lenovo s410p no display

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  • bigbily09
    Senior Member
    • Dec 2014
    • 68
    • qc

    #1

    lenovo s410p no display

    i have here a lenovo s410p the problem is the unit power on but nothing display on screen nothing even a shadow but there is a display using external display
    upon diagnosing i found out that there is no 3.3v on lvds connected to u5201 but there is a 3.3v on the other side of u5201

    also i dont have a schematic pls help
  • mcplslg123
    Badcaps Legend
    • Jun 2015
    • 7262
    • india

    #2
    Re: lenovo s410p no display

    Post a clear photo of U5201 area and the marking on it.

    Comment

    • bigbily09
      Senior Member
      • Dec 2014
      • 68
      • qc

      #3
      Re: lenovo s410p no display

      Originally posted by mcplslg123
      Post a clear photo of U5201 area and the marking on it.
      heres the photo
      Attached Files
      Last edited by bigbily09; 09-02-2021, 01:43 AM.

      Comment

      • bigbily09
        Senior Member
        • Dec 2014
        • 68
        • qc

        #4
        Re: lenovo s410p no display

        already checked the lid switch . 3.3v is ok on input and ouput

        Comment

        • mcplslg123
          Badcaps Legend
          • Jun 2015
          • 7262
          • india

          #5
          Re: lenovo s410p no display

          U5201 marking is not visible on the photo. can you tell us the marking on it?? Maybe datasheet is available for this component. PIN3 you are not getting any voltage-what is the resistance to gnd on this pin??

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