Quoted from QuietEarp:
Thanks Vid! I wanted to call it a transformer so badly, but I was trying to figure out what it was transforming. It didn't show up in the schematics so I was really confused. Why wouldn't they put it after the power switch? So it serves no real purpose at all? Good bye power wasting transformer!
Safety first! The board under the ISO is asbestos, gloves and a respirator.
Sell it on KLOV, the guys who play with monitors will love it for their bench setup.
OR use it as a boat anchor.