Alesis MultiMix8FX XA1 Service Manual page 8

3.REMOVAL OF POWER P.C.B (Fig.3)
(A) REMOVE THE 2 PCS SCREWS FROM THE POWER P.C.B
(B)
REMOVE THE 2 PCS SCREWS FROM THE BRACKET
(C)
REMOVE THE 3 PC OF CABLE CONNECTOR FROM THE POWER P.C.B
Fig.3