[ICOM] 765 freq problem

[Marc & Tricia Niebergall]

Looks like I have a good starting point.

Thanks,
Marc
On Feb 25, 2015 6:14 PM, "D C _Mac_ Macdonald" <k2gkk at hotmail.com> wrote:

> The IC-735 and other rigs of that vintage had similar problems with VCO
> trimmers.  Receive AND transmit audio would get "gargley."
>
> Fred in the Dallas area fixed my 735.
>
> * * * * * * * * * * *
> * 73 - Mac, K2GKK/5 *
> * (Since 30 Nov 53) *
> * k2gkk hotmail com *
> * Oklahoma City, OK *
> * USAF & FAA (Ret.) *
> * * * * * * * * * * *
>
>
>
> > From: gfiber at comcast.net
> > To: icom at mailman.qth.net
> > Date: Wed, 25 Feb 2015 17:52:36 -0800
> > Subject: Re: [ICOM] 765 freq problem
> >
> > For some reason the link does not work, but typing in Icom IC0765
> problems
> > into Google brings it right up as the 1st link. The FAQ also mentions the
> > BFO trimmers being an issue with drift. Here is the link again this time
> not
> > from my iPad but a desktop.
> http://www.qsl.net/icom/oldicomfaq/ic-765.html
> >
> > Gary K8IZ
> >
> > -----Original Message-----
> > From: Icom [mailto:icom-bounces at mailman.qth.net] On Behalf Of Marc &
> Tricia
> > Niebergall
> > Sent: Wednesday, February 25, 2015 11:16 AM
> > To: ICOM Reflector
> > Subject: Re: [ICOM] 765 freq problem
> >
> > Gary,
> > Thanks for the link. Will research thoroughly.
> >
> > Marc
> > On Feb 25, 2015 11:11 AM, "Gary Fiber" <gfiber at comcast.net> wrote:
> >
> > > Can't remember if the reference causes any issues, is it 30.72 MHZ? If
> > > some might be a trimmer cap causing the problem. There is a listing on
> > > www.qsl.net/Icom/oldicomfaq/Ic-765.html you should look at. This was
> > > written by the main 765 tech at the time when he worked at Icom
> America.
> > > See if any of the symptoms he lists match your issues. This tech moved
> > > on years ago but he took the time to list the more common issues with
> > > the transceiver, which helped us out in the support department
> > tremendously.
> > >
> > > Gary P. Fiber K8IZ
> > >
> > >
> > >
> > > > On Feb 25, 2015, at 10:42 AM, Marc & Tricia Niebergall <
> > > mtniebs at gmail.com> wrote:
> > > >
> > > > This may have been discussed in past threads, but I could not find
> > > > it,
> > > so:
> > > >
> > > > My 765 drifts off freq by approximately 150 hz.  This happens in a
> > > > matter of a few seconds. It will sometimes drift back. This affects
> > > > both tx and
> > > rx
> > > > alike. I have been told it is likely in the reference oscillator.
> > > > Does anyone have any experience with this phenomenon?  If so can you
> > > > point me
> > > in
> > > > the right direction for troubleshooting?
> > > >
> > > > Thanks,
> > > > Marc- k7wxk
> > > > ----
>
> ----
> 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
>