[Elecraft] Sudden K3 failure

[Mpridesti]

Jack

Did check that - nope not the problem 

Thanks

Regards,

Mark, K1RX


> On Jul 26, 2019, at 10:54 PM, Jack Brindle <jackbrindle at me.com> wrote:
> 
> Perhaps the RxAnt is selected? Easy to do, easy to miss. Done it more times than I care to remember.
> 
> 73!
> Jack, W6FB
> 
> 
>> On Jul 26, 2019, at 7:42 PM, Mpridesti via Elecraft <elecraft at mailman.qth.net> wrote:
>> 
>> Sorry- did not fully see the problem 
>> 
>> The receiver is not working on any band not just 40. Sounds like band noise on all bands (sounds the same on every band).  Did a comparison with a second K3 to confirm the no receiver problem on all bands. 
>> 
>> Previously found by rotating some of the tmp connectors on the SYN boards, got the TX problem to go away. So this “no receive” seems unrelated. 
>> 
>> Regards,
>> 
>> Mark, K1RX
>> 
>> 
>>> On Jul 26, 2019, at 9:57 PM, Barry Simpson <vk2bj at optusnet.com.au> wrote:
>>> 
>>> What about RX antenna ?
>>> 
>>> Barry  VK2BJ
>>> 
>>>> On Sat, 27 Jul 2019 at 09:54, Mpridesti via Elecraft <elecraft at mailman.qth.net> wrote:
>>>> Confirmed that at an early stage of the trouble shooting.  No difference with either antenna selected (only one port has an antenna). 
>>>> 
>>>> Regards,
>>>> 
>>>> Mark, K1RX
>>>> 
>>>> 
>>>>> On Jul 26, 2019, at 7:28 PM, Dennis Moore <dennis at mail4life.net> wrote:
>>>>> 
>>>>> Any chance you accidentally switched antennas on 40m?
>>>>> 
>>>>> Dennis NJ6G
>>>>> 
>>>>>> On 7/26/2019 13:21, Mpridesti via Elecraft wrote:
>>>>>> Although I was able get the TX running again by merely doing a small twist to all the TMP connectors that were reachable with top cover removed and behind the front panel, unable to bring back the receiver front end on 40 m. I hear noise and very weak signals but nothing like the normal band noise and a hot receiver previously.
>>>>>> 
>>>>>> Now wondering if another part of the radio (tmp connectors) needs a small twist to break up oxidation. Not clear as to why just one band is affected. Any thoughts from this great resource?
>>>>>> 
>>>>>> Regards,
>>>>>> 
>>>>>> Mark, K1RX
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