8-20 Structure and Assembly/Disassembly
Unscrew 2 screws locking the buzzer (M2 X 6 cross panhead screw). Unplug the connecting
cables of the buzzer from PCB board, and remove the buzzer.
5. Disassemble the trackball.
Unscrew two screws as shown in the following figure (M3 X 20 cross panhead screw). Unplug
the connecting cable of the trackball, and take out the trackball.
Connecting cable of trackball
M3 X 20 cross panhead screw (2 screws)
Connecting cable of buzzer
M2 X 6 cross panhead screw with pad (2 screws)