[MRCG] [Bulk] BC-375 SK

Jack Antonio scr287 at att.net
Sun Nov 15 20:36:26 EST 2015


On 11/15/2015 5:30 PM, Jim Falls wrote:
> The BC-375 is no longer in the shack as is my policy with my busted radios.
>
> When it ate the second plate current meter, I suspected something was up. Now it snacks on HV fuses. They last a couple minutes. Power supply lugs down to 800V from its usual 1100V.
>
> I suspect bypass cap issues. Anyone have an idea where to start before I start flailing around in there?

Hi Jim

Look at capacitor 1197. It is a 3 section cap, accessible from the rear 
of the transmitter with the back cover off.

It has a history of going leaky then shorting. Each section is 1uF at
3kv and one section is across the B+.

That is where I'd start.


Jack



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