The below was posted last July. I just experienced the same problem
(for no apparent reson)
that Bruce discribed, only my problem affected LSB only. I tried
disabling and then
reenabling FL1 in LSB using the K3 utility -- no help. I did not do a
reset; the RESTORE
CONFIGURATION
To:
[hidden email]
> Subject: [Elecraft] K3 - NO SSB RX
>
>
> Now that this problem has occurred twice it is time to ask if I am alone.
>
> One of my K3s lost all audio on SSB RX. It still worked fine on CW. TX was
> fine on both modes. However, if I increased the Width beyond 3.0kc SSB RX
> audio came back. When the Width was decreased below 3.0kc the audio was
> again gone. The problem was not band specific - it occurred on all bands.
> This happened last week during the IARU and again about 10 minutes ago.
> Last week it occurred while the K3 was powered up and being used. This
> week, when I it was powered on, it came up in this condition.
>
> The fix appears to be a RESET. (Push NORM - power up - EE INIT) Then I run
> the RESTORE CONFIGURATION from the K3 utility program. The K3 is then
> back to normal.
>
> My concern here is two fold. 1. This should not be happening. 2. This issue
> could be the beginning of a larger issue that won't be fixable with a RESET.
>
> Has anyone else had this issue?
>
> K3 # 1193
> Firmware: 3.97
> Filters: 2.7kc, 400hz, 250hz
>
>
> 73,
> Bruce - N1LN
>
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