Disassembling The Lower Case Assembly - Acer Aspire 7520 Service Manual

7. Disconnect the touchpad FFC, speaker cables, button board FFC, and LED board FFC from the main
board.
8. Carefully detach the upper case assembly from the lower case assembly.

Disassembling the Lower Case Assembly

1. Disconnect the USB cable from the main board.
2. Remove the screw fastening the USB board and take out the board and its cable from the lower case.
3. Then detach the USB cable from the USB board.
4. Disconnect the Bluetooth cable from the main board.
5. Take out the Bluetooth module and its cable from the lower case as shown.
6. Then detach the Bluetooth cable from the Bluetooth module.
7. Pull the RF cable through the opening in the lower case as shown.
8. Remove the screw holding the RF board to the lower case.
9. Take out the RF board from the lower case, then detach the RF cable from the RF board as shown.
10. Remove the RJ-11 jack from the lower case.
64 Chapter 3