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 <[email protected]> wrote: > Barry, > > Thanks for taking the time to reply. > > -----Original Message----- > From: Barry <[email protected]> > Sent: Monday, March 25, 2024 6:29 PM > To: gary biasini <[email protected]> > Cc: Barry Scott <[email protected]>; [email protected]; R-390 > Mailing List <[email protected]> > 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 <[email protected]> on behalf of Barry > > Scott <[email protected]> > > Sent: Monday, March 25, 2024 6:00:37 PM > > To: [email protected] <[email protected]> > > Cc: [email protected] <[email protected]> > > 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 <[email protected]> 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: [email protected] <[email protected]> > >> On Behalf Of Jim > >> Sent: Monday, March 25, 2024 9:58 AM > >> To: [email protected] > >> 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 > >> ______________________________________________________________ > >> R-390 mailing list > >> Home: http://mailman.qth.net/mailman/listinfo/r-390 > >> Help: http://mailman.qth.net/mmfaq.htm > >> Post: mailto:[email protected] > >> > >> This list hosted by: http://www.qsl.net Please help support this > >> email list: http://www.qsl.net/donate.html > >> > >> ______________________________________________________________ > >> R-390 mailing list > >> Home: http://mailman.qth.net/mailman/listinfo/r-390 > >> Help: http://mailman.qth.net/mmfaq.htm > >> Post: mailto:[email protected] > >> > >> This list hosted by: http://www.qsl.net Please help support this > >> email list: http://www.qsl.net/donate.html > >> > > ______________________________________________________________ > > R-390 mailing list > > Home: http://mailman.qth.net/mailman/listinfo/r-390 > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[email protected] > > > > This list hosted by: http://www.qsl.net Please help support this email > > list: http://www.qsl.net/donate.html > > ______________________________________________________________ > > R-390 mailing list > > Home: http://mailman.qth.net/mailman/listinfo/r-390 > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[email protected] > > > > This list hosted by: http://www.qsl.net Please help support this email > > list: http://www.qsl.net/donate.html > > ______________________________________________________________ > R-390 mailing list > Home: http://mailman.qth.net/mailman/listinfo/r-390 > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ R-390 mailing list Home: http://mailman.qth.net/mailman/listinfo/r-390 Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
