were's TP12 on the TX Module ?
--- In [email protected], 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 > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
