Akai MPK mini MK3 Service Manual page 7

3.
DISASSEMBLE THE JOYSTICK PCB ASS'Y AND MAIN PCB ASS'Y.
(A)REMOVE 6 PCS KNOB FROM THE TOP PANEL.
(B)REMOVE 1 PC RUBBER PLUG , 1 PC SCREW AND 1 PC STICK FROM THE TOP PANEL.
(C)REMOVE 2 PCS SCREW FROM THE JOYSTICK PCB ASS'Y.
(D)REMOVE 12 PCS SCREW FROM THE TOP PANEL.
(Fig3)