I had the same problem on a older K3 that had gotten a lot of use. I
just ordered a new pot and got things running just fine again. It sure
sounded like a mechanical problem, and I did not delve any deeper.
Dave K1WHS
On 12/19/2019 8:52 PM, Rick Bates, NK7I wrote:
My K3 has the same issue. It is a hardware issue since software
control of the volume (HRD) does not cause any problems.
I've not taken the front panel off to see if the pots can be 'treated'
with Deoxit yet.
73 es Merry Christmas,
Rick NK7I
On 12/19/2019 9:01 AM, Larry Boekeloo wrote:
I have a K3, serial #5278, that's had an receive audio issue for
almost as
long as I've owned it.
When I turn the AF gain nearly or completely counter clockwise, the
audio
goes to full volume. The only way to fix the problem, is to quickly
turn
the AF gain back up and down a few times. Many times, I'll want to turn
the audio all the way to answer the phone or talk to someone in the
shack,
and the audio goes to full volume.
Many times, if I reload the DSP software, the issue goes away for a few
months. I have the latest software loaded.
Anyone else have this problem? Maybe the AF gain pot needs to be
replaced?
Thanks.
Larry, KN8N
Kalamazoo, Michigan
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