Need help for sick K1
Posted by
Rick Dettinger-2 on
Apr 24, 2006; 1:00am
URL: http://elecraft.85.s1.nabble.com/Need-help-for-sick-K1-tp389102.html
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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