Acer Aspire 4230 Service Guide

							Chapter 361
Main Unit Disassembly Process
Main Unit Disassembly Flowchart
Screw List
StepSizeQuantityAcer Part No.
Switch Cover M2.5*4 3 86.T23V7.009
LCD Module M2.5*6.5 4 86.ARE07.001
M2*3 4 86.A08V7.005
LED Board M2.5*4 1 86.T23V7.009
Upper Cover M2.5*6.5 11 86.ARE07.001
M2.5*4 7 86.T23V7.009
Launch Board M2.5*4 3 86.T23V7.009
Speaker Module M2.5*4 4 86.T23V7.009
M2.5*3 7 86.A03V7.010
Rem ove
Switch Cover
Rem ove
Keyboard
Rem ove
LCD Module
Rem ove
Launchboard
Rem ove
Mainboard
Rem ove
Modem Board
Remove External
Modules before
proceeding
Rem ove
LED Board
Upper
CoverLower
Cover
Rem ove
Speaker ModuleRem ove
Fingerprint
Reader
Rem ove
TouchPad FFC
Rem ove
Bluetooth Board
Rem ove
I/O BoardRem ove
Thermal Module
Rem ove
CPU 
						

							62Chapter 3
Finger Print Reader M2.5*4 1 86.T23V7.009
Bluetooth Board M2*3 1 86.A08V7.005
Mainboard M2.5*4 2 86.T23V7.009
Modem Board M2.5*4 2 86.T23V7.009
I/O Board M2.5*3 2 86.A03V7.010
Thermal Module N/A 4 N/A
M2.5*4 1 86.T23V7.009
StepSizeQuantityAcer Part No. 
						

							Chapter 363
Removing the Switch Cover
CAUTION: Using tools to remove the Switch Cover may cause damage to the outer casing. It is 
recommended that only fingers are used to remove the Switch Cover.
1.See “Removing the Battery Pack” on page 50.
2.Locate and remove the three securing screws as shown.
3.Turn the computer over and open the LCD module fully to expose the Switch Cover.
4.Lift the Switch Cover as shown, leftside first.
5.Lift the Switch Cover clear of the chassis.
StepSizeQuantityScrew Type
Switch Cover M2.5*4 3 
						

							64Chapter 3
Removing the Keyboard
1.See “Removing the Switch Cover” on page 63.
2.Lift the keyboard up and turn over to expose the Touch Pad area. 
3.Disconnect the keyboard FFC from the mainboard to remove the keyboard.
4. Lift and remove the keyboard. 
						

							Chapter 365
Removing the Antenna Cables
1.See “Removing the Keyboard” on page 64.
2.Ensure the Antenna Cables are disconnected.
3.Turn the computer over. Use the tweezers to gently pull the cable through the chassis. 
						

							66Chapter 3
Removing the LCD Module
1.See “Removing the WLAN Module” on page 55.
2.See “Removing the Antenna Cables” on page 65.
3.Remove the two securing screws from the bottom of the chassis.
4.Turn the computer over. Disconnect the following two cables from the chassis.
StepSizeQuantityScrew Type
LCD Module M2.5*6.5 2 
						

							Chapter 367
5.Remove the six securing screws (including the grounding wire screw) from the LCD module.
6.Carefully remove the LCD module from the chassis. 
StepSizeQuantityScrew Type
LCD Module
(red callout)M2*3 4
LCD Module
(green callout)M2.5*6.5 2 
						

							68Chapter 3
Removing the LED Board
1.See “Removing the Switch Cover” on page 63.
2.Remove the LED board FFC.
3.Remove the securing screw and lift the LED board.
StepSizeQuantityScrew Type
LED Board M2.5*4 1 
						

							Chapter 369
Removing the Upper Cover
1.See “Removing the Battery Pack” on page 50.
2.See “Removing the LCD Module” on page 66.
3.Turn the computer over. Remove the eleven screws on the bottom panel.
4. Turn the computer over. Remove the seven screws on the top panel.
StepSizeQuantityScrew Type
Upper Cover M2.5*6.5 11
StepSizeQuantityScrew Type
Upper Cover M2.5*4 7 
						

							70Chapter 3
5.Locate the cables connecting the mainboard to the Upper Cover as shown.
Release the securing latches and disconnect A as 
shown. Release the securing latches and disconnect B as 
shown.
Disconnect C as shown. Release the securing latches and disconnect D as 
shown.
B E
A
D
C