[Elecraft] Update: K3 Hard of Hearing

[Nr4c]

I think that time was several days ago!

Sent from my iPhone
...nr4c. bill


> On Jan 22, 2020, at 1:36 AM, Jack Brindle via Elecraft <Elecraft at mailman.qth.net> wrote:
> 
> John;
> 
> It sounds like it is time to call tech support to see if they can help. They are pretty good at figuring out what happened and how to fix it.
> Trying the second K3 in its place, and it works fine, tells me that you may have an issue in the front end. But they will know better.
> Good luck getting it working properly!
> 
> 73!
> Jack, W6FB
> 
> 
>> On Jan 21, 2020, at 5:02 PM, John Unger <w4au.john at gmail.com> wrote:
>> 
>> Transmit works fine, Martin.
>> 
>>> On Tue, Jan 21, 2020 at 7:46 PM Martin Sole <hs0zed at gmail.com> wrote:
>>> 
>>> Is the transmit working okay?
>>> 
>>> Don’t recall if you mentioned before.
>>> 
>>> My early K3 suffered 0.1uf capacitor failure causing loss of injection
>>> which affected both tx and rx. Another cap failure caused loss of tx only
>>> due to shorted switching voltage. Both were on the RefOsc board.
>>> 
>>> 
>>> 
>>> Sent from my iPhone
>>> 
>>>> On 22 Jan 2020, at 02:42, John Unger <w4au.john at gmail.com> wrote:
>>>> 
>>>> Wow, guys, thank you all for the suggestions of things to check, but
>>> still
>>>> no joy...
>>>> 
>>>> Here's your suggestions that I have checked:
>>>> voltage - 13.6
>>>> RX ANT not on
>>>> I uploaded a couple of old config files - not change
>>>> Turning RF GAIN fully CCW puts SWR meter at full scale
>>>> My other K3 hears FB on all the antennas
>>>> This K3 doesn't have an ATU
>>>> Switching an antenna in and out makes no apparent difference in received
>>>> signals
>>>> No change in BP filters; they have been working fine for long time.
>>>> 
>>>> I do operate SO2R. The last time radio was working OK was during the NAQP
>>>> CW contest where I was running 100W. I have operated KW amps in the past
>>> on
>>>> each radio without any front end problems (but there's always the first
>>>> time, right?).
>>>> 
>>>> Thanks again for the help
>>>> 
>>>> 73 - John, W4AU
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>>> 
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> 
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