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PC PSU clicking noise

Discussion in 'Troubleshooting and Repair' started by Vjachiks, Apr 4, 2012.

  1. Vjachiks

    Vjachiks

    2
    0
    Apr 4, 2012
    I got PSU Coolermaster 700w. I made clicking noise. Here is the video!


    Do you know why? And what it is. I have checked all connections and all values are right. Ideas? I receive it yesterday as used from ebay! All capacitors looks OK!
     
    Last edited: Apr 4, 2012
  2. GreenGiant

    GreenGiant

    830
    6
    Feb 9, 2012
    sounds to me like one of the caps

    Have you asked the seller about it?
    Googled the problem?
     
  3. Vjachiks

    Vjachiks

    2
    0
    Apr 4, 2012
    nothing in google... usually peoples says that it`s fan, but it`s not... try to change big cap?
     
  4. shiekh

    shiekh

    77
    1
    Oct 11, 2010
    Would not the clicking be the crow-bar circuit? although what might be causing it to kick in is beyond me.
     
  5. shrtrnd

    shrtrnd

    3,674
    453
    Jan 15, 2010
    Turn the lights off and look at the board, you might have some arching/sparking going on somewhere.
     
  6. shiekh

    shiekh

    77
    1
    Oct 11, 2010
    I seem to recall that some switched mode power supplies are not at all happy if they are not driving a load; still true?
     
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