Chapter 3 67
7. Disconnect the touchpad FFC, left speaker cable, 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. Remove the two screws fastening the audio board to the lower case.
2. Detach the audio board cable from the main board.
3. Remove the audio board from the main unit.
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.