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[AMPS] SB200 PS question ?

To: <amps@contesting.com>
Subject: [AMPS] SB200 PS question ?
From: measures@vcnet.com (measures)
Date: Thu, 18 Nov 1999 10:40:39 -0700
>
>    
>I just picked up an SB200 from an estate sale that looks like it sat in a 
>basement for 3 years!  
>
>
>Anyway, upon firing it up, it appears to put out 500w into the Bird on a 
>dummy load. After about 3 minutes of use, the HV bleeder resistors start to 
>smoke from overheating. 

The 30k units normally run hot enough to toast the circuit board.  I 
would change the capacitor equalizers  to 100k-ohm, 3w MOF.  By measuring 
the T=RC dischange time, you can calculate total C and determine if it's 
time to go with a new set of filter caps.  

good luck, Eric

-  Rich..., 805.386.3734, www.vcnet.com/measures.  


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