[Elecraft] (KX3) Voltage display

Rob May roblitespeed at hotmail.com
Mon Apr 15 19:14:27 EDT 2013


Dick,
Two different cables, one of them the oem cable.  Both 5.5 x 2.1mm.  Both have molded ends and measure full voltage with a DMM.  Both show just .1V drop on 10W cw transmit.

73,
Rob
NV5E

----------------------------------------
> From: dieven at comcast.net
> To: roblitespeed at hotmail.com; elecraft at mailman.qth.net
> Subject: RE: [Elecraft] (KX3) Voltage display
> Date: Mon, 15 Apr 2013 16:05:41 -0700
>
> Is there any possibility that the coaxial DC connector is the wrong size for
> your KX3? I have had trouble mixing 2.5 and 2.1 mm connectors in my
> station.
>
> 73 de Dick, K6KR
>
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Rob May
> Sent: Monday, April 15, 2013 3:53 PM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] (KX3) Voltage display
>
> I've been having a weird problem with my KX3.  No matter what voltage I plug
> into the external power jack, the display will briefly show the correct
> voltage and then it will show 10.4V.  I've measured the voltage at the
> barrel tip on the cord and it's either 12.9V (if on a gel cell) or 14.4V if
> I use the shack PS.  In either case the KX3 internal display shows 10.4V
> after briefly showing 12.9V or 14.4V.  FW 1.41, all options including
> internal battery charger.  It didn't used to do this, any help would be
> greatly appreciated.
>
> 73,
> Rob
> NV5E
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