Quote:
Originally Posted by shaunpw
Sorry that was a mistype, it was meant to be -41.0mv not -0.41mv.
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So work with that value of -41mv. By elimination you have to isolate any possible feed in points to that line.
Heating the board as Ted suggests is actually not a bad idea. Try a hair dryer, any improvement? Try breathing on it. Any worse?
Randomly changing parts like caps does apply a lot of heat locally and that could confuse results. You might think replacing something seems to fix or improve it when in fact the heat was the reason.