[R-390] R390 EMI filter replaced.

Barry n4buq at knology.net
Sun Jun 23 18:03:47 EDT 2024


I think mine was packed with wood pieces cut to fit with (I believe/hope) cotton.

Barry - N4BUQ

> Thanks Barry,
> I considered rebuilding it, but when I cut it open, appeared that the components
> were potted in Asbestos? Anyway, discretion being the better part....
> Frank
> KJ4OLL
> 
>    On Sunday, June 23, 2024 at 04:34:21 PM EDT, Barry Scott
>    <72volkswagon at gmail.com> wrote:
> 
> Looks good.  Mine failed a couple of years ago and I rebuilt it.  It wasn't fun
> but it can be done.
> Thanks,Barry - N4BUQ
> 
> On Sat, Jun 22, 2024 at 1:09 PM Frank Hughes via R-390 <r-390 at mailman.qth.net>
> wrote:
> 
> An R-390 I picked up years ago at a local Hamfest stopped powering up.
> Traced the issue to the SPRAGUE AC line filter.
> Replacing it w/ a CORCOM 3EQ1, which fits in the space where the original filter
> was installed.
> 
> I recovered the original 4-pin male R-390 power connector from the SPRAGUE
> filter,
> so that the original power cord and appearance can be maintained.
> 73
> Frank
> KJ4OLL
> 
> 
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