K3 phone plub

[John McBee-2]

I have been having a problem for some time with the headphone jack on my
K3, no sound coming out of speaker on K3.  It's starting to happen more
and more frequently.  The problem is, some times when I turn on my K3, I
can't hear any audio coming out of the K3 speaker unless I plug in my
headphones and unplug them.  Hear lately it will work for a little bit
then quit and I'll have to plug a phone plug back in and remove it again
for the audio to return to the k3 speaker.  Sometimes just leaving the
headphone connector in a little will make the audio come back to
speaker. Could this be a bad phone plug on the K3?  Im running MCU
firmware v 4.86.

Thanks for any advice

John
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[John Kendra-2]

I have had trouble with my K3 front phone plug since it was about two months old.  Usually I have to jiggle my headset plug to get audio in my headset.  The jack seems to be at a place hard to get to.

John N4LJS

> On Dec 22, 2014, at 19:54, John McBee <[hidden email]> wrote:
>
> I have been having a problem for some time with the headphone jack on my K3, no sound coming out of speaker on K3.  It's starting to happen more and more frequently.  The problem is, some times when I turn on my K3, I can't hear any audio coming out of the K3 speaker unless I plug in my headphones and unplug them.  Hear lately it will work for a little bit then quit and I'll have to plug a phone plug back in and remove it again for the audio to return to the k3 speaker.  Sometimes just leaving the headphone connector in a little will make the audio come back to speaker. Could this be a bad phone plug on the K3?  Im running MCU firmware v 4.86.
>
> Thanks for any advice
>
> John
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[Bill-3]

I had that problem early on and figured it was a film of some kind on
the innards of the jack - had to wiggle the plug to get it to work.
So........ I used some of that high dollar contact cleaner on the plug
and then while it was still dripping wet, plugged it in and twisted it
around for a few seconds. That fixed the problem. Your mileage may vary!

Bill W2BLC K-Line

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[John McBee-2]

On 12/23/2014 7:29 AM, W2BLC wrote:

> I had that problem early on and figured it was a film of some kind on
> the innards of the jack - had to wiggle the plug to get it to work.
> So........ I used some of that high dollar contact cleaner on the plug
> and then while it was still dripping wet, plugged it in and twisted it
> around for a few seconds. That fixed the problem. Your mileage may vary!
>
> Bill W2BLC K-Line
>
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Problem still exist, however I have discovered that if I turn on spkr+ph
to on, I have audio fine without headphones plugged in, but if I change
it to spkr+ph to NO then the audio in speaker shuts off with no
headphones plugged in.  I have sprayed my phone connector plug with
Eledtronic cleaner and put in phone jack and turned it and still no
audio out speaker with phone plug out.  When I turned on my K3 this
evening before doing the test, I could not get any audio out speaker at
all.  Before it was hit and miss.  So question again, cud it be phone
plug on the K3 or firmware issue? Firmware agn is MCU 4.86.

Thanks
John
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[Mike K2MK]

Hi John,

Are you sure your external speaker is plugged in to the speaker jack and not the rear headphone jack?

73,
Mike K2MK

John McBee-2 wrote

Problem still exist, however I have discovered that if I turn on spkr+ph
to on, I have audio fine without headphones plugged in, but if I change
it to spkr+ph to NO then the audio in speaker shuts off with no
headphones plugged in.  I have sprayed my phone connector plug with
Eledtronic cleaner and put in phone jack and turned it and still no
audio out speaker with phone plug out.  When I turned on my K3 this
evening before doing the test, I could not get any audio out speaker at
all.  Before it was hit and miss.  So question again, cud it be phone
plug on the K3 or firmware issue? Firmware agn is MCU 4.86.

Thanks
John

[John McBee-2]

On 12/24/2014 4:26 AM, Mike K2MK wrote:

> Hi John,
>
> Are you sure your external speaker is plugged in to the speaker jack and not
> the rear headphone jack?
>
> 73,
> Mike K2MK
>
>
> John McBee-2 wrote
>> Problem still exist, however I have discovered that if I turn on spkr+ph
>> to on, I have audio fine without headphones plugged in, but if I change
>> it to spkr+ph to NO then the audio in speaker shuts off with no
>> headphones plugged in.  I have sprayed my phone connector plug with
>> Eledtronic cleaner and put in phone jack and turned it and still no
>> audio out speaker with phone plug out.  When I turned on my K3 this
>> evening before doing the test, I could not get any audio out speaker at
>> all.  Before it was hit and miss.  So question again, cud it be phone
>> plug on the K3 or firmware issue? Firmware agn is MCU 4.86.
>>
>> Thanks
>> John
>
>
>
>
> --
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I don't have an external speaker plugged into the K3. I'm using the
front headphone jack for the headphones only.

John
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[Elecraft mailing list]

I ran into this years ago it turned out to be the Plug and not the jack.
a simple fix is to wrap a piece of fine sandpaper (600+ grit) and wrap it around the plug and twist.
Some plugs seem to have a slight film on them ant this removes it



      From: W2BLC <[hidden email]>
 To: [hidden email]
 Sent: Tuesday, December 23, 2014 8:29 AM
 Subject: Re: [Elecraft] K3 phone plug
   
I had that problem early on and figured it was a film of some kind on
the innards of the jack - had to wiggle the plug to get it to work.
So........ I used some of that high dollar contact cleaner on the plug
and then while it was still dripping wet, plugged it in and twisted it
around for a few seconds. That fixed the problem. Your mileage may vary!

Bill W2BLC K-Line



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