[R-390] R390 EMI filter replaced.

[Frank Hughes]

 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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