepare a reflect server (another Acer TravelMate 520 notebook) which can - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 47
TravelMate 520 notebook series. 1. Register test (USBCMD, USBINTR, FRNNUM, FLBASEADD, SOF) - test its own USB internal circuit. 2. UHCI/ OHCI test utility a. Please prepare a USB device such as USB mouse, USB keyboard or USB modem Test performs a single test and Manual checks the selected test items - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 48
of test items (see below). PQA Vx_x xx-xx-xx DiagDiag Result MANUALTTeEstSITtems AUTO[ ] SysTtEeSmTBoard [ ] Memory [ ] Keyboard [ ] Video [ ] Parallel Port [ ] Serial Port [ ] Diskette Drive [ ] Hard Disk [ ] CD-ROM [ ] Coprocessor [ ] Pointing Dev. [ ] Cache SysInfo Option Exit SPACE: mark - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 49
Chapter 3 Machine Disassembly and Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. To disassemble the computer, you need the following tools: ! Wrist grounding strap and conductive mat for preventing - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 50
General Information Before You Begin 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. 44 Chapter 3 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 51
on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. START BATTERY CDROM MODULE DIMM - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 52
MAIN UNIT CPU HEATSINK PLATE UPPER CASE FDD MODULE CPU HEATSINK CHARGER PLATE FAN MAIN BOARD LOWER CASE PCMCIA SOCKET CPU AUDIO BOARD 46 Chapter 3 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 53
Removing the Battery Pack 1. To remove the battery pack, push the battery release button inward. 2. Slide the battery pack out from the machine. Removing the Battery Cover 1. To remove the battery cover, press the cover on this side outward carefully, then remove the cover. Chapter 3 47 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 54
the release button outward. 2. Slide it out from the machine. Disassembling the CD-ROM Drive Module 1. To disassemble the CD-ROM drive module, first remove the four screws as shown. 2. Remove the CD-ROM drive module from the CD-ROM drive chassis. 3. Remove the two screws from the CD-ROM board, then - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 55
Remove the hard disk drive module out from the machine carefully. Disassembling the Hard Disk Drive Module 1. To disassemble the hard disk drive module, first remove the two screws from the hard disk drive bracket. 2. Slide the hard disk drive out from the hard disk drive bracket. 3. Remove the hard - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 56
Removing the Extended Memory 1. To remove an extended memory from the machine, first remove the screw from the memory cover. 2. Push the memory cover leftward to lift the cover off, then remove the memory cover. 3. Push out the latches on both sides of the socket, and pull the memory module out from - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 57
from the modem cover. 2. Remove the modem cover from the machine. 3. Remove the two screws from the modem board as shown, use a plastic bladed screwdriver to remove the modem board from the main unit. 4. At CN26, disconnect the modem cable from the modem board, then remove the modem board. Chapter - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 58
Disassembling the LCD Removing the Hinge Cap 1. To remove the hinge cap, push the hinge cap outward, then slide the the two screws from the launch board as shown, then remove the launch board from the middle cover. Removing the Keyboard 1. To remove the keyboard, pull out and upward to expose the - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 59
cable from the main board carefully, then remove the keyboard from the main board. 3. At CN10, disconnect the launch board cable from the main board, then remove it. Removing the Cable Cover 1. To remove the - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 60
2. At CN9, remove the two screws from the LCD FPC cable, and then disconnect the LCD FPC cable from the main board. 3. At CN8, disconnect the inverter cable from the main board. 4. Remove the LCD module from the main unit. 5. Remove the video capture kit cover from the LCD module on each side. 6. - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 61
7. Snap off the LCD bezel carefully, then remove the LCD bezel from the LCD module. Removing the Inverter Board 1. To remove the inverter board, remove the two screws from the inverter board as shown. 2. Disconnect the speaker cables, microphone cable and LCD power cable from the inverter board, - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 62
Removing the Speakers 1. Remove the two screws from the speakers as shown, then remove the speakers from the LCD module.. 2. Remove the four screws from the LCD, then detach the LCD diaper from the LCD. 3. Remove the LCD from the LCD panel. 4. Remove the ESD tape, then disconnect the LCD FPC cable - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 63
Removing the Microphone 1. Remove the microphone from the LCD. Chapter 3 57 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 64
from the upper case. 2. At CNX1, disconnect the floppy disk drive cable from the main unit, then pull the floppy disk drive module out from the main unit carefully. Disassembling the Floppy Disk Drive Module 1. To disassemble the floppy disk drive module, remove the two screws from the floppy disk - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 65
, remove the cushion from the drive, and then detach the bezel from the drive carefully. Removing the CPU Heatsink Plate 1. Remove the two screws from the CPU heatsink plate, then pull the CPU heatsink plate backward then rightward from the main unit. Removing the RTC Battery 1. Use the flat bladed - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 66
2. Reinstall the RTC battery back into position by pressing it down to secure. Removing the Upper Case 1. To remove the upper case, remove the eight screws from the base - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 67
6. Disconnect the touchpad cable from the touchpad board, then remove the touchpad board from the upper case. 7. Remove the touchpad cable from the upper case carefully. Chapter 3 61 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 68
Disassembling the Lower Case Removing the CPU Heatsink 1. Remove the four screws from the CPU heatsink. 2. Remove the CPU heatsink from the main unit. Removing the - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 69
2. At CN11, disconnect the fan cable from the main board. 3. Pull the battery connector and audio jack out to remove the main board from the lower case. Removing the Fan 1. Remove the screw from the fan, then remove - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 70
Removing the PCMCIA Slot 1. Remove the two screws from the PCMCIA plate to remove the plate. 2. At CN13, remove the two screws from the PCMCIA slot, then detach the PCMCIA slot from the main board by hand gently. Removing the I/O Bracket 1. Remove the six hexed screws and the two screws from the I/O - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 71
Removing the Modem Cable 1. At CN21 and CN22, disconnect the modem cable from the main board, then remove the modem cable from the main board. Chapter 3 65 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 72
66 Chapter 3 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 73
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 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 74
. 4. Follow the instructions in the message window. If an error occurs, reconnect the connector on the System board. If the error still remains: 1. Reconnect the CD-ROM drive. 2. Replace the diskette driver cable. 3. Replace the CD-ROM drive. 4. Replace the system board. Keyboard or Auxiliary Input - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 75
the instructions in the message window. NOTE: Make sure that the DIMM is fully installed into the connector. A loose connection can cause an error. Power System Check To verify the symptom of the problem, power on the computer using each of the following power sources: 1. Remove the battery pack - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 76
indicator still does not light up, replace the battery pack. If the charge indicator still does not light up, replace the system board. Touchpad Check If the touchpad doesn't work, do the following actions one at a time to correct the problem. Do not replace a non-defective FRU: 1. Reconnect the - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 77
Key Keyboard error Keyboard Controller Failed Keyboard locked - Unlock key switch Monitor type does not match CMOS - Run Setup Shadow RAM Failed at offset: nnnn System RAM Failed at offset: nnnn Extended RAM Failed at offset: nnnn System battery is dead - Replace and run Setup System CMOS checksum - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 78
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 72 Chapter - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 79
connector is connected tightly and correctly. Reconnect the DIMM. CPU board System board. Power source (battery pack and power adapter). Power System Check. Reconnect the LCD connectors Hard disk drive LCD inverter ID LCD cable Inverter LCD System board Reconnect the LCD connectors. LCD inverter ID - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 80
Enter BIOS Utility to execute "Load Setup Default Settings", then reboot system. Reconnect the LCD connectors. Keyboard ( battery pack and power adapter). Power System Check. Battery pack Power adapter Audio board System board Power source (battery pack and power adapter). Power System Check. Battery - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 81
Memory count (size) appears different from actual size. Enter BIOS Setup Utility to execute "Load Default Settings, then reboot system. DIMM System board Speaker-Related Symptoms Symptom / Error In DOS or Windows in Sequence Keyboard (if control is from the keyboard) Hard disk drive System board - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 82
port device problems. Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work. Touchpad does not work. Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings", then reboot system. Reconnect hard disk/CD-ROM/diskette drives. Press Fn - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 83
Symptoms Symptom / Error Action in Sequence Internal modem does not work correctly. System Diagnostics Diskette Modem phone jack Modem 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 79. Chapter 4 77 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 84
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: 1. Run the advanced diagnostic test for the system board in loop - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 85
damage. If any problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: 6 Non-Acer devices 6 Devices attached to the port replicator 6 Printer, mouse, and other external devices 6 Battery pack 6 Hard disk drive 6 DIMM 6 CD-ROM 6 Diskette drive 6 PC Cards 4. Power - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 86
Error Message Error Message Hardware Error BIOS Update Program Error System Error Without AC adapter Battery Low Action in Sequence See "System Diagnostic Diskette" on page 40 Turn off the power and restart the system. Make sure this AFlash BIOS diskette for this model. make sure to connect AC - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 87
CPU or main board error Memory error Keyboard error Video error Parallel Port error Serial port or main board error Diskette drive error Hard disk error CD-ROM error Co-processor error Pointing device error Cache test error Action in Sequence Backup battery Reload BIOS default setting. System board - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 88
82 Chapter 4 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 89
JK1 JK2 SW1 CD-ROM Connector PCMCIA Socket Connector Touch Pad Cable Connector Hdd Connector Diskette Drive Connector Keyboard Cable Connector Digital finger Print Sensor Connector (For castor only) TV BD Connector Modem / Lan Port DC-in Port Switch OFF OFF ON OFF SW-2 SW-3 Reserved Reserved - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 90
SW-4/5 Acer OFF SW-4 SW-6: Check Password SW6 = OFF, Enable SW-6 = ON, Disable SW-7: Boot Block Boot SW-7 = OFF, Disable SW-7 = On, Enable OFF SW-5 84 Chapter 5 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 91
Bottom View CN21 CN22 CN23 CN24 Modem Card Cable Connector Modem Card Cable Connector Power Push Switch Audio Connector CN25 CN26 DM1 DM2 Battery Connector Modem Connector DIMM 1 Socket DIMM 2 Socket (Reverse) Chapter 5 85 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 92
86 Chapter 5 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 93
List 1This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of TravelMate 520. 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 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 94
- Acer TravelMate 520 | TravelMate 520 Service Guide - Page 95
Picture CPU/ Processor No. NS Partname Description Part No. CPU, PIII-500, INTEL CPU, PIII-600, INTEL IC CPU COPPERM-500 UPGA2 IC CPU COPP600 W/GEY UPGA2 01.COPRM.50A 01.COPRM.60C Memory NS DIMM,64M,PC100, SDIMM 64M 72.64820.B0N Siemens HYS64V8220GCDL-8B(SI NS DIMM,64M,PC100, DIMM - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 96
Picture No. 8 Partname LCD bezel Description LCD BEZEL ASSY(12.1") Part No. 60.40G11.001 10 LCD panel LCD PANEL ASSY(HIT12.1")FL2.5 60.41H02.001 NS Hinge Bracket Pack HINGE BRACKET PACK 6K=34.40G07. - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 97
3 Partname LCD cable Description C.A LCD(14.1"ADT&UNI)FL2.5 Part No. 50.41H01.001 7 LCD bezel LCD BEZEL ASSY(14.1") 1H02.001 8, 9 Speaker Pack SPEAKER PACK 6K=60.41H04.001+60.4 1H05.001 HDD/ Hard Disk Drive NS HDD module ASSY HDD FALCON 2 6M=65.40G05.001 NS HDD, 6G, IBM HDD SM 9.5" - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 98
Partname HDD Connector Description CONN CTR ML 22P HH98227-A2(HDD Part No. 20.80056.022 NS HDD module ASSY HDD 9.5" NS HDD Connector CONN CTR ML 22P 20.80056.022 HH98227-A2(HDD FDD/ Floppy Disk Drive NS FDD Module, Panasonic FDD (PANASONIC) ASSY 6M=65.40G04.001 NS FDD Device, Panasonic - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 99
Picture No. 10 Partname FDD Cable Description C.A FDD FPC FALCON2 Part No. 50.40G01.001 3 FDD Bracket FDD REAR BRAKET 33.40G04.001 FALCON2 17 FDD Bezel FDD BEZEL(PANASONIC) 60.40G15.011 ASSY CD-ROM Drive NS CD-ROM CD/DVD-ROM Module 6M=65.40G10.001 Module,24X,MKE NS CD - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 100
Picture No. NS Partname CD-ROM Module,24X,TEAC Description ASSY CDROM TEAC FALCON2 Part No. 6M=65.40G06.001 NS CD-ROM CD ROM 24X SLIM TEAC/ 56.10061.211 Device,24X,TEAC CD224EB26 NS CD-ROM Chassis CD/ - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 101
Picture Heatsink No. NS Partname CPU Heatsink Description HEATSINK CPU FALCON2.5 Part No. 34.41H04.001 1 CPU Heatsink Plate CPU HEATSINK PLATE 31.41H02.001 FALCON2.5 NS PCMCIA Plate PCMCIA PLATE FALCON 31.41H03.001 2.5 Pointing Device - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 102
Picture Cables No. NS Partname Modem Cable Description Part No. C.A MODEM FALCON2.5 50.41H04.001 NS Launch Board Cable C.A LAUNCH FALCON2 50.40G05.001 Main board NS Main board/TM520 FALCON 2.5 MB C-500 55.41H01.S01 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 103
No. NS Partname Battery Description Part No. ASSY BTY PACK BTP-34A1 60.41H01.001 FAL2.5 NS RTC Battery, Li BTY LI 3V CR1220 36MAH 23.20004.091 Case/Cover/Bracket Assembly 5 LCD Cable Cover CABLE COVER FALCON2 42.40G06.001 NS Middle Cover - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 104
Picture No. 15 Partname Modem Cover Description MODEM COVER ASSY Part No. 60.40G06.001 12 Upper Case UPPERCASE ASSEMBLY 60. M2-3 86.9A522.3R0 NS CD-ROM Mylar Screw SCREW SPECIAL M2 86.00A03.220 FALCON2 10 LCD Screw SCRW BIND M2*L3 B-ZN SHIVA 86.9A322.3R0 20 CPU Screw SCREW CPU - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 105
PIII-600 PIII-600 PIII-600 PIII-600 PIII-600 PIII-600 PIII-600 PIII-600 PIII-600 Memory 64MB 64MB 64MB 64MB 64MB 64MB 64MB 64MB 64MB 64MB 64MB HDD 4.8GB 6GB 6GB 6GB 12GB 24x 6x DVD 24x 24x 6x DVD 24x 6x DVD Battery Lilon Lilon Lilon Lilon Lilon Lilon Lilon Lilon Lilon Lilon Lilon Appendix A 99 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 106
100 Appendix A - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 107
Test Report released by the Acer Mobile System Testing Department. TravelMate 520 Compatibility Test Report is not yet ready when the service guide was released. Test Compatible Components will not be provided at this moment. Please check website for updates of test compatible components. Appendix - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 108
102 Appendix B - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 109
6 Main manuals 6 Bios updates 6 Software utilities 6 Schematics 6 Spare parts lists 6 Chips 6 TABs (Technical Announcement Bulletin) The service repair section provides you with downloadable information on: 6 Troubleshooting guides 6 Tooling box information 6 Repair instructions for specific models - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 110
104 Appendix C - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 111
Drive Module Disassembly 49 Removing 49 Hard Disk Standby Mode 26 Hardware Specifications and Configurations 17 HDD 19 Hibernation Mode 26 Hot Keys 12 I I/O Address Map 27 Index of Error Message 71 No-Beep Symptoms 73 Index of Symptom-to-FRU Error Message 74 Indicator 74 Keyboard 76 LCD 74 Memory - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 112
23 Keyboard or Auxiliary Input Device Check 68 L LAN 18 Launch Keys 14 LCD 2, 24 Disassembly 52 M Machine Disassembly and Replacement 43 Major Chips 17 Mechanical Specifications 27 Memory 17 Removing 50 Memory Address Map 27 Memory Check 69 Memory Combinations 18 Model Number Definitions 99 Modem 18 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 113
Index 107 - Acer TravelMate 520 | TravelMate 520 Service Guide - Page 114
108 Index