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LCD monitor problem

My Dell E1609Wc LCD monitor has display problem. I checked the circuit boards, there is no voltage at on/off pin of start circuit. Is it a main board problem? or something else? Please give some guidelines to fix this problem.
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  1. Best answer
    The most common problem with any LCD monitor is a bad power board, and the most common power board problem is bad electrolytic capacitors.
  2. PhilFrisbie said:
    The most common problem with any LCD monitor is a bad power board, and the most common power board problem is bad electrolytic capacitors.



    I have already checked the power board, it seems good. But the power LED does not lit, there is no voltage in start circuit. I think start circuit voltage should come from main board.
  3. Best answer selected by Madhumk.
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