Acer 5715Z 1.8V is dead

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  • tomodachi
    Badcaps Veteran
    • Apr 2012
    • 600
    • Turkey
    #1

    Acer 5715Z 1.8V is dead

    System switches on 1.8V rail shows 0.50V and no +CPU_CORE voltage at PL7 &PL8
    Replaced PU8 +1.5VSP/+1.8VP generator but no change. There is no short at 1.8V rail and to the ground it shows 140ohms.
    Pls and ideas ?
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    • dj_ricoh
      Badcaps Legend
      • Jan 2013
      • 2073
      • uk
      #2
      Re: Acer 5715Z 1.8V is dead

      try i soft reflow on the chipset
      Just cook it! It's already broken.

        Comment

        • tomodachi
          Badcaps Veteran
          • Apr 2012
          • 600
          • Turkey
          #3
          Re: Acer 5715Z 1.8V is dead

          Originally posted by dj_ricoh
          try i soft reflow on the chipset
          Did a proper reflow, didn't work :/

            Comment

            • Francisco.s
              Badcaps Veteran
              • Jan 2013
              • 686
              • Spain
              #4
              Re: Acer 5715Z 1.8V is dead

              Originally posted by tomodachi
              System switches on 1.8V rail shows 0.50V and no +CPU_CORE voltage at PL7 &PL8
              Replaced PU8 +1.5VSP/+1.8VP generator but no change. There is no short at 1.8V rail and to the ground it shows 140ohms.
              Pls and ideas ?
              Check value of PR127.
              Also check VR_ON signal.
              Last edited by Francisco.s; 02-18-2014, 12:40 PM.

                Comment

                • tomodachi
                  Badcaps Veteran
                  • Apr 2012
                  • 600
                  • Turkey
                  #5
                  Re: Acer 5715Z 1.8V is dead

                  Originally posted by Francisco.s
                  Check value of PR127.
                  Also check VR_ON signal.
                  I m home at the moment. I 'll check tomorrow and post here, many thanks btw

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