[BC] Uniden BC 185 scanner issues

mrfixit@min.midco.net mrfixit
Thu Feb 1 07:22:52 CST 2007


Quoting Alan Alsobrook <radiotech at bellsouth.net>:

> I should have noted that the "transformer" I was talking about is a 
> small audio looking one up near the display on the main board. It's the 
> voltage step up transformer for the VF display. When the cap goes bad, 
> the display dims and then vanishes. Your would think that this would 
> only effect the display, but the receiver quits receiving when this 
> happens. Can't tell you why.

In my BC-220, this is used to generate 25VDC from 12. This runs the audio 
section as well as other things, I've forgotten now what all it does. It's been 
many years since I've been into it, and I really should go in and re-cap 
it...... one of these days.

Dave Dunsmoor


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