No audio from speaker on K2

[K1DWZ]

Ok---this might be elementary to many but I can't seem to find the problem.  
After I built the NB board and plugged it in along with the SSB board and
plugged  in  the ATU cable and  the internal battery cable, I plugged in the
speaker cable, Now there is no audio from the speaker, but there is audio from the
headphones. I checked the speaker and cable with a ohmmeter and things look
ok. Elecraft suggusted that the headphone jack might be bad, but I had never
used it before this and the audio was ok from the speaker then.  Everything else
is working fine including the NB  Has anyone else experienced this problem?  I
might add that I did not build this K2 but aquired it total built and working
100%
Any help would be appreciated.

Ken   K1DWZ
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[Darwin, Keith]

Gee Ken, I duhno, but here are some troubleshooting ideas.

Rule #1:  If it was working but now isn't, look at what changed.  I
don't care if what changed "has nothing to do with it", start checking
there.

Rule #2:  Follow the clues.  Gather clues and follow them.  Don't jump
to a conclusion about what it is (I've change the part 3 times and the
rig STILL doesn't work) or what it isn't.

Rule #3:  Ask Don.


Try taking all those accessories out.  Do you still have output?  Then
put them in one at a time.  This will at least narrow the search.

- Keith -


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of
[hidden email]
Sent: Tuesday, May 16, 2006 9:07 AM
To: [hidden email]
Subject: [Elecraft] No audio from speaker on K2

Ok---this might be elementary to many but I can't seem to find the
problem.  
After I built the NB board and plugged it in along with the SSB board
and plugged  in  the ATU cable and  the internal battery cable, I
plugged in the speaker cable, Now there is no audio from the speaker,
but there is audio from the headphones. I checked the speaker and cable
with a ohmmeter and things look ok. Elecraft suggusted that the
headphone jack might be bad, but I had never used it before this and the
audio was ok from the speaker then.  Everything else is working fine
including the NB  Has anyone else experienced this problem?  I might add
that I did not build this K2 but aquired it total built and working 100%
Any help would be appreciated.

Ken   K1DWZ
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[John-483]

Ken,

While your trouble shooting the audio problem, go ahead and order a couple
of headphone jacks from Elecraft. If the jack is not the problem it won't
hurt to have a spare on hand. I've had to replace the jack twice in one of
my K2's. It didn't make sense to me either, one day it worked, the next day
it didn't. If there is a weak point in the K2/K1 audio hardware, it's the
phone jack.

John
K7UP
@ K2's and a K1



At 07:07 AM 16/05/06, you wrote:

>Ok---this might be elementary to many but I can't seem to find the problem.
>After I built the NB board and plugged it in along with the SSB board and
>plugged  in  the ATU cable and  the internal battery cable, I plugged in the
>speaker cable, Now there is no audio from the speaker, but there is audio
>from the
>headphones. I checked the speaker and cable with a ohmmeter and things look
>ok. Elecraft suggusted that the headphone jack might be bad, but I had never
>used it before this and the audio was ok from the speaker
>then.  Everything else
>is working fine including the NB  Has anyone else experienced this
>problem?  I
>might add that I did not build this K2 but aquired it total built and working
>100%
>Any help would be appreciated.
>
>Ken   K1DWZ
>_______________________________________________
>Elecraft mailing list
>Post to: [hidden email]
>You must be a subscriber to post to the list.
>Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft
>
>Help: http://mailman.qth.net/subscribers.htm
>Elecraft web page: http://www.elecraft.com

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[Mike Harris-9]

G'day,

Not plugged into the wrong socket on the RF board is it?  The one you
want is near the front right hand side not half way down the board,
aux 12v or something like that from memory.  A common mistake when
reassembling.

Regards,

Mike VP8NO

> At 07:07 AM 16/05/06, you wrote:
> >Ok---this might be elementary to many but I can't
> seem to find the problem.
> >After I built the NB board and plugged it in along with the SSB
> >board
> and
> >plugged  in  the ATU cable and  the internal battery cable, I
> >plugged in
> the
> >speaker cable, Now there is no audio from the speaker, but there is
> >audio
>
> >from the
> >headphones. I checked the speaker and cable with a ohmmeter and
> >things
> look
> >ok. Elecraft suggusted that the headphone jack might be bad, but I
> >had
> never
> >used it before this and the audio was ok from the speaker
> >then.  Everything else
> >is working fine including the NB  Has anyone els

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