I just finished replacing the open frame relay in my old AL-1200 with the
Ameritron relay PCB mod. Put it all back together, seemed to work fine,
tuning on 40m. Moved to 160m, had the Amp in Standby while I set the output
power on the exciter. Heard a loud Pop - exciter power only.
I turned the Amp off for awhile, then tried it again. It still works fine.
I opened it up looking for a visibly bad component, none found.
Any ideas what this might have caused a Pop in Standby? Should I worry?
Dana
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