Acer Aspire 8940 Service Guide
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Chapter 3151 3.Insert the Subwoofer cable into the cable channel. Ensure that the cable passes under all cable clips.
152Chapter 3 Removing the TV Tuner Antenna 1.Insert the TV Tuner Antenna into the Lower Cover, making sure the cable passes through the slot in the wall of the well. 2.Push the Antenna cable through the casing as shown. 3.Remove the Antenna cable from the cable channel as shown. Ensure that the cable is free from all cable clips.
Chapter 3153 Removing the Kensington Lock Bracket 1.Insert the bracket into the Lower Cover. NOTE: The TV Tuner Antenna located under the bracket may lift away with the bracket. 2.Insert the single screw to secure the Kensington Lock Bracket into the Lower Cover. Replacing the Mainboard StepSizeQuantityScrew Type Kensington Lock BracketM2*3 1
154Chapter 3 Removing the Mainboard 1.Pivot the Mainboard upward and remove it from the chassis, right side first. Place the Mainboard on a clean, dust-free surface. 2.Connect the Speaker and Subwoofer cables to the Mainboard.
Chapter 3155 3.Insert the three screws to secure the Mainboard to the Lower Cover. Replacing the Power Saving Board 1.Insert the board into the chassis as shown. StepSizeQuantityScrew Type Mainboard M2.5*4 3
156Chapter 3 2.Insert the single securing screw into the board. Replacing the USB Board IMPORTANT: The USB FFC is supplied as part of the Lower Cover. If the USB FFC is defective, replace the entire Lower Cover. 1.Insert the USB Board into the Lower Cover as shown. StepSizeQuantityScrew Type Power Saving BoardM2.5*4 1
Chapter 3157 2.Replace the indicated screw to secure the USB Board to the Lower Cover. 3.Connect the FFC to the USB Board and close the locking latch on the USB Board. 4.Connect the FFC to the Mainboard and close the locking latch. StepSizeQuantityScrew Type USB Board M2.5*4 1
158Chapter 3 Replacing the Bluetooth Board 1.Insert the Bluetooth Board into the Lower Cover as shown. 2.Insert the single screw to secure the Bluetooth Board to the Lower Cover. 3.Connect the Bluetooth cable to the Bluetooth Board. StepSizeQuantityScrew Type Bluetooth Board M2*3 1
Chapter 3159 4.Connect the Bluetooth cable to the Mainboard.
160Chapter 3 Replacing the RTC Battery IMPORTANT: Follow local regulations for disposal of all batteries. 1.To replace the battery, pry the existing battery out of the Mainboard and press a replacement down firmly in to the socket.