Quote:
Originally Posted by Electronic M
I recall the 1st IF and AGC voltages were badly negative. I believe the grid voltages on the 2nd and 3rd IF were too negative on mine as well. IIRC I remember looking over the circuit and concluding the the plate current in the 1st IF biased the 2nd stage and cascades the same way to the 3rd.
Granted it has probably been more than 4 years since I dealt with that issue.
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Are you saying though, that just cleaning the AGC pot fixed this condition?