RE: Need help for sick K1
Posted by
Don Wilhelm-3 on
Apr 24, 2006; 1:21am
URL: http://elecraft.85.s1.nabble.com/Need-help-for-sick-K1-tp389102p389103.html
Rick,
Look carefully, then look again and again for the bad solder connection in
the K1 tuner.
73,
Don W3FPR
> -----Original Message-----
>
> When I built my (second) K1-4 last year, it worked fine in all
> respects, with output as expected. Couple months ago it turned
> into a K1-2. I got full power on 40 and 30 M but less than 1/2 W
> on 20 and 15 M. I took it apart and measured RF voltages on 20
> M. They were low at all points. I put it together without the
> tuner. It worked on all bands. A K1-4 again. I put tuner back
> and it still worked fine. I used it without problem until today.
> Bact to a K1-2 again. 20 and 15 M had less than 1/2 W. I took
> it apart and removed tuner again. Big change. Now I get too
> much power on all bands. 10 W on 40 M to 5 W on 15 M. I have
> never got more than 7 W on any band. I turned power down to 0.1
> W and still got high power on all bands. Also, the RF indicator
> on the K1 dosn't work. No bars light. Looks like I have a power
> control problem. Like no control. Any ideas? Supply voltage was 12.7 V.
> 73
> Rick
> K7MW
>
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