http://elecraft.85.s1.nabble.com/Need-help-for-sick-K1-tp389102p389105.html
to look is the wattmeter section of the tuner.
> -----Original Message-----
>
> Thanks Don - I will do that. I am using the K1 without the tuner now, to
> see what happens for a while. Another list member reminded me to
> change the
> power meter jumper on the RF board. That took care of the power
> request and
> display problems. Now to find the 20 and 15 M power out problem. I am
> having trouble with the problem being in the tuner as I don't see any band
> specific circuitry there. I had assumed the problem would have
> to be in the
> high freq. half of the filter board. Being intermittent greatly increases
> the difficulty in troubleshooting. Banging the K1 on the table has no
> effect. Neither does course language.
> 73
> Rick
> K7MW
> ----- Original Message -----
> From: "Don Wilhelm" <
[hidden email]>
> To: "Rick Dettinger" <
[hidden email]>; <
[hidden email]>
> Sent: Sunday, April 23, 2006 5:21 PM
> Subject: RE: [Elecraft] Need help for sick K1
>
>
> > 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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