Acer Travelmate 5520g Service Guide

							Chapter 381
8.Release the wireless LAN antenna cables from the hole and latches as shown. 
9.Remove the two screws (A) from the base of the unit. 
10.Remove the two screws (H) from the left and right hinge of the LCD module. 
11 .Carefully remove the LCD module from the base unit. 
NOTE: When connecting the cable back to the unit, please note that the cable should be routed well.
StepSize (Quantity)ColorTo r q u e
1~2 M2.5 x L6 (2) Black 4.0 kgf-cm
StepSize (Quantity)ColorTo r q u e
1~2 M2.5 x L8 (2) Black 4.0 kgf-cm 
						

							82Chapter 3
Separating the Upper Case from the Lower Case
1.See “Removing the Battery Pack” on page 60.
2.See “Removing the SD dummy card” on page 60.
3.See “Removing the PC and ExpressCard dummy cards” on page 61.
4.See “Removing the Lower Cover” on page 62.
5.See “Removing the DIMM” on page 63.
6.See “Removing the WLAN Board Modules” on page 64.
7.See “Removing the Hard Disk Drive Module” on page 65.
8.See “Removing the Optical Drive Module” on page 66.
9.See “Removing the Modem Board” on page 70.
10.See “Removing the Heatsink Fan Module” on page 70.
11 .See “Removing the CPU and VGA Heatsink Module” on page 71.
12.See “Removing the CPU” on page 73.
13.See “Removing the VGA board (for Discrete model only)” on page 74.
14.See “Removing the Middle Cover and the Power Board” on page 75.
15.See “Removing the Keyboard” on page 77.
16.See “Removing the LCD Module” on page 79.
17.Disconnect the cover switch cable from LID1 on the main board. 
18.Disconnect the DC in cable from the main board. 
						

							Chapter 383
19.Disconnect the Launch board cable from the SWITCHCN1 from the main board.  
20.Disconnect the fingerprint cable (select model only) from the FPCN1 connector on the main board.  
						

							84Chapter 3
21.Disconnect the touchpad cable from the TOUCHPAD1 on the main board. 
22.Remove the fourteen screws (A) on the bottom panel. 
23.Gently raise the upper case from the main unit. 
StepSize (Quantity)ColorTo r q u e
1~14 M2.5 x L6 (14) Black 3.0 kgf-cm 
						

							Chapter 385
Removing the Launch Board
1.See “Removing the Battery Pack” on page 60.
2.See “Removing the SD dummy card” on page 60.
3.See “Removing the PC and ExpressCard dummy cards” on page 61.
4.See “Removing the Lower Cover” on page 62.
5.See “Removing the DIMM” on page 63.
6.See “Removing the WLAN Board Modules” on page 64.
7.See “Removing the Hard Disk Drive Module” on page 65.
8.See “Removing the Optical Drive Module” on page 66.
9.See “Removing the Modem Board” on page 70.
10.See “Removing the Heatsink Fan Module” on page 70.
11 .See “Removing the CPU and VGA Heatsink Module” on page 71.
12.See “Removing the CPU” on page 73.
13.See “Removing the VGA board (for Discrete model only)” on page 74.
14.See “Removing the Middle Cover and the Power Board” on page 75.
15.See “Removing the Keyboard” on page 77.
16.See “Removing the LCD Module” on page 79.
17.See “Separating the Upper Case from the Lower Case” on page 82.
18.Release the latch and remove the launch board cable from the launch board.  
						

							86Chapter 3
19.Remove the one screw (F) holding the launch board and remove the launch board from the upper cover.   
Removing theTouch Pad Board Module
1.See “Removing the Battery Pack” on page 60.
2.See “Removing the SD dummy card” on page 60.
3.See “Removing the PC and ExpressCard dummy cards” on page 61.
4.See “Removing the Lower Cover” on page 62.
5.See “Removing the DIMM” on page 63.
6.See “Removing the WLAN Board Modules” on page 64.
7.See “Removing the Hard Disk Drive Module” on page 65.
8.See “Removing the Optical Drive Module” on page 66.
9.See “Removing the Modem Board” on page 70.
10.See “Removing the Heatsink Fan Module” on page 70.
11 .See “Removing the CPU and VGA Heatsink Module” on page 71.
12.See “Removing the CPU” on page 73.
13.See “Removing the VGA board (for Discrete model only)” on page 74.
14.See “Removing the Middle Cover and the Power Board” on page 75.
15.See “Removing the Keyboard” on page 77.
16.See “Removing the LCD Module” on page 79.
17.See “Separating the Upper Case from the Lower Case” on page 82.
StepSize (Quantity)ColorTo r q u e
1 M2 x L3 (1) Silver 1.6 kgf-cm 
						

							Chapter 387
18.Remove the fingerprint cable from the fingerprint board. 
19.Remove the touch pad cable from the touch pad board.   
						

							88Chapter 3
20.Remove the two screws (F) on the touch pad bracket and remove the touch pad bracket from the upper 
case. 
 
21.Remove the two screws (F) from the fingerprint board.   
22.Remove the fingerprint board from the upper case.  
StepSize (Quantity)ColorTorque
1~2  M2 x L3 (2) Silver 1.6 kgf-cm
StepSize (Quantity)ColorTorque
1~2  M2 x L3 (2) Silver 1.6 kgf-cm 
						

							Chapter 389
23.Carefully pry loose and remove the touch pad board. 
WARNING:The touchpad board is glued to the upper case, only remove the touchpad board if it is defective.
Removing the main board
1.See “Removing the Battery Pack” on page 60.
2.See “Removing the SD dummy card” on page 60.
3.See “Removing the PC and ExpressCard dummy cards” on page 61.
4.See “Removing the Lower Cover” on page 62.
5.See “Removing the DIMM” on page 63.
6.See “Removing the WLAN Board Modules” on page 64.
7.See “Removing the Hard Disk Drive Module” on page 65.
8.See “Removing the Optical Drive Module” on page 66.
9.See “Removing the Modem Board” on page 70.
10.See “Removing the Heatsink Fan Module” on page 70.
11 .See “Removing the CPU and VGA Heatsink Module” on page 71.
12.See “Removing the CPU” on page 73.
13.See “Removing the VGA board (for Discrete model only)” on page 74.
14.See “Removing the Middle Cover and the Power Board” on page 75.
15.See “Removing the Keyboard” on page 77.
16.See “Removing the LCD Module” on page 79.
17.See “Separating the Upper Case from the Lower Case” on page 82.
18.Disconnect the Bluetooth cable from the BLUE1 connector on the main board.  
						

							90Chapter 3
19.Disconnect the speaker cable from the SPKR1 on the main board. 
20.Remove the two screws (C) holding the main board. 
21.Carefully detach the main board and turn it over to access the USB board cable. 
22.Detach the USB board cable from the USBCN1 on the main board. 
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L4 (2) Silver 1.6 kgf-cm