[R-390] BFO question

[Jim Miller]

It is possible that the BFO knob could have been turned multiple times 
either way putting the BFO frequency way off.  It could be oscillating OK 
but be way off frequency.

----- Original Message ----- 
From: "Kenneth" <crips01 at msn.com>
To: <r-390 at mailman.qth.net>
Sent: Wednesday, June 29, 2005 4:51 PM
Subject: [R-390] BFO question


>I am going to get the BFO working on My R390A, once and for all. I have the
> Y2K manual, of course, but I need a little advice. Here is what I have; 
> the
> BFO does not work, there is no calibration tone in the R390's audio but I
> can hear it from the SBA-1 side band adapter, I can see a calibration
> carrier in the signal strength meter on the R390.  The tubes on the IF/RF
> module test good, if I can trust my tube tester that is.  Where do I start
> on this to figure out what is going on. I have replaced the two 
> questionable
> caps in this module.  The radio works fine otherwise.  I have not been too
> motivated to repair the BFO because of the side band adapter.
>
>                             Ken
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