[Elecraft] K2 keyer problem

Fri May 16 23:04:00 2003

Bad Jack????

Try using a piece of wire on the bottom of the board to close the
contacts on the jack and see if it works there

I just got done to the same stage your at, and just finished up testing
it.

Good Luck!!!!

--- "David A. Belsley" <[email protected]> wrote:
> Check:
> 
> the paddles: are both sides really closing?  Use your ohm meter.
> the connections to the stereo plug; try shorting the connections with
> a clip
>       lead to ground.
> the stereo jack itself: are the swipes making proper contact
> the solder connections to the jack and to R1 and R2 on the RF board.
> finally, use a 220 ohm resistor and touch it between pin 29 and
> ground and
>       then between pin 30 and ground of U6 on the control board.  If
> you
>       don't get dots when connected to pin 29 and dashes when
> connected to
>       pin 30, then there is something wrong with U6.  Check that it
> is
>       properly installed and seated.
> If you do get dots and dashes with direct connections to U6, then
> start
>       tracing back from these pins to P3 of the control board and
> back
>       through J8 of the RF board back to the key jack.
> 
> best wishes,
> 
> dave belsley, w1euy
> 
> --On Friday, May 16, 2003 4:55 PM -0400 Andy Bullington 
> <[email protected]> wrote:
> 
> > I've gotten to the first stage of tests in my K2 and am having a
> problem
> > with the keyer. Only one side of my paddles seems to work. If I
> switch to
> > left hand configuration the dits change to dahs on the working side
> but
> > thats it. I've tried 2 different cords and 2 different sets of
> paddles.
> > Any Ideas? Everything else in the stage 1 tests checks out fine.
> Thanks
> > guys.                Andy W1AWB
> >
> >
> > --- StripMime Report -- processed MIME parts ---
> > multipart/alternative
> >   text/plain (text body -- kept)
> >   text/html
> > The reason this message is shown is because the post was in HTML
> > or had an attachment.  Attachments are not allowed.  To learn how
> > to post in Plain-Text go to: http://www.expita.com/nomime.html  ---
> > _______________________________________________
> > Elecraft mailing list: [email protected]
> > You must be a list member to post to the list.
> > Postings must be plain text (no HTML or attachments).
> > See: http://mailman.qth.net/mailman/listinfo/elecraft
> > Elecraft Web Page: http://www.elecraft.com
> 
> 
> 
> ----------------------------------
> David A. Belsley
> Professor of Economics
> _______________________________________________
> Elecraft mailing list: [email protected]
> You must be a list member to post to the list. 
> Postings must be plain text (no HTML or attachments). 
> See: http://mailman.qth.net/mailman/listinfo/elecraft
> Elecraft Web Page: http://www.elecraft.com

=====
Harry - AB2PN

__________________________________
Do you Yahoo!?
The New Yahoo! Search - Faster. Easier. Bingo.
http://search.yahoo.com