[Elecraft] (K2) distortion on CW receive

[Robert G Strickland]

Don...

Thanks. With the DSP function OFF, the audio is fine. I forgot that one.

Yes, you did a repair and complete alignment several years ago. 
Excellent work, and I haven't touched anything since then. I don't 
remember the chart of filter settings, though that is a while back, and 
who knows...

Thanks again. Hope and trust that you and yours are well.

...robert

On 06/15/2016 22:56, Don Wilhelm wrote:
> Robert,
>
> Do you have the KDSP2 installed?  If so, check the nr and nt settings in
> the DSP menu.
> If you see a dot before either or both, turn them off and see if the
> distortion goes away.  Those functions, if used with aggressive settings
> will cause distortion.
>
> The sidetone is fed separately and does not go through the DSP processor.
>
> If that is not the problem, then you likely have mis-aligned IF
> filters.  I recall I have worked on your K2 before, and you should have
> a chart of the filter settings.  I can tell you how to restore the
> proper settings via off-list email.
>
> 73,
> Don W3FPR
>
> On 6/15/2016 6:11 PM, Robert G Strickland wrote:
>> #5957 has been on the shelf for a while [2yrs]. When fired up in prep
>> for Field Day, the received CW tone is significantly distorted in head
>> phones on all bands. The side tone frequency set is very clean as is
>> the adjustment for side tone volume. I have no test equipment at this
>> time, so it's pretty much menu items and adjustments or send it to
>> Don. Suggestions welcome. Thanks.
>>
>> ...robert
>
>

-- 
Robert G Strickland, PhD ABPH - KE2WY
rcrgs at verizon.net.usa
Syracuse, New York, USA