[Elecraft] [K3] Low audio output after AF output mod
Guy Olinger K2AV
olinger at bellsouth.net
Mon Jun 28 18:08:14 EDT 2010
Kari,
The usual interpretation for the instructions you quoted has an
implied ONLY. Do the mod for XB or A -ONLY- , nothing else.
Circuits in later boards may contain the 470 or simply have different
circuits.
73, Guy.
On Mon, Jun 28, 2010 at 4:17 PM, Kari Sillanmaki <oh2gqc at sral.fi> wrote:
>
> Hello group,
>
> Instructions for the AF output mod specify that:
> "This modification is needed for all K3s shipped approximately
> before 01/12/09 containing either
> a Revision "XB" or Revision "A" KIO3 board."
>
> I have a K3 #310 with KIO3A board Revision XD.
> The exact markings on the KIO main board read:
> KIO3A MAIN
> Rev XD
> (c) 2007
> ELECRAFT
>
> The board did not have the 470R resistors installed,
> so I installed them according to the instructions on
> the Elecraft webpage.
>
> Now after the mod, audio output from the
> rear-panel speaker-jack is very low.
> I have to cranck up the AF volume pot up
> to about 2 o'clock in order to hear anything.
>
> So I'm wondering if this mod really is relevant
> for the KIO I'm having?
> Or perhaps I have missed something?
>
> Any ideas, anyone?
>
> BR,
> Kari
> oh2gqc
>
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.nabble.com/K3-Low-audio-output-after-AF-output-mod-tp5232431p5232431.html
> Sent from the [K3] mailing list archive at Nabble.com.
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