problem with laptop cq45-910LA

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  • jonny0404
    Senior Member
    • Nov 2014
    • 110
    • Colombia

    #1

    problem with laptop cq45-910LA

    HI guys i have this laptop CQ45-910LA , when i press power button,fan try to spin but it doesn't,one light start flashing every 5 seconds,this is what i have done, i flash the EC bios, nothing, i flash the pch bios nothing,i measure EC RSMRST# and i have 3v but when i measure SLP_S3# y SLP_S4#that comes from the pch i have 3v for 3 seconds and then disappear and again 3 and the disappear,it continuously do that at the same time with that light. any idea guys, i already try a reflow on the pch I took it up to 180 degrees, and then i wait until gets cool and then i press power button and it happen the same thing.
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  • polytek
    Badcaps Veteran
    • Dec 2013
    • 496
    • TUNISIA

    #2
    Re: problem with laptop cq45-910LA

    please post all mesure of coil to ground;

    Comment

    • jonny0404
      Senior Member
      • Nov 2014
      • 110
      • Colombia

      #3
      Re: problem with laptop cq45-910LA

      hi polytek thanks.

      BIG coils:

      L6000 - 165

      L6150- 109

      L6100- 94

      L6200- 150

      L6300- 47

      L6620-132

      L6610- 132

      L6710- 170

      L6500-406

      L6970-363

      Comment

      • polytek
        Badcaps Veteran
        • Dec 2013
        • 496
        • TUNISIA

        #4
        Re: problem with laptop cq45-910LA

        the mesure are good, there is no short, do you try another dc adaptor ?
        try to do a light reflow for the pch, and see if there is a change.

        Comment

        • atsio
          Badcaps Veteran
          • Oct 2013
          • 819
          • Greece

          #5
          Re: problem with laptop cq45-910LA

          Originally posted by polytek
          the mesure are good, there is no short, do you try another dc adaptor ?
          try to do a light reflow for the pch, and see if there is a change.
          109Ohm and 94Ohm are alright on the 3.3v and 5v lines?

          Comment

          • polytek
            Badcaps Veteran
            • Dec 2013
            • 496
            • TUNISIA

            #6
            Re: problem with laptop cq45-910LA

            sorry atsio, it's not normal for 3/5v lines, but i confused with another post that
            have 3/5v present,
            jonny0404, remove the two big coil L6100 and l6150 and mesure resistance on both side.

            Comment

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