[Amps] sb-221 blowing house fuses

Will Matney craxd1 at ezwv.com
Thu Feb 3 19:13:40 EST 2005


Well, there's a short somewhere. I'd say it's most likely in the HV power  
supply. Could be a rectifier or capacitor, or both. Could also be a  
shorted tube if it's got the old Eimac 3-500Z in it. I think the anode  
welds would break and it would fall into the grid and short out if I  
remember.

Will


On Thu, 3 Feb 2005 23:59:05 -0000, KO1H <KO1H at cox.net> wrote:

> Hi all. I just received my SB-221. Its looks as advertized, but I  
> connected it to AC and threw the swtich and well lets say instant  
> darkness.  Where do I start looking?  Regretfully I dont have the  
> manual.  Hopeing to aquire one soon.  de John ko1h
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