please help with lenovo g470

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  • amr soliman
    Senior Member
    • Oct 2015
    • 120
    • egypt
    #1

    please help with lenovo g470

    have lenovo g470 la-675AP rev 1.0
    it came from another repairing shop with i/o shorted no power after replace it working but with no data i noticed that l29 have burned side and q80 is shorted
    replaced but still the same
    +1.05VS_PCH is 1v instead
    +1.05VS_VCCPP is 1v instead
    pl902 +VGFX_CORE hav ov
    change pu901 but still the same
    can any one help
    Attached Files
    Last edited by amr soliman; 09-13-2018, 12:24 PM.
    Tags: None
    • mcplslg123
      Badcaps Legend
      • Jun 2015
      • 7262
      • india
      #2
      Re: please help with lenovo g470

      what is the voltage on all pins of U3?? Resistance to gnd on all pins of this mosfet?? Alternatively, you can check voltage at jumper J1-both sides. You should get 1.5v at both sides.

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