[Elecraft] Audio volume problems

[Don Wilhelm]

Jan,

It sounds like it may be just a broken AF Gain control.  Contact support 
- if you have the capability to repair the board yourself, then a part 
can be sent to you, but if not, the whole board will have to go in for 
repair.

73,
Don W3FPR
On 7/8/2012 8:45 AM, Jan Ditzian wrote:
> I suddenly came up with several problems related to audio volume on my
> K3, MCU 4.51.
>
> I was listening on USB with slow AGC and I noticed that the volume would
> suddenly drop and remain low until I hit the T/R button, whereupon it
> would come back again, and then disappear.  I switched to fast AGC and
> the problem diminished but did not disappear.  So I reached for the
> audio volume control and discovered that it now turns 360 degrees
> without a stop, although there is a slight detent at the regular
> stopping point.  I tried to turn AGC off, and although the display
> indicates that it is off, there appears to be no increase in volume.  I
> now feel that the volume is lower than it was when I first built the unit.
>
> There may be some troubleshooting to do here.  I notice this less with
> strong signals.  I guess I would like to know what to do about the
> rotation first, and then pursue the overall volume problem.
>
> Thank you,
>
> Jan, KX2A
>