Acer Aspire 4230 Service Guide

Chapter 391
Removing the LCD Brackets and FPC Cable
1.See “Removing the LCD Panel” on page 90.
2.Turn the LCD panel over to expose the rear. Lift up the adhesive pads and detach the cables.
3. Remove the four securing screws (two on each side) from the LCD Panel brackets.
4.Remove the LCD brackets by pulling away from the LCD Panel as shown.
StepSizeQuantityScrew Type
LCD Panel M2*3 4 

92Chapter 3
LCD Module Reassembly Procedure
Replacing the LCD Panel
1.Align the LCD brackets with the four screw holes (two on each side) on the LCD Panel as shown.
2.Secure the LCD brackets to the LCD panel.
3.Turn the panel over. Insert the LCD Panel cable into the LCD Panel as shown. 

Chapter 393
4.Align the LCD Panel cable as shown and re-attach the adhesive pads.
5.Turn the panel over and place it in the LCD casing as shown.
6.Replace the six securing screws. 

94Chapter 3
Replacing the Camera Module
Replacing the Inverter Board
1.  Connect the camera cable to the camera board. 2.  Replace the camera board in the LCD casing
1.  Connect the left and right inverter cables to the inverter board.
2.  Replace the Inverter board in the LCD casing as shown. 

Chapter 395
Replacing the LCD Bezel
1. Locate the bezel correctly and press down the edges until there are no gaps between the bezel and the LCD 
Module.
2. Replace the six screws and the rubber screw caps provided. 

96Chapter 3
Main Module Reassembly Procedure
Replacing the CPU
1.Align the CPU as shown and place the CPU in the socket.
IMPORTANT:Ensure that the Pin-1 corner of the CPU is correctly aligned with the Pin-1 locator on the socket.
2.Using a plastic screw driver (recommended), lock the CPU in the socket as shown.
IMPORTANT:Do not force the lock. If any resistance is encountered, remove the CPU and check the 
alignment.
Pin-1 Locator
Pin-1 

Chapter 397
Replacing the Thermal/Fan Module
1.Align the Thermal Module with the screw holes around the CPU and replace the module.
2.Replace the five securing screws in the Fan module and heatsink.
3.Connect the Fan cable to the Mainboard. 

98Chapter 3
Replacing the I/O Board
Replacing the Modem Module
1. Align the I/O Board with the mainboard screw 
holes and place it as shown. 2. Replace the two securing screws.
1. Reconnect the modem cable to the module.2. Align the Modem module as shown and push 
down to connect the interface.
3. Replace the two securing screws.4. Replace the adhesive tape securing the modem 
cable to the mainboard. 

Chapter 399
Replacing the Mainboard
Replacing the Bluetooth Board
1. Ensure that the Mainboard is face up (the Heatsink and CPU are not visible). Place the mainboard in the 
chassis, left side first, and press down to install.
IMPORTANT:Make sure the I/O ports are positioned correctly through the lower cover, and the screw 
sockets are visible through the mainboard.
2. Replace the two securing screws as shown.
1. Connect the cable to the bluetooth board.2. Align the Bluetooth board over the guide on the...

100Chapter 3
Replacing the Touch Pad Module
1.Connect the Touch Pad cable to the Touch Pad board. 
NOTE: The Touch Pad is integrated into the design of the Upper Cover.  3. Connect the board to mainboard cable.