Well it's a switching PSU, I'd say it looks like the row of caps on the left, are the output caps, then a filter inductor, and that great big diode is for reverse protection, right on the output.
Electrolytic caps hate reverse polarity, I'd check them for sure too. And the output of the main switching transformer and output rectifier, which feeds that row of caps.
I wish I had it here, I'd try for fun, but it would nice to get paid as well.
I was testing a transformer the other day, and by mistake shorted it, and wow a 1N5408, 3A diode, was toast in 1-2 seconds, the surge current rating is like 100-200A, but not for 1-2 seconds I guess. I actually had just put a 6.3A fuse on the primary side, and it got toasted too.
So check any diodes and semiconductors around there......if it's worth your time/effort.