This photo shows the PCB screw at the other front corner of the 01/W's main circuit board.

Take out this screw and also unplug the 3 miniature connectors seen to the right.

The 3rd and final PCB screw is in the middle of the board's front edge.

Each of the 3 screws holds down a wire cable tie.

Finally, on the 01/W's rear panel, there are 6 black mounting screws you must remove.

Two self-tapping screws attach to the MIDI jacks.

Four machine screws attach to the Printed Circuit Board Assembly (3 are seen here).

Now the main PCBA can be removed from the 01/W.