Acer Aspire 5739 Service Guide

Chapter 371
6.Disconnect the LCD cables from the Mainboard and remove the cable from the cable channel as shown.
7.Remove the two securing screws from the left LCD hinge.
StepSizeQuantityScrew Type
LCD Module M2.5*5 2 

72Chapter 3
8.Remove the two securing screws from the right LCD hinge.
9.Carefully remove the LCD Module from the chassis.
Removing the Upper Base
1.See “Removing the LCD Module” on page 68.
StepSizeQuantityScrew Type
LCD Module M2.5*5 2 

Chapter 373
2.Turn the computer over. Remove the nine screws on the bottom panel.
 
3.Turn the computer over. Remove the 13 securing screws on the top panel.
 
StepSizeQuantityScrew Type
Upper Cover M2.5*6 9
StepSizeQuantityScrew Type
Upper Cover
(red callout)M2.5*6 13 

74Chapter 3
4.Turn the computer over and disconnect the four cables from the mainboard.
Unlock the connector and disconnect A as shown. Unlock the connector and disconnect B as shown.
Unlock the connector and disconnect C as shown.
 Unlock the connector and disconnect D as shown.
B
DA
C 

Chapter 375
WARNING:Care must be taken when removing the Upper Base from the Lower Base to prevent damage or 
stress to the surface.
5.Ease the lower casing outward to clear the securing clips and pry apart the upper left side as shown, and lift the 
rear edge of the Upper Base upward.
6.Ease the lower casing outward to clear the securing clips and pry apart the right side as shown. Lift the rear 
edge of the Upper Base upward.
7.Completely remove the Upper Base from the Lower Base.
Removing the Finger...

76Chapter 3
2.Lift the FFC locking latch, as shown, to disengage the cable and disconnect the main board FFC.
3.Open the FFC locking latch as shown and remove the FFC.
4.Remove the three securing screws on the bracket.
StepSizeQuantityScrew Type
Finger Print 
ReaderM2*3 1 

Chapter 377
5.Pull the fingerprint reader out from under the securing brackets as shown.
Removing the Multifunction Board
1.See “Removing the Upper Base” on page 72.
2.Open the FFC locking latch and remove the FFC from the Mainboard. 

78Chapter 3
3.Remove the single securing screw from the Multifunction board.
4.Lift the Multifunction Board clear of the casing.
Removing the Modem Module
1.Remove the Upper Base. See “Removing the Upper Base” on page 72.
StepSizeQuantityScrew Type
Multifunction 
BoardM2.5*3 1 

Chapter 379
2.Remove the two screws securing the Modem to the Mainboard.
3.Lift the Modem Module clear of the Mainboard as shown.
IMPORTANT:The back of the modem board is plugged into the mainboard. Be sure to lift straight up - do not 
twist the board or damage may result.
4.Turn the module over and disconnect the Modem cable. Remove the module from the casing.
StepSizeQuantityScrew Type
Modem Module M2*3 2 

80Chapter 3
Removing the Bluetooth Module
1.See “Removing the Upper Base” on page 72.
2.Grasp the cable as shown and pull to disconnect from the Bluetooth module.
3.Lift the bluetooth board from the adhesive securing it to the Lower Cover.
Removing the Mainboard
1.See “Removing the Upper Base” on page 72.
2.Disconnect the FFC connecting to the Multifunction board.
3.See “Removing the Modem Module” on page 78.