[Milsurplus] looking for BC-223 oerators

Richard Brunner brunneraa1p at comcast.net
Tue Apr 15 06:04:57 EDT 2008


Re:
> I started to work on my BC-223AX (a.k.a. the little brother of the 
> BC-191).  ........
> The other issue is that the modulator tubes don't turn on in the voice
> position. ..... The manual says one possible problem is the
> "interrupter", which looks like some sort of a relay on the schematics.
> Is it some kind of threshold-operated relay? I know there is a voltage
> adjustment - should be adjusted for 8.2V. Maybe that's the problem that 
> the
> voltage is too low, and the "interrupter" is not pulling in.

Many years ago I used a BC-223 - nice rig.  I believe the "interrupter" is a 
buzzer for sidetone, and MCW operation.

Richard, AA1P 



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