Acer Aspire 5940g Service Guide

							Chapter 351
Removing the Lower Covers
1.See “Removing the Battery Pack” on page 48.
2. Loosen the four captive screws in the Memory/HDD and WLAN covers.
   
3. Carefully open the Memory/HDD cover. 
4. Carefully open t he WLAN cover. 
Memory/
HDD 
Cover
WLAN 
Cover 
						

							52Chapter 3
Removing the Optical Drive Module
1.See “Removing the Lower Covers” on page 51.
2. Remove the single screw securing the ODD module.
3. Insert a suitable object in to the Lower Cover to push the ODD Module clear of the casing.
4. Pull the ODD Module out of the chassis.
StepSizeQuantityScrew Type
ODD Module M2.5*5 1 
						

							Chapter 353
5.Remove the two screws securing the ODD Bracket  and remove the ODD bracket from the module.
 
6. Insert a pin in the eject hole of the ODD to eject the ODD tray.
7. Press down on the locking catch to release the ODD cover and remove.
 
StepSizeQuantityScrew Type
ODD Bracket M2*3 2 
						

							54Chapter 3
Removing the Hard Disk Drive Module 
1.See “Removing the Lower Covers” on page 51.
2. Use the pull-tab to lift the HDD and disconnect the interface. 
3. Lift the hard disk drive module out of the bay.
NOTE:  To prevent damage to device, avoid pressing down on it or placing heavy objects on top of it. 
4. Remove the vertical interface connector as shown. 
						

							Chapter 355
5.Remove the four screws (two each side)  securing the hard disk to the carrier.
6. Remove the HDD from the carrier.
StepSizeQuantityScrew Type
HDD Carrier M3*3 4 
						

							56Chapter 3
Removing the DIMM Modules
1.See “Removing the Lower Covers” on page 51.
2. Push out the release latches on both sides of the DIMM socket to release the DIMM module. 
3. Remove the DIMM module. 
4. Repeat steps for the seco nd DIMM module if present. 
						

							Chapter 357
Removing the WLAN Module
IMPORTANT: If the model purchased supports TV Tuner functi onality, remove the TV Tuner Module before 
removing the WLAN Module.
1. See “Removing the Lower Covers” on page 51.
2. Remove the two screws securing the Mini-Card Bracket and WLAN Module to the Mainboard
3. Remove the Mini-Card Bracket as shown.
StepSizeQuantityScrew Type
WLAN Module M2*3 2 
						

							58Chapter 3
4.Disconnect the antenna cables from the WLAN Module. 
IMPORTANT:  The black cable attaches to the  MAIN terminal and the white cable attaches to the  AUX terminal.
5. Detach the WLAN Module from the WLAN socket. 
NOTE:   When reattaching the antennas, ensure the cables  are tucked into the chassis to prevent damage. 
						

							Chapter 359
Main Unit Disassembly Process
Upper Cover Disassembly Flowchart
Screw List
StepScrewQuantityPart No.
Upper Cover M2.5*8 18 86.PH702.006 M2.5*5 2 86.PH702.005
M2.5*3 3 86.PH702.003
M2.5*5 1 86.PH702.005
Speaker Module M2.5*3 4 86.PH702.003
Power Saving Board M2.5*3 2 86.PH702.003
Volume Control Board M2.5*3 2 86.PH702.003
Button Board M2.5*5 2 86.PH702.005
Finger Print Reader M2*3 2 86.PH702.002
TouchPad Bracket M2.5*3 2 86.PH702.003
Rem ove
Keyboard
Rem ove
Upper Cover
Rem ove
Launch Board
Remove External Modules before
proceeding
Rem ove
TouchPad
Bracket
Upper Cover
Rem ove
Speaker ModuleRem ove
Media Board
Rem ove
Power Saving Boa r d
Rem ove
Volume Control
Boa r dRem ove
MIC BoardRem ove
Button Board
Rem ove
Finger Print Reader
Lower Cover
(see page 54) 
						

							60Chapter 3
Lower Cover Disassembly Flowchart
Screw List
StepScrewQuantityPart No.
LCD Module M2.5*5 4 86.PH702.005
Right Saddle M2.5*5 2 86.PH702.005
USB Board M2.5*3 1 86.PH702.003
Card Reader Board M2.5*3 4 86.PH702.003
Hinge Wells M2.5*3 2 86.PH702.003
Mainboard M2.5*3 1 86.PH702.003
VGA/MXM M2.5*3 1 or 2 86.PH702.003
Thermal Module CPU_SCREW_SPRIN 5
Rem ove
VGA/MXM Card
Rem ove
Mainboard
Rem ove
USB Board
Rem ove
Keyboard
Rem ove
Upper Cover
Rem ove
LCD Module
Remove External Modules before
proceeding
Rem ove
Bluetooth Module
Rem ove
Saddle
Rem ove CPU
Rem ove
RTC BatteryRem ove
Thermal Module
Rem ove
Card Reader Boa r d
Rem ove
Subwoofer
Rem ove
Hinge Wells