[Elecraft] K3 won't shut off?

[iain macdonnell - N6ML]

Does the K3 power off fully if you disconnect the ACC connector? It
sounds like something is pulling pin 8 down....

73,

    ~iain / N6ML


On Mon, Dec 31, 2012 at 12:20 PM, Dr. William J. Schmidt, II
<bill at wjschmidt.com> wrote:
> So I connected my PR6 - 6 meter preamp to my K3 for the first time last week
> and work some DX.  At the end of the day I go to shut the radio off and the
> display goes blank (hear the relays disengage) but all of the LEDs are still
> lit on the radio. and it will not turn back on except to cycle the power on
> the power supply.  I discuss this with a friend and he reminds me that there
> was a MOD for K3's to put a diode on the KPA3 board for the 12V sense
> circuit, but after looking at the MOD sheet on the Elecraft website, it says
> that this MOD was incorporated into the radio as of 2009 (my radio less than
> a year old).  I remove the fans to check for the 1N4148 on P68A of the KPA3
> and it's not there.  So two questions. Has anyone else experienced this
> phenomena, and does anyone know. was that diode actually incorporated into
> the radio on the board somewhere else and mine is just bad?
>
>
>
>
>
> Dr. William J. Schmidt - K9HZ / J68HZ/ 8P6HK/ ZF2HZ/ PJ4HZ
>
>
>
> Owner - Operator
>
> Big Signal Ranch
>
> Staunton, Illinois
>
>
>
> email:   <mailto:bill at wjschmidt.com> bill at wjschmidt.com
>
>
>
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