Acer Aspire 4230 Service Guide

Chapter 371
6.Remove the upper cover by lifting upward from the chassis. Disconnect E as shown. 

72Chapter 3
Removing the Launch Board
1.See “Removing the Upper Cover” on page 69.
2.Remove the three screws from the Launch Board.
 
3.Disconnect the Launch Board FFC as shown   
4.Lift the Launch Board clear of the Upper Cover.
StepSizeQuantityScrew Type
Launch Board M2.5*4 3 

Chapter 373
Removing the Speaker Module
1.See “Removing the Upper Cover” on page 69.
2.Turn the cover over and remove the four screws securing the Speakers to the Upper Cover.
 
3.Lift up the left speaker to allow access to the cables.Becareful not to pull damage the speaker cables.
4.Carefully lift up the mylar cover to expose the cables. Do not remove mylar completely. 
StepSizeQuantityScrew Type
Speaker Module M2.5*4 4 

74Chapter 3
5.Remove the cable from the cable channel as shown. 
6.While lifting the mylar cover, pull through the finger print reader cable and touchpad FFC to expose the 
speaker cable. 
7.Remove the cable from the cable channel.  

Chapter 375
8.Remove the seven screws from the HDD plate.
9.Lift the HDD plate and continue to pull out the speaker cable. 
10.Ensure the speaker cable is removed from the cable channel and lift up the right speaker. 
StepSizeQuantityScrew Type
Speaker Module M2.5*3 7 

76Chapter 3
Removing the Finger Print Reader
1.See “Removing the Upper Cover” on page 69.
2.Disconnect the Finger Print Reader cable.
3.Remove the securing screw from the Finger Print Reader board.
4.Remove the bracket.
StepSizeQuantityScrew Type
Finger Print 
ReaderM2.5*4 1 

Chapter 377
5.Remove the Finger Print Reader board.
Removing the Touch Pad Module
IMPORTANT:The Touch Pad is integrated into the design of the Upper Cover. To replace the Touch Pad, 
remove all components from the Upper Cover and install an entirely new Upper Cover.
1.See “Removing the Finger Print Reader” on page 76.
2.Disconnect the TouchPad cable from the TouchPad board.  

78Chapter 3
Removing the Bluetooth board
1.See “Removing the Upper Cover” on page 69.
2.Disconnect the Bluetooth cable from the mainboard.
3.Remove the single securing screw from the Bluetooth board.
4.Carefully lift the Bluetooth board from the mainboard.
StepSizeQuantityScrew Type
Bluetooth Module M2*3 1 

Chapter 379
5.Disconnect the cable from the bluetooth board. 

80Chapter 3
Removing the Mainboard
1.See “Removing the Upper Cover” on page 69.
2.Remove the two securing screws from the Mainboard.
3.Ease the casing outward and remove the mainboard, rightside first, as shown.
StepSizeQuantityScrew Type
Mainboard M2.5*4 2