Acer Aspire 7720g Service Guide

							Chapter 355
Disassembly Procedure Flowchart
The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence 
and instructs you on the components that need to be removed during servicing. For example, if you want to 
remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in 
that order.
Start
Thermal
DoorHDD Door
LCD Module
Middle Cover
HDD Bracket
Keyboard
Battery Pack
F*2 D*5
F*1
B*4
C*2 LCD hinges to logic
D*2 LCD hinges to logic
C*2 on bottom side
C*8 upper case assembly to lower case assembly on bottom side
C*2 upper case assembly to lower case assembly on upper side
Lower Case
Assembly
Modem
BoardSwitch Board
(for AS
models)
Upper Case
Assembly
Main Board
H*4
Speaker Set
ODD Module
Thermal
Module
Lower Case
F*2 F*1
F*2F*1
System FanMemory
CPU
B*1
D*1
HDD
F*1
F*2
Media Board
(for AS
models)Touchpad
Bracket
F*1
TouchpadTouchpad
FFC
Mimi Cover
F*1 
						

							56Chapter 3
Screw List
ItemDescriptionPart Number
A SCREW M2.5*3(NL) 86.TAVV5.001
B SCREW M2.5*6(NL) 86.TAVV5.002
C SCREW M2.5*10(NL) 86.TAVV5.003
D SCREW M2.5*15(NL) 86.TAVV5.004
E SCREW M2*2.2 86.TAVV5.005
F SCREW M2*3(NL) 86.TAVV5.006
G SCREW M2*4 86.TAVV5.007
H SCREW M3*4(NL) 86.TAVV5.008
I SCREW D-SUB 4#X40* 1/5-NI (NL) 86.TAVV5.009
LCD Module
LCD Inverter
LCD Panel
Wireless
Antenna Set
LCD Bezel
G*1 for 15
G*2 for 15.4 B*4
B*2
G*2 for 15.4
F*8 (4 on left; 4 on right)
LCD
Assembly
LCD CableLCD Bracket
Sets
LCD 
						

							Chapter 357
Removing the Battery Pack
1.Unlock the battery lock (move the battery lock to the unlock position as shown).
2.Slide the battery release latch then remove the battery.
  
						

							58Chapter 3
Removing the HDD Module/Memory/Wireless LAN Card/Modem Card/
TV Tuner Card/System Fan/Thermal Modules/VGA Board/CPU/
Keyboard and the LCD Module 
Removing the HDD Module
1.Remove the two screws fastening the HDD cover.
2.Detach the HDD cover from the main unit.
3.Remove the screw fastening the HDD module.
4.Pull the tab to remove the HDD module in the direction of the arrow.
Removing the Memory
1.Remove the four screws holding the thermal cover.
2.Detach the thermal cover from the main unit.
3.Pop out the memory from the DIMM socket then remove it (If the notebook has two memory, then repeat 
this step).  
						

							Chapter 359
Removing the Wireless LAN Card/Modem Card and TV Tuner Card
1.Disconnect the three antennae from the wireless LAN card.
2.Remove the two screws fastening the wireless LAN card.
3.Then take out the wireless LAN card from the main unit. 
4.Remove the screw fastening the modem card and detach the modem card from the main board.
5.Disconnect the RJ-11 cable and remove the modem card.
6.Disconnect the RF cable from the TV tuner card.
7.Remove the two screws fastening the TV tuner card.
8.Then take out the TV tuner card from the main unit. 
NOTE: TV tuner card on selected models only. 
						

							60Chapter 3
Removing the System Fan/Thermal Modules/VGA Board and CPU
1.Disconnect the fan cable from the main board.
2.Remove the three screws holding the system fan.
3.Remove the four spring screws holding the CPU thermal module.
4.Then detach the CPU thermal module as shown.
5.Remove the four spring screws holding the VGA thermal module.
6.Then detach the VGA thermal module as shown.
7.Remove the two screws fastening the VGA board then remove it.
8.Use a flat screwdriver to release the CPU lock (Turn counter clock-wire).
9.Remove the CPU from the CPU socket carefully.
NOTE: VGA thermal module and VGA board on selected models only. 
						

							Chapter 361
Removing the Keyboard and LCD Module
1.Turn the notebook over.
2.Remove the two screws from inside the battery compartment and the two screws fastening the LCD 
module.
3.Detach the strip cover from the front side and remove it.
4.Gently pull up the keyboard to release it from the four snaps as shown.
5.Turn over the keyboard as the image shows. Then disconnect the keyboard cable from the main board.
6.Remove the keyboard from the main unit.
 
7.Disconnect the LCD cable and microphone cable from the main board. Then pull out the wireless LAN 
antennas free from the main unit as shown.
8.Remove the four screws securing the hinges. 
						

							62Chapter 3
9.Detach the LCD module from the main unit. 
						

							Chapter 363
Disassembling the Main Unit
Separate the Main Unit Into the Upper and the Lower Case Assembly
1.Remove the screw fastening the ODD from the bottom of the notebook.
2.Push the ODD module outwards and gently pull it out as shown.
3.Press and release the PC dummy card from the PC slot as shown.
4.Then press the release the memory dummy card from the 5-in-1 card reader slot as shown.
5.Remove the nine screws fastening the upper case and the lower case assembly on the bottom.
6.Remove the eight screws fastening the upper case assembly and the lower case assembly on the front 
side. 
						

							64Chapter 3
7.Disconnect the touchpad FFC, speaker cables, button board FFC, and LED board FFC from the main 
board.
8.Carefully detach the upper case assembly from the lower case assembly.
Disassembling the Lower Case Assembly
1.Disconnect the USB cable from the main board.
2.Remove the screw fastening the USB board and take out the board and its cable from the lower case.
3.Then detach the USB cable from the USB board.
4.Disconnect the Bluetooth cable from the main board.
5.Take out the Bluetooth module and its cable from the lower case as shown.
6.Then detach the Bluetooth cable from the Bluetooth module.
7.Pull the RF cable through the opening in the lower case as shown.
8.Remove the screw holding the RF board to the lower case.
9.Take out the RF board from the lower case, then detach the RF cable from the RF board as shown.
10.Remove the RJ-11 jack from the lower case.