This guide will demonstrate proper removal of the D-Pad. This is necessary in order to clean or replace it.
Place the controller (buttons down) on a solid surface.
Remove the six 9.2mm Tri-wing Y0 screws that hold the back panel in place.
Gently lift the back panel up, separating it from the front panel.
Grab the Z-button by the peg with tweezers and lift it out of the controller.
Carefully unhook the cable that is looped around the peg.
Lift the circuit board out of the controller.
Remove the rubber backing with tweezers.
Use tweezers to grab the center peg of the directional pad and lift it out of its socket.