E: Use a Phillips to remove four screws which secure the PCB. Then the main PCB can be
removed.
F: Remove all the connecters which connected to blue tooth PCB. (As pictured below)
G: Use a Phillips to remove three screws which secure blue tooth PCB. Then blue tooth PCB
can be detached.
All the connecters have been disconnected.
Bluetooth PCB has been detached.
Locate the screws.
Locate the screws.
Power PCB has been
detached.