Acer Travelmate 620 Service Guide

							Chapter 353
5.Remove the keyboard.
Removing the LCD Module
1.See “Removing the Middle Cover” on page 52
2.See “Removing the Keyboard” on page 52
3.Remove the two screws as shown.
4.Disconnect the LED/inverter cable and the LCD coaxial cable from the main board.
5.Release the two screws on the main unit and the 4 screws as shown.
6.Lift up the LCD module carefully. 
						

							54Chapter 3
Removing the TouchPad Module
1.
Snap off the touchpad frame from the upper case carefully.
2.
Remove the touchpad button and the scroll key from the upper case.
3.
Disconnect the cable from the touchpad board.
4.
Remove the touchpad board from the upper case.
Removing the CPU
1.
See “Removing the Middle Cover” on page 52
2.
See “Removing the Keyboard” on page 52  
3.
Slide the heat sink plate this way, and remove the heat sink plate.
4.
Release the 4 screws on the CPU fan sink.  
5.
Disconnect the CPU fan sink cable. 
						

							Chapter 355
6.Remove the CPU fan sink.
7.Loose up the CPU secure knot.  
8.Remove the CPU.
Removing the RTC
1.See “Removing the Middle Cover” on page 52
2.See “Removing the Keyboard” on page 52
3.Disconnect the RTC connector from the mainboard. 
						

							56Chapter 3
4.Remove the RTC battery.
Separating the Lower Case from the Upper Case
1.See “Removing the Middle Cover” on page 52
2.See “Removing the Keyboard” on page 52
3.Disconnect the touchpad cable from the main board.
4.Disconnect the cover switch cable and the microphone cable from the main board.
5.Release the six screws from the bottom of the main unit as shown below. 
						

							Chapter 357
6.Remove the upper case from the main unit gently. 
Removing the System Board
1.See “Removing the Middle Cover” on page 52
2.See “Removing the Keyboard” on page 52
3.See “Removing the CPU” on page 54
4.See “Separating the Lower Case from the Upper Case” on page 56
5.Remove the 2 screws on the main board as shown below.
6.Remove the main board from the lower case with caution.
Removing the PCMCIA Socket
1.See “Removing the Middle Cover” on page 52
2.See “Removing the Keyboard” on page 52
3.See “Removing the CPU” on page 54
4.See “Separating the Lower Case from the Upper Case” on page 56
5.See “Removing the System Board” on page 57
6.From the back of the main board, release the two screws as shown below.
7.Remove the PCMCIA cable from the main board. 
						

							58Chapter 3
8.Detach the PCMCIA socket from the main board.
Removing the Modem Power Cable
1.See “Removing the Middle Cover” on page 52
2.See “Removing the Keyboard” on page 52
3.See “Removing the CPU” on page 54
4.See “Separating the Lower Case from the Upper Case” on page 56
5.See “Removing the System Board” on page 57
6.Remove the tapes on the modem cable 
7.Disconnect the modem power cable from the main board and remove the cable. 
						

							Chapter 359
Disassembling the LCD Module
Removing the LCD Bezel
1.
See “Removing the Middle Cover” on page 52
2.
See “Removing the Keyboard” on page 52
3.
See “Removing the LCD Module” on page 53
4.
Remove the 4 screw caps from the LCD module.  
5.
Remove the 4 screws from the LCD module.
6.
Remove the video capture kit covers from both sides of the LCD module.
7.
Snap the LCD bezel off carefully.
Removing the Inverter Board
1.
See “Removing the Middle Cover” on page 52
2.
See “Removing the Keyboard” on page 52
3.
See “Removing the LCD Module” on page 53
4.
See “Removing the LCD Bezel” on page 59
5.
Remove the 2 screws from the inverter board.
6.
Disconnect the LCD power cable and remove the inverter board from the LCD panel. 
						

							60Chapter 3
7.Disconnect the inverter cable from the inverter.
Removing the LCD Bracket
1.See “Removing the Middle Cover” on page 52
2.See “Removing the Keyboard” on page 52
3.See “Removing the LCD Module” on page 53
4.See “Removing the LCD Bezel” on page 59
5.Release the 4 screws as shown below.
6.Take out the LCD panel from the LCD module carefully.
7.Release these 6 screws from both sides of the LCD panel. 
						

							Chapter 361
8.Remove the left and right LCD brackets. 
						

							62Chapter 3