[Elecraft] K3: sub-rx won't work

[W2LE]

That sounds like the problem I had - the leads on T1 on the sub-in 
module were not soldered, some paint had been left on the leads.  I 
cleaned the paint off and resoldered them.

Paul  W2LE


DM4iM wrote:
> Guys, i still could not solve the problem with the sub-rx.
> Over the weekend i opened the K3 and checked all TMP-cables,
> they are in their correct places.
> The pins of the sub-out and the sub-in board are correctly mated with
> their sockets.
> The Aux-DSP ist seated correctly etc etc..
> In short, to me everything looks fine.
> I carefully read the manual in order not to make any mistakes with the
> antenna-connections and/or the selections of the antenna inputs.
>
> The sub-rx *will not work*.
>
> I have :
>
> Noise , but no band noise.
> Faint signals, but this might be a leakage from the main-rx.
> A 2.8khz & 400hz filter in position FL 2 & 3 , so even if i counted the
> positions backwards , one of them should work.
>
> So, what can i do? Can i swap some connections to pin down the defective
> board?
>
>
>