hifi engine

Service Manual Sony AV-Amplifier TA-AV480

Would be much gratefull if you could help me on the Service manual of a AV-Amplifier Sony TA-AV480.

Voltages seem ok, relais active, but no sound at all.

Just uploaded Service Manual

Just uploaded Service Manual (ca. 7 Mb).
Good luck and sorry for delay

We just recently acquired

We just recently acquired this same amp and have the same problem. Did you get anything figured out for it? From what I understand, ours was originally bought in Germany making it hard to come up with any solutions.