The T-9V switching voltage is available at the accessory plug on the back of
the 509.
Sent from my iPhone
> On Feb 21, 2019, at 1:49 AM, <Rick@dj0ip.de> <Rick@dj0ip.de> wrote:
>
> My advice Dan is to run a 2nd wire to control the switching.
> That was the first thing I did with mine.
>
> See: http://www.dj0ip.de/ten-tec-stuff/405-keying-mod/
>
> 73,
> Rick, DJ0IP
> (Nr. Frankfurt, Germany)
> May the Sunspots be with us!
>
> -----Original Message-----
> From: TenTec <tentec-bounces@contesting.com> On Behalf Of Dan Presley
> Sent: 21 February 2019 03:59
> To: "tentec" <tentec@contesting.com>
> Subject: [TenTec] 405 amp
>
> Anyone have any experience in servicing this little 50W amp? I picked it up
> with a nice 509 but the RF sensing changeover has stopped working. I have a
> maul (not service) with a schematic but any advice appreciated. Thanks.
> Dan Presley N7CQR
> n7cqr@arrl.net
>
>
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