The problem turned out to be a broken interlock micro-switch on the RF
deck. Bypassed the switch
(and labelled the case that it was bypassed) and all is ok now until I
get a replacement switch.
But after all that the amp will not key. I have received some info
from K9YC on the keying
circuit and will follow up on more troubleshooting.
Thanks to everyone that provided guidance on the amp. I certainly do
understand it better now!
73
Ken VA3KA
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