Your pix are not well focused, but if you mean the reddish marks on the PCB, those are probably inspection marks (made by the inspector to show (s)he looked at that part).
PeteS in CA
Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
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To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
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