[Elecraft] K3 RX does not always work at power up

[David Hachadorian]

Does your K3 have gold pins on the front panel connector?  The old 
tinned pins were apt to cause a lot of weird/intermittent problems.

Glad you were able to fix the D25 issue.

Dave Hachadorian, K6LL
Yuma, AZ

On 11/2/2022 9:54 AM, George Fremin III wrote:
>
> The K3 that went deaf and I replaced D25 in - has had another issue
> that I have not understood - and it is only annoying when it happens.
>
> Sometimes I will turn it on and it all seems fine but it hears zero
> signals - it is not that it is deaf it is more like it is not
> working. It does have receiver hiss that makes you think it is fine
> and it seems to transmit (although I have not tried to listen to it to
> confirm) but it just does not work at a receiver.
>
> I should try the TX next time.
>
> Power cycling the radio once or twice usually makes it work right away
> and it is fine.  It does not fail like this at every power on.
>
> This radio is being used as a remote radio - and I leave it on almost
> all the time - that is one reason this is not been more of an issue
> and often I forget it does this - until I power it on.  Like last
> night after replacing D25 - and the radio seemed deaf - but even more
> deaf than before as it coudl not even fainly here the signal
> generator.  Then I remembered the power on issue and I turned it off
> and back on and it came to life.
>
> It is an older K3 that has been mostly upgraded to a K3S.
> Single receiver.
> 2m module.
> Newer pre amp.
> USB interface.
> RX ant ports.
>
> Anyone recall seeing this symptom before?
>
> Thanks
>