[Elecraft] Regarding K3 12v RCA rear socket - many thanks

[Guy Olinger K2AV]

There also is an issue that caused me a lot of grief until I  figured it
out: some pins on RCA plugs are not long enough to contact the tongues on
some RCA jacks. This could be an issue with the shoulders of the jacks or
the shape of the shell of the plug. But the result is that the pin just
barely, barely makes contact with the tongue, which is a recipe for all
kinds of undesired behavior.

I bought a little bag of simple RCA plugs with a longer pin and I now make
all my RCA pinned cords myself. All the ready-made off the shelf cords have
short pins.

73, Guy K2AV

On Friday, September 16, 2016, <g4urt at btinternet.com> wrote:

> To those who replied to my plea...
> Many thanks for your input.
> Delving further into the rig it seems that when you put an RCA plug into
> the socket it bends the centre tab down to complete a circuit and gives the
> 12v....having checked the volts etc there is 12v (fuse is fine) at the base
> of the RCA but putting a plug in doesn't fully complete the circuit hence
> no volts going out. That is the derivation of  'switched socket' on rear of
> rig....
> Looks like some minor surgery (bending of tab) to be performed tomorrow!!!
> Much obliged to all - you know who you are!!
> Thanks, Peter G4URT
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