Acer Aspire 5740 Service Guide

Chapter 363
14.Remove the USB board module from the lower case.   
Removing the Modem Module
1.See “Removing the Battery Pack” on page 36.
2.See “Removing the SD Dummy Card” on page 37.
3.See “Removing the DIMM Module” on page 38.
4.See “Removing the Back Cover” on page 39.
5.See “Removing the Hard Disk Drive Module” on page 40.
6.See “Removing the WLAN Modules” on page 43.
7.See “Removing the Optical Drive Module” on page 44.
8.See “Removing the Middle Cover” on page 47.
9.See “Removing the Keyboard” on...

64Chapter 3
15. Remove the one screws (F) securing the modem board module to the lower case.  
16.Release the modem board module from the latch and remove it from the lower case.
Removing the Bluetooth Module
1.See “Removing the Battery Pack” on page 36.
2.See “Removing the SD Dummy Card” on page 37.
3.See “Removing the DIMM Module” on page 38.
4.See “Removing the Back Cover” on page 39.
5.See “Removing the Hard Disk Drive Module” on page 40.
6.See “Removing the WLAN Modules” on page 43.
7.See “Removing...

Chapter 365
11 .See “Separating the Upper Case from the Lower Case” on page 53.
12.See “Removing the Left Speaker Module” on page 60.
13.See “Removing the USB Board Module” on page 61.
14.See “Removing the Modem Module” on page 63.
15.Disconnect the bluetooth cable from its connector on the main board.
16.Remove the Bluetooth module. 
NOTE: Be careful when removing the Bluetooth module as it is glued in place.  

66Chapter 3
Removing the Right Speaker Module
1.See “Removing the Battery Pack” on page 36.
2.See “Removing the SD Dummy Card” on page 37.
3.See “Removing the DIMM Module” on page 38.
4.See “Removing the Back Cover” on page 39.
5.See “Removing the Hard Disk Drive Module” on page 40.
6.See “Remove the two screws (D) securing the hard disk to the bracket and remove the hard disk from the 
bracket.” on page 42.
7.See “Removing the Optical Drive Module” on page 44.
8.See “Removing the Middle Cover” on page...

Chapter 367
17.Disconnect the speaker cable from its connector on the main board.
18.Remove the one screw (E) securing the speaker module and remove it from the lower case.
Size (Quantity)ColorTo r q u ePart No.
M2 x L4 (1) Black 1.6 kgf-cm 86.00E13.524 

68Chapter 3
19.Detach the right speaker module.
Removing the Main Board
1.See “Removing the Battery Pack” on page 36.
2.See “Removing the SD Dummy Card” on page 37.
3.See “Removing the DIMM Module” on page 38.
4.See “Removing the Back Cover” on page 39.
5.See “Removing the Hard Disk Drive Module” on page 40.
6.See “Removing the WLAN Modules” on page 43.
7.See “Removing the Optical Drive Module” on page 44.
8.See “Removing the Middle Cover” on page 47.
9.See “Removing the Keyboard” on page 49.
10.See...

Chapter 369
17.Remove one screw (F) securing the main board in place.    
 Note: RTC battery has been highlighted with the yellow circle as shown in the figure above.  Please 
detach the RTC battery and follow local regulations for disposal.
Note: Circuit boards >10 cm² has been highlighted with the yellow rectangle as above image shows. 
Please detach the Circuit boards and follow local regulations for disposal.
18.Lift the main board gently from the lower case.
Size (Quantity)ColorTo r q u ePart No.
M2...

70Chapter 3
19.Carefully remove the main board.
Removing the Heatsink Module
NOTE: There are two version of heatsink module. For this section, we are going to use the discrete model. 
The UMA version looks like the picture below:
1.See “Removing the Battery Pack” on page 36.
2.See “Removing the SD Dummy Card” on page 37.
3.See “Removing the DIMM Module” on page 38.
4.See “Removing the Back Cover” on page 39.
5.See “Removing the Hard Disk Drive Module” on page 40.
6.See “Removing the WLAN Modules” on page...

Chapter 371
17.See “Removing the Main Board” on page 68.
18.Disconnect the heatsink connector from the main board. 
19.Remove the seven screws securing the heatsink module in the order shown.
NOTE:  The Discrete system may be shipped with AMD PARK_XT or AMD MADISON_PRO. 

72Chapter 3
20.Carefully lift up the heatsink module. 
Removing the CPU 
1.See “Removing the Battery Pack” on page 36.
2.See “Removing the SD Dummy Card” on page 37.
3.See “Removing the DIMM Module” on page 38.
4.See “Removing the Back Cover” on page 39.
5.See “Removing the Hard Disk Drive Module” on page 40.
6.See “Removing the WLAN Modules” on page 43.
7.See “Removing the Optical Drive Module” on page 44.
8.See “Removing the Middle Cover” on page 47.
9.See “Removing the Keyboard” on page 49.
10.See...