Quote:
Originally Posted by xpander
You seem to have done a great job cleaning it up. Apart from minor wear, looks like new. I'll follow what happens with it, let's hope no magic smoke escapes and it works. Did you do any recapping, any internal pics?
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I haven't taken any internal pics yet and haven't started the measurement process for initial obvious faults before power up yet either. I'll be doing that over the coming week.
I'll run my ESR meter over the caps and check them out. Chances are they will actually be OK. If not, it's a relatively easy job to recap things.
The most likely source of problems would probably be the bias trimpots if anything given this has been outside in the rain. Even then though, Yamaha built these things very robustly and I wouldn't be surprised if it works as is.
I will be taking internal pics and posting my findings as things progress though. This amp has one SERIOUS torroidal power supply transformer which takes up a fair chunk of the real estate inside.