I added a 1N4001 diode to the power supply circuit to prevent (future) problems in case a power supply is hooked up with reverse polarity. I wish I would have taken the advice of K7QO when I was building the kit! Doing so would have prevented all the problems I'm trying to resolve right now. Live and learn.
I also replaced a blown Op-Amp (thanks, Mouser). Still may need to fix a few other components as the keying stage is still not functioning properly. May have to replace the other two transistors there, I have them, but am touching base with Ten-Tec to confirm whether I should.
Can't wait to return to the air!
05 June 2010
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