Remove circuit board and circuit board
There is no fixed screw on the 3 layer circuit film, which can be directly removed, which is fixed by the round hole on the film.
, each layer of film if there is debris into, it will cause the key failure, so the 3 circuit film is also our clean object.?
Remove the rear cover of the keyboard to see the soft circuit film. The structure of the circuit film is 3 layers
