Remove the dials using either a metal spudger or your hands. Be careful as the dials may be difficult to remove.
Locate the two 11/32 inch nuts underneath the dials.
Use an 11/32 inch socket wrench or tweezers to unscrew and remove the nuts and washers.
Using a larger metal spudger, remove the rubber back of the mixamp.
The back will have glue residue after removal. Depending on the stickiness of the residue, more glue may be needed to stick the backing back on.
Locate the one 4.5 mm Philips #0 screw on the back panel of the mixamp.
Remove the screw using a Phillips #0 head screwdriver.
Using a large metal spudger, detach all plastic clips holding the bottom and top casings together.
Remove the input casing using your fingers.
Be careful when releasing the clips between the two casings, as it is very easy to scratch the mixamp or break the clips.
Use caution when pulling the two casings apart as it is very easy to pinch your fingers between them.
Locate the four 5.8 mm Philips #0 screws on the motherboard.
Remove them using a Phillips #0 head screwdriver.
Remove the motherboard from the casing.