L750 short circuit problem,

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  • dreamer_x_x
    Ottoman Empire
    • Nov 2016
    • 18
    • turkey

    #1

    L750 short circuit problem,

    hi bro,


    my laptop is toshiba L750,

    5VPCU and 3VPCU voltages are via ground short circuit,but I solved this problem

    now 1,05 Voltage ( vcore) via ground short circuit,is this normal ?

    and square caps are short circuit via ground.is this normal ?



    this caps removed,caps are good,but short circuit on motherboard


    can you help me
  • boyebaran
    Badcaps Veteran
    • Sep 2015
    • 247
    • iran

    #2
    Re: L750 short circuit problem,

    hi
    have you tested without cpu?
    you must remove the coil(v core)and check which pin in this coil is short to GND.

    Comment

    • dreamer_x_x
      Ottoman Empire
      • Nov 2016
      • 18
      • turkey

      #3
      Re: L750 short circuit problem,

      Originally posted by boyebaran
      hi
      have you tested without cpu?
      you must remove the coil(v core)and check which pin in this coil is short to GND.
      Hello there
      I tested without a CPU
      I removed the coil
      Short circuit to the coil of the coil to the CPU
      Coil leg going to mosfet is good,no problem

      Comment

      • boyebaran
        Badcaps Veteran
        • Sep 2015
        • 247
        • iran

        #4
        Re: L750 short circuit problem,

        if you find circuit diagram may help to solve problem.

        Comment

        • dreamer_x_x
          Ottoman Empire
          • Nov 2016
          • 18
          • turkey

          #5
          Re: L750 short circuit problem,

          Originally posted by boyebaran
          if you find circuit diagram may help to solve problem.
          okay,thanx bro


          I think I solved the problem

          Comment

          • shimul
            New Member
            • Jan 2017
            • 1
            • bangladesh

            #6
            Re: L750 short circuit problem,

            Originally posted by dreamer_x_x


            okay,thanx bro


            I think I solved the problem

            how to solved the problem ? please help me.

            Comment

            • kiraro
              Senior Member
              • Jan 2016
              • 177
              • North NY

              #7
              Re: L750 short circuit problem,

              How do you solve 5v and 3v grounded?bad caps?or fault components?, thank you

              Comment

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