Acer Travelmate 5520g Service Guide

							Chapter 371
3.Disconnect the heatsink fan connector from FAN1 on the main board. 
4.Remove the two screws (C) securing the heatsink fan module.   
5.Remove the heatsink fan module from the main board. 
Removing the CPU and VGA Heatsink 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 1.6 kgf-cm 
						

							72Chapter 3
3.Remove the five screws (C) securing the CPU module in place. 
a.For Discrete model, remove the nine screws (C) securing the CPU and VGA heatsink module in 
place. 
StepSize (Quantity)ColorTo r q u e
1~5 M2 x L4 (5) Silver 3.0 kgf-cm
StepSize (Quantity)ColorTo r q u e
1~9 M2 x L4 (9) Silver 3.0 kgf-cm 
						

							Chapter 373
4.Slide out and remove the heatsink module. 
a.For Discrete model, slide out and remove the heatsink.  
Removing the CPU 
1.See “Removing the Battery Pack” on page 60..
2.See “Removing the Lower Cover” on page 62..
3.See “Removing the Heatsink Fan Module” on page 70. 
						

							74Chapter 3
4.See “Removing the CPU and VGA Heatsink Module” on page 71.
5.Using a flat screwdriver, turn the CPU socket latch counter-clockwise to release the CPU, then remove 
the CPU. 
NOTE: When installing the CPU, make sure to install the CPU with PIN 1 at the corner as shown. 
Removing the VGA board (for Discrete model only)
1.See “Removing the Battery Pack” on page 60.
2.See “Removing the Lower Cover” on page 62.
3.See “Removing the Heatsink Fan Module” on page 70.
4.See “Removing the CPU and VGA Heatsink Module” on page 71. 
						

							Chapter 375
5.Remove the two screws (D) securing the VGA board.  
6.Carefully remove the VGA board from the main board. 
Removing the Middle Cover and the Power Board
1.See “Removing the Battery Pack” on page 60.
2.Open the LCD screen all the way to facilitate the easy removal of the middle cover. 
3.To remove the Middle Cover, carefully insert the plastic flat screwdriver under the side of the middle cover 
and gently pry up the middle cover. Continue prying on the other side until you could detach the Middle 
Cover.  
StepSize (Quantity)ColorTo r q u e
1~2 M2.5 x L5 (2) Silver 1.6 kgf-cm 
						

							76Chapter 3
4.Detach the cover and turn it over on the keyboard. 
5.Disconnect the Power board cable from the main board and disconnect the Power board cable.  
						

							Chapter 377
6.Remove the Middle Cover together with the Power board. 
7.Remove the one screw (F) securing the Power board to the middle cover, and remove the Power board 
from the middle cover.   
Removing the Keyboard
1.See “Removing the Battery Pack” on page 60..
2.See “Removing the Middle Cover and the Power Board” on page 75.
StepSize (Quantity)ColorTo r q u e
1 M2 x L3 (1) Silver 1.6 kgf-cm 
						

							78Chapter 3
3.Remove the two screws (F) securing the keyboard to the upper case.  
4.Carefully pry the keyboard out of the latch and slide it out; then turn it over on the touchpad area. 
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L3 (2) Silver 1.6 kgf-cm 
						

							Chapter 379
5.Disconnect the keyboard cable from the main board to remove the keyboard.   
Removing the LCD Module
1.See “Removing the Battery Pack” on page 60.
2.See “Removing the Lower Cover” on page 62.
3.See “Removing the WLAN Board Modules” on page 64.
4.See “Removing the Middle Cover and the Power Board” on page 75.
5.See “Removing the Keyboard” on page 77. 
						

							80Chapter 3
6.Remove the acetic tape and disconnect the LCD coaxial cable from the LCD1 connector on the main 
board and release it from the latch.   
7.Remove the internal microphone cable from the INTMIC1 connector on the main board.