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Subject:
Re: Problems with Drake Power Supply
From:
Butch Bussen <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Thu, 30 Aug 2007 21:26:07 -0700
Content-Type:
TEXT/PLAIN
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TEXT/PLAIN (8 lines) 
I'd suggest replacing the filter caps.  Often those supplies used voltage 
doublers which are strange circuits using diodes and caps.  If you get a 
hum and relay chatter, sounds like unfiltered dc.  Also, you can check 
voltages with a dvm, but be careful. <smile>  I'd bet filter caps though.
73s
Butch Bussen
wa0vjr

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