Acer Aspire 1620 Service Guide

							Chapter 352
Removing the Battery
1.To remove the battery, push the battery release latch.
2.Then slide the battery out from the machine. 
						

							53Chapter 3
Removing the Memory Module
1.See “Removing the Battery” on page 52.
2.To remove the memory module from the machine, first remove the two screws holding the dimm cover.
3.Remove the dimm cover.
4.Pop up the memory.
5.Then remove the memory. 
						

							Chapter 354
Removing the Wireless LAN Board and the Modem Board
1.See “Removing the Battery” on page 52.
2.To remove the wireless LAN board, first remove the two screws holding the modem cover. 
3.Remove the modem cover from the machine.
4.Disconnect the wireless antennae. 
5.Pop out the wireless LAN board.
6.To remove the modem board, first remove the two screws fastening the modem board. 
7.Detach the modem board and disconnect the modem cable carefully, then remove the modem board.  
						

							55Chapter 3
Removing the Hard Disk D rive Module
1.See “Removing the Battery” on page 52.
2.To remove the hard disk drive, pull the hard disk dirve carefully.
3.Then take the hard disk drive out of the main unit.
Disassembling the Hard Disk D rive Module
1.See “Removing the Battery” on page 52.
2.See “Removing the Hard Disk Drive Module” on page 55.
3.Remove the two screws that fasten the HDD holder.
4.Detach the hard disk drive from the HDD holder. 
						

							Chapter 356
Removing the LCD Module
Removing the Middle Cover
1.See “Removing the Battery” on page 52.
2.To remove the middle cover, first use a plastic flat screwdriver to remove the right hinge cap.
3.Remove the screw that secures the middle cover.
4.Remove the left hinge cap.
5.Then remove the screw holding the middle cover on the other side.
6.Detach the middle cover from the machine.
7.Disconnect the launch board cable then remove the middle cover off the main unit.
.
Removing the Launch Board
1.See “Removing the Battery” on page 52. 
						

							57Chapter 3
2.See “Removing the Middle Cover” on page 56.
3.Remove the two screws and then detach the launch board from the middle cover.
Removing the LCD Module
1.See “Removing the Battery” on page 52.
2.See “Removing the Middle Cover” on page 56.
3.See “Removing the Launch Board” on page 56.
4.Remove the screw that fastens the LCD coaxial cable and disconnect the cable. Then disconnect the 
LCD inverter cable.
 
5.Remove the four screws holding the LCD hinge; two on the right and two on the left.Remove the four 
screws holding the LCD hinge; two on the right and two on the left.
 
6.Remove the two screws on the bottom; one on the right and the other on the left.
7.Then you can remove the entire LCD module from the main unit. 
						

							Chapter 358 
						

							59Chapter 3
Disassembling the LCD Module
Removing the LCD Bezel
1.See “Removing the Battery” on page 52.
2.See “Removing the Middle Cover” on page 56.
3.See “Removing the Launch Board” on page 56.
4.See “Removing the LCD Module” on page 57.
5.Use plastic tweezers to remove the four screw pads, and then remove the four screws that fasten the LCD 
bezel.
6.Snap off the bezel carefully, and then remove the LCD bezel from the LCD module.
Removing the Inverter Board (15” LCD)
1.See “Removing the Battery” on page 52.
2.See “Removing the Middle Cover” on page 56.
3.See “Removing the Launch Board” on page 56.
4.See “Removing the LCD Module” on page 57.
5.See “Removing the LCD Bezel” on page 59.
6.To remove the inverter board, first remove one screw from the inverter board.
7.Disconnect the LCD power cable then disconnect the inverter cable from the inverter board. 
						

							Chapter 360
NOTE: Please arrange the LCD inverter cable well to the LCD panel as the picture below shows when you 
reassemble the LCD module.
Removing the 15” TFT LCD
1.See “Removing the Battery” on page 52.
2.See “Removing the Middle Cover” on page 56.
3.See “Removing the Launch Board” on page 56.
4.See “Removing the LCD Module” on page 57.
5.See “Removing the LCD Bezel” on page 59.
6.See “Removing the Inverter Board (15” LCD)” on page 59.
7.To remove the LCD, first remove the four screws that secure the LCD hinges.
 
8.Then take the LCD out of the LCD panel. 
						

							61Chapter 3
Removing the LCD Brackets
1.See “Removing the Battery” on page 52.
2.See “Removing the Middle Cover” on page 56.
3.See “Removing the Launch Board” on page 56.
4.See “Removing the LCD Module” on page 57.
5.See “Removing the LCD Bezel” on page 59.
6.See “Removing the Inverter Board (15” LCD)” on page 59.
7.See “Removing the 15” TFT LCD” on page 60.
8.Remove the four screws holding the right LCD bracket.Then remove the right bracket.
9.Remove the four screws holding the left LCD bracket. Then remove the left bracket..
Removing the LCD Coaxial Cable
1.See “Removing the Battery” on page 52.
2.See “Removing the Middle Cover” on page 56.
3.See “Removing the Launch Board” on page 56.
4.See “Removing the LCD Module” on page 57.
5.See “Removing the LCD Bezel” on page 59.
6.See “Removing the Inverter Board (15” LCD)” on page 59.
7.See “Removing the 15” TFT LCD” on page 60.
8.Tear off the mylar fastening the LCD coaxial cable, then disconnect the coaxial cable.