I think I'd look for power supply problems, especially bad solder
connections and bad small capacitors in the regulated power supply area. The
bias can be adjusted later, assuming it doesn't get really hot. I don't
really think it's related to the shutting down problem.


Mark Z.



"Ross Mac" wrote in message
...
Hi Folks,

I have a Pioneer SX 1250 Reciever that is giving me problems. It shuts
down
after about 30 minutes and the right heatsink seems warmer than the left.
I
have the service manual and have run a few tests but thought I might ask
around before I spend the next couple of days fighting this
one......thanks
for any help....Ross