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geewrd
 Post subject: Found it
PostPosted: Thu May 17, 2012 5:55 pm 
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Joined: Fri Aug 20, 2010 9:06 am
Posts: 7
So I finally tracked it down. Turned out to be a faulty crunch/munch switch. It was taking the ac output voltage from over 200v to less than 20v, not sure how it could do that, but now that's it removed the amp is working perfectly. I'm also not sure how an amp tech with a scope missed that with 4 hours of bench time, and I caught it with nothing but a fluke 87, and a guitar...

...but at least now I have my amp back!
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kurtlives
 Post subject: Re: Found it
PostPosted: Thu May 17, 2012 7:09 pm 
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Joined: Sun Feb 17, 2008 4:47 pm
Posts: 960
Location: Toronto, Canada.
Good to hear!

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Stoo
 Post subject: Re: Found it
PostPosted: Thu May 17, 2012 7:52 pm 
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Joined: Sat Jul 22, 2006 2:59 pm
Posts: 480
Location: Vancouver B.C. Canada
After you replace the switch, the next thing should be your amp tech!
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