Acer Travelmate 5520 Service Guide

							Chapter 361
2.Pull it out from the slot (2). 
Removing the PC and ExpressCard dummy cards
1.Press the eject button to pop out the button.
2.Press it again (1) to pop out the PC dummy card (2). Remove the PC dummy card from the slot. 
						

							62Chapter 3
3.Push the ExpressCard dummy card all the way in to eject it. 
4.Pull it out from the slot.
Removing the Lower Cover
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.Remove the seven screws (B) on the lower cover.   
StepSize (Quantity)ColorTo r q u e
1~7 M2 x L4 (7) Black 1.6 kgf-cm 
						

							Chapter 363
5.Use a plastic screw driver to carefully pry open the lower cover. 
6.Remove the lower cover from the lower case. 
Removing the DIMM 
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.Push out the latches on both sides of the DIMM socket to release the DIMM.  
						

							64Chapter 3
6.Remove the DIMM module. 
Removing the WLAN Board Modules
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.Remove the tape holding the gray antenna. 
6.Disconnect the antenna cables from the WLAN board.  
						

							Chapter 365
7.Move the antenna away from the WLAN board and remove the two screws (F) on the WLAN board to 
release the WLAN board.   
8.Detach the WLAN board from the WLAN socket. 
NOTE:  When attaching the antenna back to the WLAN board, make sure the cable are arranged properly. 
Removing the Hard Disk Drive 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.Remove the two screws (C) securing the hard disk module.
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L3 (2) Silver 1.6 kgf-cm
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L4 (2) Silver 1.6 kgf-cm 
						

							66Chapter 3
6.Disconnect the hard disk module from the connector by pulling on the mylar tab on the hard disk module.
7.Remove the hard disk module.  
NOTE: To prevent damage to device, avoid pressing down on it or placing heavy objects on top of it. 
8.Remove the four screws (G) as shown. 
9.Remove the hard disk drive from the bracket.
Removing the Optical Drive Module
1.See “Removing the Battery Pack” on page 60..
StepSize (Quantity)ColorTo r q u e
1~4 M3 x L4 (4) Silver 1.8 kgf-cm 
						

							Chapter 367
2.Turn the base unit over, then remove the one screw (A) on the bottom side of the unit. 
3.Carefully use a plastic screw driver (1) to eject the optical drive tray (2). 
4.Pull the optical drive module out from the main unit. 
StepSize (Quantity)ColorTo r q u e
1 M2.5 x L6 (1) Black 3.0 kgf-cm 
						

							68Chapter 3
5.Remove the one screw (C) securing the locker bracket and remove the locker bracket from the optical 
disk drive module.  
StepSize (Quantity)ColorTo r q u e
1 M2 x L4 (1) Silver 1.6 kgf-cm 
						

							Chapter 369
Main Unit Disassembly Process
Main Unit Disassembly Flowchart
Screw List
ScrewPart No.
A M2.5 x L6 86.00E33.736
C M2 x L4 86.9A552.4R0
D M2.5 x L5 86.00E74.335
F M2 x L3 86.00C07.220
H M2.5 x L8 86.00E34.738
MAIN UNIT
KEYBOARD
MAIN
BOARD Cx2
MAIN UNIT DISASSEMBLY
MIDDLE
COVER
LCD MODULE
Hx2 Ax 2
UPPER CASE
Ax14
LEFT AND RIGHT
SPEAKER MODULE
Cx4
MODEM
BOARD Cx2 Cx2
CPU/VGA
THERMAL MODULE
CPU
TOUCH PAD BRACKET
ASSEMBLY
Fx2
TOUCH PAD
BRACKET
LAUNCH BOARD
Cx2 HEAT SINK FAN
USB BOARD
C x9 (Cx5 for UMA module)
Fx 2
VGA
BOARD
POWER
BOARD
Fx 1
Dx2
TOUCH PAD
BOARDFINGERPRINT
BOARD Fx2
Cx1 
						

							70Chapter 3
Removing the Modem Board 
1.See “Removing the Battery Pack” on page 60.
2.See “Removing the Lower Cover” on page 62.
3.See “Removing the DIMM” on page 63..
4.See “Removing the WLAN Board Modules” on page 64..
5.Remove the 2 screws (C) securing the modem card. 
6.Lift partially to detach the modem board from the main board. 
NOTE: The modem cable is still attached to the modem board.
7.Disconnect the modem cable from the modem board. 
Removing the Heatsink Fan Module
1.See “Removing the Battery Pack” on page 60.
2.See “Removing the Lower Cover” on page 62.
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L4 (2) Silver 1.8 kgf-cm