Ivan, did you do the voltage and resistance measurements I recommended in my response to your first note? Please do those and report the results so the group can help you with any next steps. 73 ...Ro

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Ivan, as a start, I think you should use your DVM and make sure all is well with the installation. So. with the unit OFF, use the ohm meter and look for continuity from pin 1 of IC10 to the "AF Out" p

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Thank you, Rob That is useful information. I appreciate you sharing your experience. I've certainly learned more than I expected to building this kit :-) Jon W8REA

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I installed an AGC in my Rev 2 40m QCX mini last night and had the same short causing dit transmission. In my case it was a short between LCD_D6 and the plated screw hole. I also noticed that in Rev 1

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