Pioneer Spec 4 Recap

You know
Did you replace the bias pots? If not, I'm wondering if a dead spot on the 40 year old pot caused release of the magic smoke...
it may well have been. I never got any indication from the DBT that anything was wrong however I did decide to move the relay into the upper position as EchoWars suggested. After bringing it up I never had another problem with the big bad wolf. I did start another thread but it was about the relay only.
 
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