Acer Aspire 3640 Service Guide

							Chapter 363
16.Remove two screws fastening the LCD hinges.
17.Then detach the LCD module from the main unit. 
						

							64Chapter 3
Disassembling the Main Unit
Separate the Main Unit Into the Upper and the Lower Case Assembly
1.Disconnect the touchpad cable and the LED FFC from the main board.
2.Remove the 15 screws on the bottom as shown.
3.Detach the upper case assembly from the lower case assembly carefully.
Disassembling the Lower Case Assembly
4.Turn over the lower case assembly to the bottom side, then disconnect the fan cable.
5.Turn over the lower case assemlby to the fron side, then detach the bluetooth module.
6.Disconnect the Bluetooth cable from the main board.
7.Disconnect the Bluetooth cable from the Bluetooth module as shown.
8.Disconnect the speaker set cable from the main board.
9.Remove the four screws fastening the main board to the lower case.
10.Detach the main board from the lower case carefully. 
						

							Chapter 365
11 .Remove the two screws holding the speaker set.
12.Take out the speaker set from the lower case.
13.Remove the three screws fastening the system fan.
14.Detach the fan from the lower case.
15.Disconnect the RTC battery cable then detach the RTC battery.
16.Disconnect the launch board FFC from the main board.
17.Disconnect the modem cable from the main board.
18.Disconnect the modem board from the main board.
19.Disconnect the modem cable from the modem board as shown. 
						

							66Chapter 3
20.Remove the five screws fastening the heatsink.
21.Remove the heatsink from the main board.
22.Use a flat-headed screwdriver to release the CPU socket lock.
23.Remove the CPU from the CPU socket carefully.
Disassembling the Upper Case Assembly
1.Remove the two screws fastening the LED board.
2.The remove the LED board from the upper case assembly carefully.
3.Disconnect the LED board FFC from the LED board.
4.Disconnect the touchpad FFC then remove it. 
						

							Chapter 367
5.Remove the four screws fastening the touchpad bracket.
6.Remove the touchpad bracket (with touchpad).
7.Detach the touchpad from the touchpad bracke.t 
						

							68Chapter 3
Disassembling the LCD Module (with video camera) 
1.Remove the four screw caps as shown.
2.Remove the four screws holding the LCD bezel.
3.Then detach the LCD bezel from the LCD module.
4.Remove the two screws fastening the LCD inverter.
5.Take out the LCD inverter from the LCD cover, then disconnect the LCD cable from the inverter.
6.Remove the two screws holding the digital camera to the LCD panel.
7.Detach the CCD panel from the CCD bezel assembly. 
8.Disconnect digital camera to LCD cable as shown.
9.Remove the two screws fastening the CCD.
10.Take out the CCD from the CCD bezel.
11 .Then remove the CCD hinge from the CCD bezel.
12.Slide the CCD latch to the right to remove the CCD latch.
NOTE: The edges of the CCD latch is very fragile, please practice this step very carefully. 
						

							Chapter 369
13.Take out the LCD assembly from the LCD panel.
14.Disconnect the LCD cable from the LCD.
15.Tear off the tape fastening the LCD cable and detach the LCD cable from the LCD.
16.Remove the two screws holding the wireless antenna set to the LCD panel.
17.Take out the wireless antenna set from the LCD panel.
18.Remove the two screws holding the LCD hinges then remove the hinges.
19.Remove the four screws fastening the LCD right bracket.
20.Remove the right bracket from the LCD.
21.Remove the four screws fastening the LCD left bracket.
22.Remove the left bracket from the LCD. 
						

							70Chapter 3 
						

							Chapter 371
Disassembling the External Modules
Disassembling the HDD Module
1.Remove the four screws fastening the HDD bracket.
2.Remove the HDD bracket.
Disassembling the ODD Module
1.Remove the two screws holding the ODD fix holder bracket.
2.Then remove the ODD fix holder bracket. 
3.Reove the two screws fastening the ODD rail bracket then remove the rail bracket. 
						

							72Chapter 3