Hey Barry, I have not yet - I wanted to check in and make sure there aren't any components that should be changed before a test, like the filter killer cap in the A model.
Adam On Tue, Aug 12, 2025 at 11:46 AM Barry <n4...@knology.net> wrote: > Hi Adam, > > While I only have a sample size of one R390, I think you may find the > components in these are much more likely to still be good and there may not > be that many "replace on sight" components as might be in other radios. > > Have you powered it up to see how it behaves? > > 73, > Barry - N4BUQ > > > Hey guys, > > > > Long time lurker here. You fellas helped me through my R-390A restoration > > (which just got back from Bill Riches for his finishing touches). This > > weekend I purchased an R-390, and another R-390A. Both them are are > pretty > > pristine - faces are great, extremely clean inside. The R390A has some > > weirds to the IF deck and Audio deck, which I haven't figured out....the > > R390 looks untouched. > > > > I am not very smart with electronics - I'm a young man, and typically > > restore old Philcos, Zeniths, etc as a hobby. Replacing caps and > resistors > > I can do. Everything else confuses me, but I am trying to learn, > especially > > since I've got a growing collection of communication receivers. > > > > Supposedly, the R390 went to Rick Mish around 2004 - I think the owner > > might be confused with the R-390A, as it's cleaner than new inside. The > > R390 looks untouched. I am sad that there doesn't seem to be as many > > articles, etc for the non-A...I do some original TM's on the way. > > > > In order to test thing, what are the bare minimum caps/resistors to > > replace? I haven't torn it down yet - I see a 10uF can behind the front > > cover, and what looks like an oil filled cap near the P/S. Hopefully > > nothing under the RF deck needs to be looked at, as that seems like a > bear > > compared to the R390A. > > > > > > Thanks for any help, or advice. I really appreciate it! > > > > Adam K2AAM > > ______________________________________________________________ > > R-390 mailing list > > Home: http://mailman.qth.net/mailman/listinfo/r-390 > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:R-390@mailman.qth.net > > > > 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:R-390@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
