[Amps] Fwd: HENRY 3K CLASIC X MK II

[Richard]

>NEED HELP WITH A POWER SUPPLY PROBLEM.  RF UNIT, POWER TRANSFORMER, AND 
>LOW VOLTAGE CIRCUIT ARE OKAY.  A SHORT BLOWS THE MAIN BREAKER(ON/OFF SW.) 
>IMMEDIATELY WHEN TURNING ON UNIT.  REPLACED BREAKER, NEW ONE BLOWS, AND 
>ALSO BLEW A 25 OHM 20 WATT WIREWOUND RESISTOR(APPEARS IN THE B- CIRCUIT).  
>NOT SURE HOW TO TEST RECTIFIER DIODES, OIL FILLED FILTER CAPACITORS, ETC.  
>NO SHORTS VISIBLE.  ANY HELP WOULD BE VERY MUCH APPRECIATED.  THANKS,  
>RICH WO2Y 

*  Diodes and capacitors typically short when they fail.  The open 25-ohm 
resistor suggests a +hv arc to gnd. Where is the resistor located -- in 
the pos. or neg. hv?   I would disconnect the ps from the rf deck and get 
the ps working first.  

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
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