asus x409dl run 3vs and 5vs problem

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  • ahmarzo
    Senior Member
    • Mar 2015
    • 173
    • india

    #1

    asus x409dl run 3vs and 5vs problem

    have asus x409dl motherboard with no 3 vs and 5vs coming on pq8801 and pq8806.gate voltage is not coming on both transistor ans 12vs is not coming on pd8801 and pr8801,
  • ahmarzo
    Senior Member
    • Mar 2015
    • 173
    • india

    #2
    Re: asus x409dl run 3vs and 5vs problem

    here is the link for boardview https://www.badcaps.net/forum/showth...57#post1248857
    Last edited by Vesko356; 09-04-2023, 10:03 PM. Reason: Edited boardview link

    Comment

    • ahmarzo
      Senior Member
      • Mar 2015
      • 173
      • india

      #3
      Re: asus x409dl run 3vs and 5vs problem

      Anyone plz guide me solving this problem
      Last edited by ahmarzo; 09-08-2023, 02:16 AM.

      Comment

      • mon2
        Badcaps Legend
        • Dec 2019
        • 14673
        • Canada

        #4
        Re: asus x409dl run 3vs and 5vs problem

        Remove all power. For each power rail that is missing, check their resistance to ground. Post each measurement.

        Comment

        • ahmarzo
          Senior Member
          • Mar 2015
          • 173
          • india

          #5
          Re: asus x409dl run 3vs and 5vs problem

          Thanks for reply 3vs to ground is 724 ohm and 5vs is 840 ohms .THE LAPTOP power on and 3v and 5v always voltage is present but it doesnt get converted to +3vs and +5vs.

          Comment

          • Bonzas
            Badcaps Veteran
            • Jan 2018
            • 474
            • Indonesia

            #6
            Re: asus x409dl run 3vs and 5vs problem

            Check pin 5 PD8701, 12vs generated from here. Remove PC8724
            Last edited by Bonzas; 09-08-2023, 06:09 AM.

            Comment

            • mon2
              Badcaps Legend
              • Dec 2019
              • 14673
              • Canada

              #7
              Re: asus x409dl run 3vs and 5vs problem

              Attaching partial schematics of perhaps a similar logic board.
              Attached Files

              Comment

              • bokarnold28
                Member
                • Jan 2021
                • 10
                • philipines

                #8
                Originally posted by mon2
                Re: asus x409dl run 3vs and 5vs problem

                Attaching partial schematics of perhaps a similar logic board.
                please share schematic

                Comment

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