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Old 09-28-2013, 04:35 PM
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TinCanAlley TinCanAlley is offline
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Join Date: Sep 2008
Location: So Cal, CA
Posts: 718
Quote:
Originally Posted by N2IXK View Post
Scope the B+ voltage that feeds the video amps, and look for ripple/ringing there.
Okay, here's the B+. The DMM has it at 129.8V and the waveform is attached. It doesn't look clean at all. Not sure why there are two on the scope. Scope had the 10x probe, volts/div of 1 and the time/div of 10us.
Attached Images
File Type: jpg B+ Voltage Waveform.jpg (37.6 KB, 14 views)
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