[MRCA] BC-244H Question
Al Klase
al at ar88.net
Sun Jun 12 15:06:58 EDT 2011
Jeep,
BC-224 schiz on last page here:
http://w5jgv.com/downloads/BC348-BC224-1.pdf
6-volt tubes is 4 strings of 2.
Al
On 6/12/2011 12:59 PM, D. Platt wrote:
> Gentlemen,
>
> Although I did not fall off the turnip wagon yesterday (nor the day
> before), I still find I don't know everything that I'd like to know.
> Today, I acquired a very nice condition BC-224H (RCA, of course)
> receiver. I fired it up via the Variac and it comes to life, albeit
> with about 100uv sensitivity. I will check all the ususal suspects and
> begin a re-cap, of course. The thing is, the books I have that
> reference the BC-348 and BC-224 have schematics that indicate they are
> applicable to both receivers. In the texts, however, reference is made
> to differences in filament and B+ circuits. Does anyone have a
> reference for the actual schematics for the BC-224( )? Or, can someone
> enlighten me as to what the differences are? This unit has 6 volt tubes
> installed. Might this be how a previous owner got around any filament
> re-wiring? Finally, I notice that the audio output jacks do not have
> toiled seat covers but do have insulating fiber washers installed, as
> are found in avionic audio installations to cut down on ground loops.
> Did 224's have toilet seats? Any info will be much appreciated.
>
> This unit was not butchered in that the dynamotor shelf was used to
> mount the a.c. supply with a.c. input wired directly to the power
> xformer and not through any receiver switching. Thus, I'll be able to
> reverse it all if I so desire.
>
> Regards
>
> Jeep - K3HVG
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--
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/
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