Acer Aspire 1520 Service Guide

							Chapter 362
Removing the Thermal Module
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Middle Cover Hook /Fan” on page 61.
5.Disconnect the fan cable then remove the four screws fastening the thermal module.
6.Then remove the thermal module.
Removing the Processor
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the RTC Battery” on page 61.
5.See “Removing the Middle Cover Hook /Fan” on page 61.
6.See “Removing the Thermal Module” on page 62.
7.Lift up the CPU socket lever. Then remove the CPU. Remember to press down the lever as the video 
shows after you remove the CPU.
Installing the Processor
1.See “Removing the Battery” on page 50. 
						

							63Chapter 3
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the RTC Battery” on page 61.
5.See “Removing the Middle Cover Hook /Fan” on page 61.
6.See “Removing the Thermal Module” on page 62.
7.Lift up the CPU lever, then place the CPU back to the CPU socket. Please remember to press the CPU 
lever after you put the CPU back to the socket.
Removing the Upper Case Assemly 
1.See “Removing the Keyboard” on page 61.
2.Disconnect the touchpad cable.
3.Remove the 5 screws that secure the upper case to the lower case. Then turn over the main unit and 
remove the 15 screws holding the lower case to the upper case.
4.Then take the upper case assembly off the main unit. 
						

							Chapter 364
Removing the Touchpad Board
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Upper Case Assemly” on page 63.
5.To detach the touch pad board, first disconnect the touch pad cable from the touch pad board with a 
plastic tweezers.Then release the touchpad cover lock on the back as the picture shows.
6.Remove the touchpad cover, the remove the touchpad button pad. Finally remove the touchpad board 
from the upper case.
Removing the Touchpad Cable
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the LCD Module” on page 55.
4.See “Removing the Keyboard” on page 61.
5.See “Removing the Upper Case Assemly” on page 63.
6.See “Removing the Touchpad Board” on page 64.
7.Remove the touchpad scroll key then remove the touchpad cable.
Removing the VGA Thermal Plate
1.See “Removing the Battery” on page 50. 
						

							65Chapter 3
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Middle Cover Hook /Fan” on page 61.
5.See “Removing the Thermal Module” on page 62.
6.Remove the seven screws holding the VGA thermal plate then remove it.
Removing the CPU Heatsink Plate
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Middle Cover Hook /Fan” on page 61.
5.See “Removing the Thermal Module” on page 62.
6.Remove two screws that fasten the CPU heatsink plate then remove it.
Removing the Second Fan Bracket
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the LCD Module” on page 55.
4.See “Removing the RTC Battery” on page 61.
5.See “Removing the Middle Cover Hook /Fan” on page 61.
6.See “Removing the Thermal Module” on page 62.
7.Remove the four screws that fasten the second fan bracket then remove the bracket. 
						

							Chapter 366
Removing the ODD Module(1)
1.See “Removing the Battery” on page 50.
2.Remove the screw that fastens the ODD bracket on the bottom. Push the ODD module at the point the 
red arrow indicates hard.Then remove the ODD module from the lower case.
NOTE: If you need to replace the ODD module only, you can remove the ODD module as the steps above.
Removing the ODD Module(2)
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Upper Case Assemly” on page 63.
5.See “Removing the Thermal Module” on page 62.
6.See “Removing the VGA Thermal Plate” on page 64.
7.Push the ODD module outwards then take the ODD out of the support bracket. Remove the screw that 
fastens the ODD support bracket then remove it.
Removing the HDD Bracket
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61. 
						

							67Chapter 3
4.See “Removing the Upper Case Assemly” on page 63.
5.Remove the four screws holding the HDD bracket, then remove the HDD bracket.
Removing the Main Board
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Upper Case Assemly” on page 63.
5.See “Removing the Middle Cover Hook /Fan” on page 61.
6.See “Removing the Thermal Module” on page 62.
7.See “Removing the VGA Thermal Plate” on page 64.
8.See “Removing the CPU Heatsink Plate” on page 65.
9.See “Removing the Second Fan Bracket” on page 65.
10.See “Removing the ODD Module(2)” on page 66.
11 .See “Removing the HDD Bracket” on page 66.
12.Disconnect the launch board cable. Tear off the tape that fastens the speaker set cable. Then disconnect 
the speaker set cable.
.
13.Remove the two screws holding the main board as the picture shows. Remove another two screws that 
fasten the main board. Then detach the main board from the lower case carefully. 
						

							Chapter 368
Removing the DC Board
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Upper Case Assemly” on page 63.
5.See “Removing the Middle Cover Hook /Fan” on page 61.
6.See “Removing the Thermal Module” on page 62.
7.See “Removing the VGA Thermal Plate” on page 64.
8.See “Removing the CPU Heatsink Plate” on page 65.
9.See “Removing the Second Fan Bracket” on page 65.
10.See “Removing the ODD Module(2)” on page 66.
11 .See “Removing the HDD Bracket” on page 66.
12.See “Removing the Main Board” on page 67.
13.Remove the two screws that fasten the DC board. Then detach the DC board from the lower case.
Removing the I/O Port Bracket
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Upper Case Assemly” on page 63.
5.See “Removing the Middle Cover Hook /Fan” on page 61.
6.See “Removing the Thermal Module” on page 62.
7.See “Removing the VGA Thermal Plate” on page 64.
8.See “Removing the CPU Heatsink Plate” on page 65.
9.See “Removing the Second Fan Bracket” on page 65.
10.See “Removing the ODD Module(2)” on page 66.
11 .See “Removing the HDD Bracket” on page 66.
12.See “Removing the Main Board” on page 67.
13.Remove the four hex screws to detach the I/O port bracket from the main board. 
						

							69Chapter 3
Removing the PCMCIA Slot
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Upper Case Assemly” on page 63.
5.See “Removing the Middle Cover Hook /Fan” on page 61.
6.See “Removing the Thermal Module” on page 62.
7.See “Removing the VGA Thermal Plate” on page 64.
8.See “Removing the CPU Heatsink Plate” on page 65.
9.See “Removing the Second Fan Bracket” on page 65.
10.See “Removing the ODD Module(2)” on page 66.
11 .See “Removing the HDD Bracket” on page 66.
12.See “Removing the Main Board” on page 67.
13.Remove the four screws that secure the PCMCIA slot, then remove the PCMCIA slot from the lower case.
Removing the Speaker Set
1.See “Removing the Battery” on page 50.
2.See “Removing the Middle Cover” on page 54.
3.See “Removing the Keyboard” on page 61.
4.See “Removing the Upper Case Assemly” on page 63.
5.See “Removing the Middle Cover Hook /Fan” on page 61.
6.See “Removing the Thermal Module” on page 62.
7.See “Removing the VGA Thermal Plate” on page 64.
8.See “Removing the CPU Heatsink Plate” on page 65.
9.See “Removing the Second Fan Bracket” on page 65. 
						

							Chapter 370
10.See “Removing the ODD Module(2)” on page 66.
11 .See “Removing the HDD Bracket” on page 66.
12.See “Removing the Main Board” on page 67.
13.See “Removing the DC Board” on page 68.
14.Tear off the tape fastening the speaker set cable. Then remove the four screws that secure the speaker 
set. Remove the speaker set from the lower case. 
						

							71Chapter 3
System Upgrade Procedure
Base Unit to Wireless Unit
1.Turn out the two screws fastening the modem cover then open the cover.
2.Connect the wirless antennae.
3.Insert the wireless LAN board to the wireless socket on the main board.
4.Close the modem cover and fasten the cover with the two screws.
NOTE: You must connect the wireless antennae before you insert the wireless LAN board to the socket. If you 
insert the wireless LAN card first, the pressure you press to fasten the wireless antennae may damage 
the main board.