Get it fixed by a pro.
Probable causes are very limited and mostly component related....bad caps or tubes.
Does unit emit any smell? You know, that here-we-go, the electrons are out, kind of smell?
And FWIW, that's one reason for ME to avoid tubes.....I simply don't want to mess with it and end up owning a tube tester, scope, signal generator and a couple DVMs.
Probable causes are very limited and mostly component related....bad caps or tubes.
Does unit emit any smell? You know, that here-we-go, the electrons are out, kind of smell?
And FWIW, that's one reason for ME to avoid tubes.....I simply don't want to mess with it and end up owning a tube tester, scope, signal generator and a couple DVMs.