[Elecraft] KX-1 output problem

I recently finished my KX-1 and installed the ATU board only to find that my ouput is only about 0.9 watts on 40 and 0.2 on 20. When I finished the basic KX-1, I put it on an uncalibrated QRP wattmeter and it read about 2 watts, so I thought I was in the ballpark. Now, assuming that my

Re: [Elecraft] KX-1 output problem

I recently finished my KX-1 and installed the ATU board only to find that my ouput is only about 0.9 watts on 40 and 0.2 on 20. I had a similar problem in my recently completed KX1. I solved it by redoing the step in which you null the voltage reading from the trimmer cap (step says to set

Re: [Elecraft] KX-1 output problem

Hey John: I had a similar problem with my KX1. It ended up being a bad solder joint on a resistor pack. I cannot remember which one, but if you look at the schematic you will be able to locate it. After applying a little heat to the joint all was OK. Hope this helps in some way. Ken/NO4D