[ICOM] Older Icoms question

John Geiger af5cc2 at gmail.com
Tue Sep 20 13:57:20 EDT 2016


Hi Ken,

Thanks for the fast answer.  Guess there is no AF out there.  Do you still
like the 720A?

73 John AF5CC

On Tue, Sep 20, 2016 at 12:46 PM, Ken Winterling <wa2lbi at gmail.com> wrote:

> John,
>
> According to my IC-720A service manual, there isn't any connection to pin 8
> of the mic connector.
>
> Ken
> WA2LBI
>
>
> On Tue, Sep 20, 2016 at 1:33 PM, John Geiger <af5cc2 at gmail.com> wrote:
>
> > On the 1990 and later Icom models the AF output is also found on the mic
> > connector, on 8 pin, which is nice for building a simple digital modes
> > interface.  Is this also true on the older Icoms like the 720/730/740?
> The
> > manual never mentions it, but the wiring for the other pins is the
> same.  I
> > have an Icom 720A on the way and want to start working on an interface
> for
> > it.
> >
> > 73 John AF5CC
> > ----
> > Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
> > Icom Users Net: Sundays, 1700Z, 14.316 MHz
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> >
> ----
> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
> To support QSL/QTH.net: http://www.qsl.net/donate.html
>


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