Akai MPK225 Service Manual page 3

3.DISASSEMBLE THE TOP RIGHT FRONT PCB ASS'Y.(Fig.3)
(A) REMOVE 9 KNOBS.
(B) REMOVE 8 NUTS AND 8 WASHERS.
(C) REMOVE 8 SCREWS FROM THE TOP RIGHT FRONT PCB ASS'Y.
4.DISASSEMBLE THE SWITCH PCB ASS'Y.(Fig.4)
(A) REMOVE 3 SCREWS FROM THE TOP LEFT FRONT PCB ASS'Y
(Fig.3)
(Fig.4)