Don,
You were spot on. The SWR Bridge diodes D16 and D17 had failed. The
diodes arrived today in the mail, I replaced them and my K2 is up.
Thank you very much for your help.
73,
Ed - AD7GR
K2 #6050
Don Wilhelm wrote:
Lack of power control with the KPA100 installed normally points to a
failure of the KPA100 wattmeter circuit.
Start with replacing the 1N5711 diodes D16 and D17...
If your KPA100 was working at one time and there is *any* possibility
that you encountered a lightning surge, then D16 and D17 are the most
likely suspects.
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