09-05-2025, 06:57 AM
After listening to the radio for some time, the gain drops often; there is a subtle change in the audio, and the AVC voltage drops. Probing the B+ restores the audio quality and the AVC voltage increases. This cycle sometimes is a couple of minutes, other times hours. I suspect something is going on with one of the IF trimmers and am going to see if it will align normally.




