Need help findind this ic for laptop power

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  • Stevie2001
    Senior Member
    • Apr 2018
    • 183
    • irland

    #1

    Need help findind this ic for laptop power

    Asus a52f
    Power is 19v 3.42amps from specs.

    It has a power fault diagnosed using dc power supply.
    The voltage gets drained to 6v and the ic on the board gets heated so am guessing that ic is bad.

    Please check attachment i need that ic
    Attached Files
  • diif
    Badcaps Legend
    • Feb 2014
    • 6978
    • England

    #2
    Re: Need help findind this ic for laptop power

    Remove the ic with hot air. It's the ethernet controller.
    Available on ebay and Aliexpress.

    Comment

    • Stevie2001
      Senior Member
      • Apr 2018
      • 183
      • irland

      #3
      Re: Need help findind this ic for laptop power

      Originally posted by diif
      Remove the ic with hot air. It's the ethernet controller.
      Available on ebay and Aliexpress.
      Ok removed the ic and then voltage remained same and this part started to smoke maybe it is this that causeing the voltage drop ? What part is this any idea.

      Look at the attachment
      Attached Files

      Comment

      • diif
        Badcaps Legend
        • Feb 2014
        • 6978
        • England

        #4
        Re: Need help findind this ic for laptop power

        Where are you injecting 19v ? That Ethernet controller isn't on the 19v rail.

        Comment

        • Stevie2001
          Senior Member
          • Apr 2018
          • 183
          • irland

          #5
          Re: Need help findind this ic for laptop power

          Originally posted by diif
          Where are you injecting 19v ? That Ethernet controller isn't on the 19v rail.
          Connected directly on power port

          Comment

          • Stevie2001
            Senior Member
            • Apr 2018
            • 183
            • irland

            #6
            Re: Need help findind this ic for laptop power

            That ic i removed you sure its not power controller why would it smoke other part of the board chk post 3 or 4

            Comment

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