Acer Aspire 3620 Service Guide

							Chapter 353
Removing the Battery Pack
1.Unlock the battery lock.
2.Slide the battery latch then remove the battery.
  
						

							54Chapter 3
Removing the Wireless LAN Card/the HDD Module/the Memory/the 
ODD Module and the LCD Module 
Removing the Memory and the HDD Module
1.Remove the five screws fastening the DIMM cover.
2.Detach the DIMM cover carefully.
3.Pop out the memory carefully.
4.Disconnect wireless main and auxiliary antenna from the wireless LAN card.
5.Pop out the wireless LAN card and remove it.
6.Remove the three screwss fastening the HDD cover.
7.Detach the HDD cover from the main unit.
8.Remove the four screws fastening the HDD module.
9.Then detach the HDD module carefully. 
						

							Chapter 355
Removing the ODD Module
1.First, remove the screw fastening the ODD module as shown.
2.Push the ODD module outwards then remove it.
Removing the LCD Module
1.Detach the middle cover from the main uiit carefully.
2.Disconnect the launch board FFC from the launch board.
3.Remove the middle cover (with launch board and microphone) from the main unit.
4.Disconnect the microphone cable from the launch board. 
						

							56Chapter 3
5.Take out the microphone from the middle cover.
6.Remove the two screws fastening the launch board.
7.Then remove the launch board from the middle cover.
.
8.Remove the screw holding the keyboard.
9.Turn over the keyboard as shown.
10.Disconnect the keyboard cable.
11 .Remove the keyboard from the main unit.
12.Tear off the tapes fastening the wireless antenna cable.
13.Pull the antenna set from the main unit.
14.Disconnect the LCD cable.
15.Turn over the notebook then remove two screws fastening the LCD module. 
						

							Chapter 357
16.Remove two screws fastening the LCD hinges.
17.Then detach the LCD module from the main unit. 
						

							58Chapter 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 359
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. 
						

							60Chapter 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 361
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 
						

							62Chapter 3
Disassembling the LCD Module
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 LCD to the LCD panel.
7.Remove the LCD assembly from the LCD panel as shown.
8.Remove the two screws fastening the wireless antenna set.
9.Detach the wireless antenna set from the LCD panel on one side.
10.Detach the wireless antenna set on the other side.
11 .Remove the two screws fastening the LCD hinges.
12.Then remove the LCD hinges from the LCD panel.