Acer Travelmate 520 Service Guide

							Chapter 355
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, then 
remove the inverter board.
3.Disconnect the inverter cable from the inverter board. 
						

							56Chapter 3
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 from the LCD. 
						

							Chapter 357
Removing the Microphone
1.Remove the microphone from the LCD. 
						

							58Chapter 3
Disassembling the Upper Case
Removing the Floppy Disk Drive Module
1.To remove the floppy disk drive module, first remove the screw 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 drive bracket.
2.Remove the bracket from the drive. 
						

							Chapter 359
3.Disconnect the floppy disk drive FPC cable from the drive.
4.To remove the floppy disk drive bezel, 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 screwdriver to remove the RTC battery gently. 
						

							60Chapter 3
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 of the unit as shown.
2.At CN16, disconnect the touchpad cable from the main board.
3.Pull the upper case up from rear to front of the unit gently.
4.Remove the touchpad frame from the upper case carefully.
5.Remove the touchpad scroll button from the upper case. 
						

							Chapter 361
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. 
						

							62Chapter 3
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 CPU
1.To remove the CPU, use a flat bladed screwdriver to release the screw carefully, then remove the CPU 
from the CPU socket.
Removing the Charger Plate
1.Remove the screw from the charger plate, then remove the charger plate from the main board.
Removing the Main Board
1.Remove the three screws from the main board as shown. 
						

							Chapter 363
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 the fan from the lower case.
2.Detach the audio board from the main board. 
						

							64Chapter 3
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 bracket.
2.Remove the I/O bracket from the main board.