The TX module is working !!!
Ed, thanks a lot so far...
Now I'll go to the RX module.
73
Bernd
--- In Repeater-Builder@yahoogroups.com, "Bernd Maestling"
<[EMAIL PROTECTED]> wrote:
>
> were's TP12 on the TX Module ?
>
>
> --- In Repeater-Builder@yahoogroups.com, wa6rqd <[EMAIL PROTECTED]>
wrote:
> >
> > Bernd Maestling wrote:
> > > Hi again Ed,
> > >
> > > I made a mistake. The voltage at L1 is not 5.2V, it's 0.52V (ugh)
> > > what means that the unit is unlocked.
> > > The other voltages at the test-points are ok (+/- 1V)
> > > I made all the tests on the 856 module.
> > >
> > > 73
> > > Bernd
> > >
> >
> > OK, that makes more sense. Try adjusting the VCO trimmer so that your
> > free running frequency is somewhere around 435. Then let off the PTT
> > button and key it again. If you're lucky, it will lock. Watch the
> TP12 I
> > mentioned earlier while turning the capacitor.
> >
> > Note: if it does lock, you will be drawing more current, but will
> likely
> > not be producing any power unless the frequency it was tuned to
before
> > is within 10 megs (spec is 8 megs) or so of your new frequency. DO
not
> > key it very long as the output will be way out of resonance. You
might
> > even turn the output power control pot all the way down untill you
are
> > sure what is going on.
> >
> > Ed Yoho
> > WA6RQD
> >
>
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