Acer Aspire 5940g Service Guide
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Chapter 391 Removing the Bluetooth Module 1.See “Removing the Upper Cover” on page 63. 2. Disconnect the Bluetooth cable from the Mainboard. 3. Remove the cable from the cable channel as shown. 4. Lift the module clear of the chassis.
92Chapter 3 5.Disconnect the cable from the Bluetooth Module.
Chapter 393 Removing the Card Reader Board 1.See “Removing the Saddles” on page 87. 2. Remove the four screws securing the Card Reader Board to the Lower Cover. 3. Lift the left side of the board to disconnec t the reader interface from the Mainboard. 4. Remove the Card Reader Board from the Lower Cover. StepSizeQuantityScrew Type Card Reader Board M2.5*3 4
94Chapter 3 Removing the Hinge Wells 1.See “Removing the Subwoofer” on page 90. 2. Remove the two screws (one each side) securing the Hinge Wells to the Lower Cover. 3. Lift the Hinge Wells clear of the Lower Cover. StepSizeQuantityScrew Type Hinge Wells M2.5*3 2
Chapter 395 Removing the Mainboard 1.See “Removing the Hinge Wells” on page 94. 2. Remove the single screw securing the Mainboard to the Lower Cover. 3. Pivot the Mainboard upward and remove it from the chassis, right side first. Place the Mainboard on a clean, dust-free surface. StepSizeQuantityScrew Type Mainboard M2.5*3 1
96Chapter 3 Removing the RTC Battery IMPORTANT: Follow local regulations for disposal of all batteries. 1. See “Removing the Mainboard” on page 95. 2. The RTC Battery is soldered to the Mainboard. To replace the battery, solder the new battery to the connections shown.
Chapter 397 Removing the VGA/MXM Card NOTE: The following procedure outlines the removal steps for models supporting VGA Cards. The procedure for MXM Cards requires the removal of two screws, though the remaining steps are identical. 1. See “Removing the Mainboard” on page 95. 2. Remove the single screw securing the VGA Card to the Mainboard. NOTE: MXM cards are secured with and additional scr ew as indicated by the green callout. 3. Remove the VGA Card from the Mainboard connector. StepSizeQuantityScrew Type VGA/MXM M2.5*3 1 or 2
98Chapter 3 Removing the Thermal Module 1.See “Removing the Mainboard” on page 95. 2. Disconnect the fan cable from the Mainboard. 3. Remove the single screw securing the Fan to the Mainboard (green callout). 4. Remove the four securing screws (i n reverse numerical order from screw 4 to screw 1) from the Thermal Module (red callout). StepSizeQuantityScrew Type Thermal Module CPU_SCREW_SPRIN 5 1 2 3 4
Chapter 399 5.Using both hands, lift the Thermal Module clear of the Mainboard.
100Chapter 3 Removing the CPU 1.See “Removing the Thermal Module” on page 98. 2. Turn the securing screw 180° to release the CPU from the socket. 3. Remove the CPU from the socket as shown. IMPORTANT: The pins on the underside of the CPU are very delicate. If they are damaged, the CPU may malfunction. Place the CPU on a clean, dry surface when it is not installed.