[R-390] R-390A and GFI

[Larry H]

Perry wrote up a doc on this subject.  It's on our website in the 'Repair
Tutorials*' *section of the 'references' page.  It's worth looking at.
Here's  a link: Replacing FL101 in the R-390A.pdf
<https://www.r-390a.net/Replacing%20FL101%20in%20the%20R-390A.pdf>

Regards, Larry

On Mon, Mar 25, 2024 at 9:02 PM <gary.biasini at shaw.ca> wrote:

> Barry,
>
> Thanks for taking the time to reply.
>
> -----Original Message-----
> From: Barry <n4buq at knology.net>
> Sent: Monday, March 25, 2024 6:29 PM
> To: gary biasini <gary.biasini at shaw.ca>
> Cc: Barry Scott <72volkswagon at gmail.com>; hamfish at comcast.net; R-390
> Mailing List <R-390 at mailman.qth.net>
> Subject: Re: [R-390] R-390A and GFI
>
> Gary,
>
> That was probably 20 years ago.  If I did have pictures, I'm pretty sure I
> couldn't find them anymore.  It was a fairly simple little plate, though.
> It would be pretty easy to make with a milling machine or, possibly a good
> file.
>
> Thanks,
> Barry
>
> > Barry,
> >
> > Do you have any pictures?
> >
> > Gary I. Biasini
> > ________________________________
> > From: Barry Scott <r-390-bounces at mailman.qth.net> on behalf of Barry
> > Scott <72volkswagon at gmail.com>
> > Sent: Monday, March 25, 2024 6:00:37 PM
> > To: hamfish at comcast.net <hamfish at comcast.net>
> > Cc: R-390 at mailman.qth.net <R-390 at mailman.qth.net>
> > Subject: Re: [R-390] R-390A and GFI
> >
> > Years ago, I made some aluminum adapter plates that mounted on the
> > existing threads where FL-101 was.  It had a properly-shaped hole that
> > accepted a modern line filter with an IEC connector.  Clean, no-mod
> update.
> >
> > Thanks,
> > Barry
> >
> >
> > On Mon, Mar 25, 2024 at 5:44 PM <hamfish at comcast.net> wrote:
> >
> >> Good Afternoon Jim,
> >>
> >> Another thought comes to mind, do you need the original R390/A line
> >> filter (FL101)? Most of today's interference is by way of the antenna
> input, RFI.
> >> Line noise is better dealt with by finding that source and unplug it.
> >> FL101 is what trips GFIs because of leakage of the caps inside of
> >> said line filter. So power the R390/A (with no antenna connected)
> >> through an outlet that does not have a GFI, is there noise? If there
> >> is no noise, at this time a FL101 or equivalent is not needed. Remove
> >> FL101 and be done with it. If there is noise, the search begins.
> >> Might be easiest to unplug the source, maybe ferrite thingies, or a
> >> line filter mentioned by the rest of the long distant R390/A service
> >> dept.
> >>
> >> If noise is by way of the antenna input....................welcome to
> >> today's world.
> >>
> >> Regards,
> >> Craig
> >>
> >> -----Original Message-----
> >> From: r-390-bounces at mailman.qth.net <r-390-bounces at mailman.qth.net>
> >> On Behalf Of Jim
> >> Sent: Monday, March 25, 2024 9:58 AM
> >> To: R-390 at mailman.qth.net
> >> Subject: [R-390] R-390A and GFI
> >>
> >> I'm in a new location and when I plugged in my R-390A it tripped the
> >> GFI's in the room.
> >> I see that there is a modification to the 390 AC filter, but time is
> >> short and I would like to get it on the air.
> >> Is there a simple way to keep the 390 tripping GFI's?
> >>
> >> TNX
> >> Jim
> >> WB2TPS
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