Hanns G HG 28" power supply question

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  • brian0108
    New Member
    • Nov 2011
    • 4
    #1

    Hanns G HG 28" power supply question

    My monitor is not turning on. I dont not even get a blue light on it. I took it apart and looking at the power supply circuit board on the underneath i found something that was burnt out. It is C404 .. What do i do to replace this? I am not sure what kind of part this is and will this fix my problem? All of the capacitors do not have bulges or anything. Attached is a picture of the board with the spot circled.
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    • brian0108
      New Member
      • Nov 2011
      • 4
      #2
      Re: Hanns G HG 28" power supply question

      looks like it is one of the flush mount capacitors. Any idea where i can pick up one of these locally near gilbert az and the size?

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        • retiredcaps
          Badcaps Legend
          • Apr 2010
          • 9271
          #3
          Re: Hanns G HG 28" power supply question

          1) If you have a multimeter, see if there 5V standby DC voltage. The connectors should have a legend indicating which pin it is.

          2) If not, then carefully measure the main filter capacitor (the big one) for DC voltage. It should be mains x 1.414 or 165V DC if you are in North America.

          3) A picture of the front would also help.
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            Comment

            • brian0108
              New Member
              • Nov 2011
              • 4
              #4
              Re: Hanns G HG 28" power supply question

              Im sorry im really new to this where should i measure the voltage from?

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