Piece of cake. Nothing to desolder. The IEC plug and cover is kept in place with 2 screws. There is a connector and a ground wire. I just removed the IEC plug and kept the power supply in the SU-1. But if you remove the entire power board then there is nothing to disconnect. The board is held in place by 4 screws accessed from the bottom of the SU-1. 5 min job tops.