[R-390] (no subject)

[Steve Hobensack]

I had similar problem once. It turned out that the coax connector from the 
pto canister was not twist locked in place.

Steve   N8YE

Message: 4
Date: Fri, 19 Oct 2007 18:31:50 -0600
From: "Tony Casorso" <canthony15 at msn.com>
Subject: [R-390] R-390a Image problem?
To: <R-390 at mailman.qth.net>
Message-ID: <BAYC1-PASMTP05B7BAB784D4C7ABCA7EB9C9980 at CEZ.ICE>
Content-Type: text/plain;	charset="iso-8859-1"

Hi everyone. This is my first post to the list although I've been
following it for a long time now. A few months back I bought a 67 EAC
R-390a. The only problem I had was an open Z-503 AGC coil. I replaced
that and did an alignment and the radio seemed to be working real well.
Sensitivity was very good on all bands. Recently I've noticed broadcast
stations coming through in the 3Mhz band. A local station on 1650KHz is
about 40db at 3300KHz on the R-390a. I don't hear it on my R-392. Even
moving the 2-4MHz RF slug rack by hand, I still hear the station
(although it does get a bit quieter). There are several other stations
coming through as well on other frequencies. I didn't notice anything
odd when I aligned it, everything seemed to peak like it should. Looking
around at other frequencies with my signal generator, I started noticing
all kinds of harmonic responses, but that is probably (at least to some
degree) just my signal generator (a Boonton 102C). I'm pretty sure
someth
ing is wrong here but I'm scratching my head trying to think of a good
explanation. If the BC station harmonic was that bad, I'd hear it in my
other radios I would think.

Ideas anyone? How do I track this one down?

Thanks,

Tony

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