[Milsurplus] BC-348R

John Watkins via Milsurplus milsurplus at mailman.qth.net
Sat Jul 11 20:27:51 EDT 2015


Go to James Moorer's BC 348 page.  He has excellent schematics for download.  Just Google BC 348 manual and you will find it.

John WD5ENU


Sent from my iPad

On Jul 11, 2015, at 18:41, Mike Morrow <kk5f at earthlink.net> wrote:

> 
>> Remember, when attaching an AC power supply to the BC-348 series, the B- does
>> NOT go to the chassis!  The B- connection is above ground which provides, among
>> other things, the bias for the audio output.  Connecting the B- to the chassis
>> can cause problems including greatly reduced life of the audio output tube.
>> Glen, K9STH
> 
> And...much much worse...AF output transformer failure! The B- connection reminder is a very good and important one.
> 
> WRT a better manual download, I would suggest looking here:
> 
>  http://bama.edebris.com/manuals/military/bc348bc224/
> 
> It is important to find a manual specific to the model.  There's a fair amount of difference in the three major groups of receiver variants.
> 
> For printed copies, Robert Downs/WA5CAB produces manuals that are better than originals in quality, and grossly better than any download.
> 
> Mike / KK5F
> 
> 
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