Acer Extensa 5230 Service Guide

Chapter 385
18.Remove the left and right speaker modules from the upper case. 
Removing the Launch Board
1.See “Removing the Battery Pack” on page 54.
2.See “Removing the SD dummy card” on page 55.
3.See “Removing the PC and ExpressCard dummy cards” on page 56.
4.See “Removing the Lower Cover” on page 57.
5.See “Removing the DIMM” on page 58.
6.See “Removing the WLAN Board Modules” on page 59.
7.See “Removing the Hard Disk Drive Module” on page 61.
8.See “Removing the Optical Drive Module” on page 62....

86Chapter 3
17.Remove the one screw (1 x A) securing the launch board module. 
18.Remove the launch board module from the upper case. 
Removing the Fingerprint and Touchpad Module
1.See “Removing the Battery Pack” on page 54.
2.See “Removing the SD dummy card” on page 55.
3.See “Removing the PC and ExpressCard dummy cards” on page 56.
4.See “Removing the Lower Cover” on page 57.
5.See “Removing the DIMM” on page 58.
6.See “Removing the WLAN Board Modules” on page 59.
7.See “Removing the Hard Disk Drive...

Chapter 387
14.See “Removing the VGA Board (Discrete Model only)” on page 73.
15.See “Removing the LCD Module” on page 74.
16.See “Separating the Upper Case from the Lower Case” on page 76.
17.Disconnect the touchpad cable from the touchpad board. 
18.Disconnect the fingerprint cable from the fingerprint board.  

88Chapter 3
19.Remove the three screws (2 x F, 1 x A) securing the bracket to the upper case. 
20.Remove the touchpad bracket. 
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L3 (2) Silver 1.6 kgf-cm
3 M2 x L3 (2) Silver 1.6 kgf-cm 

Chapter 389
21.Remove the fingerprint board module. 
22.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 Modem Board 
1.See “Removing the Battery Pack” on page 54.
2.See “Removing the SD dummy card” on page 55. 

90Chapter 3
3.See “Removing the PC and ExpressCard dummy cards” on page 56.
4.See “Removing the Lower Cover” on page 57.
5.See “Removing the DIMM” on page 58.
6.See “Removing the WLAN Board Modules” on page 59.
7.See “Removing the Hard Disk Drive Module” on page 61.
8.See “Removing the Optical Drive Module” on page 62.
9.See “Removing the Middle Cover” on page 66.
10.See “Removing the Keyboard” on page 69.
11 .See “Removing the Heatsink Fan Module” on page 70.
12.See “Removing the CPU and VGA Heatsink...

Chapter 391
19.Disconnect the cable from the modem board.
Removing the USB Board Module
1.See “Removing the Battery Pack” on page 54.
2.See “Removing the SD dummy card” on page 55.
3.See “Removing the PC and ExpressCard dummy cards” on page 56.
4.See “Removing the Lower Cover” on page 57.
5.See “Removing the DIMM” on page 58.
6.See “Removing the WLAN Board Modules” on page 59.
7.See “Removing the Hard Disk Drive Module” on page 61.
8.See “Removing the Optical Drive Module” on page 62.
9.See “Removing the...

92Chapter 3
17.Remove the one screw (B) securing the USB board to the lower case. 
18.Lift the USB board and disconnect the cable from USBCN1 on the USB board. 
Removing the Main Board
1.See “Removing the Battery Pack” on page 54.
2.See “Removing the SD dummy card” on page 55.
3.See “Removing the PC and ExpressCard dummy cards” on page 56.
4.See “Removing the Lower Cover” on page 57.
5.See “Removing the DIMM” on page 58.
6.See “Removing the WLAN Board Modules” on page 59.
7.See “Removing the Hard Disk...

Chapter 393
14.See “Removing the VGA Board (Discrete Model only)” on page 73.
15.See “Removing the LCD Module” on page 74.
16.See “Separating the Upper Case from the Lower Case” on page 76.
17.See “Removing the Modem Board” on page 85.
18.See “Removing the USB Board Module” on page 87.
19.Disconnect the Bluetooth cable from BLUE1 on the main board. 
20.Disconnect the DC cable from the DC1 connector on the main board. 

94Chapter 3
21.Remove the three screws (B) securing the main board in place. 
22.Carefully remove the main board. 
StepSize (Quantity)ColorTo r q u e
1~3 M2 x L4 (3) Silver 1.6 kgf-cm