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madafakamw

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Posts posted by madafakamw

  1. Is normal to have 45V at the + and - of the bridge diode?  ???
    LE:
    I use 28V ac transformer.
    If P2 shortcuts Pin3 of U3 with R18=U3 gets very hot;
    if P2 shortcuts Pin3 of U3 with R17=U2 gets very hot, led also turns on;
    I don't know too much electronics and I need someone to help me troubleshoot this power source. I've spent too many hours just to throw it away.  :-\

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