I just purchased a Yamaha CR-400, as-is, that does not turn on. There wasn't a fuse in the back, so I installed a 2.0 amp fuse. The three internal fuses are good. First let me say that I'm not an electrician or a tech, and don't know all of the correct names and terms, but I have figured things out before. So, I guess that I'm a techs worst nightmare. Anyway, I'm guessing that the power supply, part # GA60604, is bad. Current is flowing to the transformer, but I'm not getting any power from it. Using a little AAA battery continuous tester shows that the power switch is good. Any ideas what else I should check or where I can buy a new power transformer? Or what power transformer from another Yamaha CR receiver would work in it's place? Whoever worked on this before is worse at soldering them I am.