What tools do I use? https://youtu.be/MLK649c1_fM
Perform all work at your own risk. I am not responsible for any injury or damage.
In this video I tackle the P800 board on the 2250B! All Marantz receivers of this generation have a "P800" board and they're all fairly similar. This video pertains to the 2250B specifically, but could be used as a broad guide on how to restore another model's power supply board.
Link to parts used in this video: https://docs.google.com/spreadsheets/d/1ovp8J9FveWPQgCoApCHZwzGRlaB0zDSXrsbPpM1ZPtk/edit?usp=sharing