You will need to pull off the knobs covering the shafts of 7 pots. Then remove the retaining nuts that fasten these pots to the faceplate.

Now remove the retaining nuts on the head phones jack and input jack

Now remove the screw fastening the Aux In RCA jacks

Modification: You may also need to remove two screws on the bottom of the mounting bracket that attach the heat sink (a metal rectangular piece attached to the pc board)