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Originally Posted by Schlachter
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...Afarre? Are you able to get a picture of what's under that label? I beleive that should be the other side where the proc is... maybe we can get something from that. We could always test each trace individually....
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In a multilayered board what you see in one side does not have any relation with the other side. It is like they were two different boards, in fact it is what they are.
It is also impossible to trace the lines "by sight". Also it is impossible to see anything through it: multilayered boards tipically have a layer dedicated for grounds and power lines. Those layers use to be 90% cupper and make the whole board opaque.
If we get a broken board we should spend a lot of time measuring continuites to see if desired pins goes somewhere.