Acer Aspire 4230 Service Guide

Chapter 3101
Replacing the Finger Print Reader
Replacing the Speaker Module
1. Replace the Finger Print Reader board.2. Replace the Fingerprint Reader bracket.
3. Replace the single securing screw.4. Connect the Finger Print Reader cable.
1. Replace the right speaker and align so that the screw sockets are visible. 

102Chapter 3
2. Lift the HDD plate and insert the cable along the housing guides.
3.Replace the seven screws in the HDD plate.4.With one hand carefully lift up the mylar cover and 
continue inserting the cable in place as shown.
5.Lift up the mylar cover and replace the finger print reader cable and touchpad FFC over the speaker cable. 

Chapter 3103
6.Carefully pull back mylar cover as shown.7.Insert the cable along its guides on the right side of 
the upper cover.
NOTE:  Ensure that the cable is properly inserted inside the housing guides before replacing the mylar cover. 
8.Replace the left speaker in the upper cover.9.Replace the four securing screws as shown. 

104Chapter 3
Replacing the Launch Board
Replacing the Upper Cover
1. Place the Launch board in the upper cover.2. Replace the FFC and close the locking latch.
3. Replace the three securing screws.
1. Place the Upper Cover on the lower cover as shown.
2. Press down around the edges of the casing to snap it into place. 

Chapter 3105
3. Locate the following cables on the Upper Cover.
Replace A as shown and close the locking latch.
 Replace B as shown and close the locking latch.
Connect C as shown. Replace D as shown and close the locking latch.
B E
A
D
C 

106Chapter 3
Connect E as shown.
4.Replace the seven screws securing the Upper 
Cover to the Lower Cover.5.Turn the computer over and replace the eleven 
screws shown. 

Chapter 3107
Replacing the LED Board
Replacing the LCD Module
1. Place the LED Board on the Upper Cover as 
shown.2. Connect the FFC and close the locking latch.
3. Replace the single securing screw.
1. Align the LCD hinges as shown and place the 
hinges in the Upper Cover.2.Replace the three securing screws in the left side 
hinge and secure the grounding cable. 

108Chapter 3
Replacing the Antenna Cables
IMPORTANT:Ensure that the antenna cables are not pinched under the LCD hinge. 3. Replace the two securing screws in the right side 
hinge.4.Connect the LCD cables as shown.
5.Ensure that the LCD cables follow the cable 
channel and use all the available clips.6.Turn the computer over and replace the two 
securing screws.
1. Insert the antenna cables through the chassis and 
pull them completely through from the underside.2.Place the Antenna cables in the cable...

Chapter 3109
Replacing the Keyboard
1.Turn the keyboard over to expose the FFC, and 
use the pull-tab to insert the FFC into the 
connector.2.Close the locking latch to secure the FFC in place.
3.Turn the keyboard over, taking care not to detach 
the FFC from the Mainboard.4.Insert the keyboard by sliding the keyboard tabs in 
place first as shown
5.Rotate the keyboard downward and rest it in place. 

11 0Chapter 3
Replacing the Switch Cover
Replacing the ODD Module
1.Place the Switch Cover into the Upper Cover, rear 
edge first, and rotate down into position.2.Press down as shown to snap the centre of the 
cover into place.
3.Press down on the edges of the cover to snap it 
into place.4.Turn over the computer and replace the three 
securing screws as shown.
1.Replace the ODD bracket and secure with the two 
screws.2.Replace the ODD bezel and ensure the locking 
catch is locked in place.