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Common Heat Sink on IRF510 #ubitx

KC0GKF
 

I screwed up and connected both IRF510 to the same heat sink.  I knew they would have 12v on them, but didn't realize they can't be connected together.

Anyway what should I be looking for as far as other damaged components?

I replaced both IRF510 and tried to do the bias adjustment.  It seemed to work on one of them, but the other didn't change with the pot so I am thinking there is something else wrong?  Just wondering what else I should be looking for.

Thanks for the help.