[R-390] First time R-390 Owner

[Renee K6FSB]

Hi Adam-
for the R390, IMO biggest issue is in the power supply, if Rick went 
through it in ' 04 most likely good to go.
although best to pull pwr sply and have a look, heat is the issue 
especially 47 ohm resistors. 6080s do get hot!
most everything else is pretty good as caps are Vitamin Q , selenium 
rectifier may have been replaced., most of the time ok.
of course - filter caps..the usual applies...check them.
Renée


On 8/12/25 8:11 AM, Adam Morehouse wrote:
> 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
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