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<blockquote data-quote="Brian Murphy" data-source="post: 57271" data-attributes="member: 1805">Re: A few questions on Specs and equations.I have a background in electronics at component level repairs, not as a board swapper. I have a bench with a load, scope, audio gen, frequency cntr, AC meter, multimeter, distortion anal, variac, etc. I am aware that diagnosing a defect is not a walk in the park. I once worked on a &quot;sample&quot; amp from Japan. It took me quite a while to realize that there were minor differences in the supplied schematic v the sample unit. It turned out that a diode in a feedback circuit was in backwards....BUT...it was correctly oriented according to the board layout. Yeah, I&#039;ve been around a few schematics. I&#039;m not an expert on Crown, QSC, Crest etc. but I have worked on them.If I can pick up a nice amp for a song, after asking a few questions and checking the schematic, it might be worth a few hours of my time.</blockquote>

[QUOTE="Brian Murphy, post: 57271, member: 1805"] Re: A few questions on Specs and equations. I have a background in electronics at component level repairs, not as a board swapper. I have a bench with a load, scope, audio gen, frequency cntr, AC meter, multimeter, distortion anal, variac, etc. I am aware that diagnosing a defect is not a walk in the park. I once worked on a "sample" amp from Japan. It took me quite a while to realize that there were minor differences in the supplied schematic v the sample unit. It turned out that a diode in a feedback circuit was in backwards....BUT...it was correctly oriented according to the board layout. Yeah, I've been around a few schematics. I'm not an expert on Crown, QSC, Crest etc. but I have worked on them. If I can pick up a nice amp for a song, after asking a few questions and checking the schematic, it might be worth a few hours of my time. [/QUOTE]

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