[Ron Ramirez]

Have you tested the continuity of the audio output transformer? Ditto the power transformer?

One should not just replace major parts unless you know that they are bad. The same goes for tubes - tubes are often still good; just buying an extra set without testing them first merely depletes the supply available to others.

I've seen audio transformers that looked bad by appearance alone, but still worked fine; same goes for power transformers.

Moral: Do not guess - always test.