[R-390] Dead R-390A Update

[Joe Foley]

Sounds like a loose connection somewhere, check plugs,
wiggle things.

Joe




--- Bill Keller <kellerfamily01 at charter.net> wrote:

> The situation with this radio is getting more
> confusing.  I went through it and checked every tube
> substituting one tube at a time and found nothing -
> ended up leaving the old tubes in.  I also checked
> all connections and replaced the can holding Y201 &
> Y203 - didn't help, so left original can and
> crystals in.  So, nothing was actually replaced, but
> somewhere during the time I was doing the checking,
> the radio gradually went from totally dead to barely
> working.  The strongest signals will now come in
> barely audible with the gain all the way up but
> still not strong enough to copy.  If I turn the
> limiter on, they get slightly stronger.  And if I
> turn on the BFO, they get even a little bit
> stronger, but still not strong enough to even hear
> unless the gain is turned all the way up.  I can
> barely tell that signals are there, and that
> includes nearby broadcast stations.  Nothing, of
> course, is anywhere near strong enough to even budge
> the S meter.  This radio was totally restored by
> Miltronics a few years back and is exceptionally
> clean, so I know that it's well worth fixing if I
> ever get smart enough to figure out what's wrong
> with it.  And if I have the time and space to take
> it apart to work on it.
> Bill K.


		
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