Acer Aspire 5739 Service Guide

							Chapter 3101
The following thermal compounds are approved for use:
•  Eapus XR-PE
1.Remove all traces of thermal grease  or pad adhesive from the Thermal Module using a lint-free cloth or cotton 
swab and Isopropyl Alcohol, Acetone, or other approved cleaning agent. 
2.Apply a small amount of thermal grease or the supplied thermal pad to the centre of the heat sink. There is no 
need to spread grease manually, the force used during the installation of the Thermal Module is sufficient.
3.Place the CPU into the socket. Take note of the Pin 1 locator in the image below.
4.Turn the CPU socket latch 180 degrees clockwise to the Lock position.
Replacing the Thermal Module
IMPORTANT:Ensure all thermal pads are in place before replacing the Thermal Module.
The following thermal pads are approved for use:
• Silmore GP50
• Honeywell
• Jet Motor 7762
The following thermal compounds are approved for use:
•  Eapus XR-PE
1.Remove all traces of thermal grease  or pad adhesive from the Graphics Card and CPU using a lint-free cloth 
or cotton swab and Isopropyl Alcohol, Acetone, or other approved cleaning agent.  
						

							102Chapter 3
2.Apply a small amount of thermal grease or the supplied thermal pad to the center of the heat sink  and the 
indicated locations for the Graphics card.  If using Thermal Grease, there is no need to spread it manually, the 
force used during the installation of the Thermal Module is sufficient
WARNING:To prevent damage to the Thermal Module or the CPU, place the Thermal Module onto the 
mainboard with both hands.
3.Hold the module on both sides and place it onto the Mainboard. 
4.Replace the four screws to secure the Thermal Module to the mainboard.
StepSizeQuantityScrew Type
CPU Thermal 
ModuleM2.5*3 4 
						

							Chapter 3103
5.Fasten the three captive screws to the Thermal Module CPU heat sink in numerical order, from 1 to 3.
6.Connect the fan cable to the mainboard.
Replacing the Mainboard
1.Lift the mainboard right side first to remove from the base.
1
23 
						

							104Chapter 3
2.Replace the single securing screw.
3.Grasp the RJ-11 cable and insert it into the Mainboard as shown.
4.Connect the Speaker wires.
StepSizeQuantityScrew Type
Mainboard M2.5*3 1 
						

							Chapter 3105
5.Connect the cable to the Bluetooth board.
6.Connect the FFC connecting to the Multifunction board.
Replacing the Bluetooth Board
1.Place the bluetooth board onto the adhesive to secure it to the Lower Cover. Take care to align the mounting 
pin. 
						

							106Chapter 3
2.Connect the cable to the Bluetooth module. 
						

							Chapter 3107
Replacing the Modem Module 
1.Connect the modem cable as shown.2.Replace the Modem Module on the Mainboard.
3.Align the screw sockets and replace the two screws.
StepSizeQuantityScrew Type
Modem Module M2*3 2 
						

							108Chapter 3
Replacing the Multifunction Board
1.Insert the Multifunction Board into the casing, 
ensuring that the USB Port is accessible through 
the case.2.Run the cable along the casing and insert it into the 
FFC connector.
3.Lock the connector and press down on the FFC 
cable to secure it on the casing.4.Ensure the locating pins is correctly seated and 
replace the single securing screw.
Locating Pin 
						

							Chapter 3109
Replacing the Finger Print Reader
Replacing the Upper Cover
WARNING:Care must be taken when replacing the Upper Cover to prevent damage or stress to the surface.
5.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. 1.Replace the Finger Print Reader in the Upper 
Cover, making sure the tabs align with the slots in 
the upper cover.2.Replace the three securing screws
3.Replace the Touchpad FFC.4.Replace the Mainboard FFC. 
						

							11 0Chapter 3
6.Starting with the sides, press down all around the perimeter of the cover to secure it in place.