Don, thanks for the info. I just lifted one end of D19 from the board and
indeed it is a dead short. I powered up the K1 without the band module
installed and it powered up fine, so that indeed is the problem.
Since I am so D*n stupid, I don't think I'll use the K1 without the Zener
installed. It
I am not the builder of the K1, so I am not familiar with the circuit. I do
have the original manual however.
This morning I was testing an antenna and I think I let the SWR get too
high. Result - the K1 is now completely dead and it appears as if my 12V
supply has a dead short across it when I
Joe,
Assuming you were correct that the K1 failed due to a high SWR on the
antenna, then the most likely component to fail is diode D19.
Try lifting one end of D19 and operate the K1 into a dummy load to see
if it still works OK. If so, replace the zener diode.
That diode is there
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