Kinh nghiệm lenovo g580 no disply backlight prob solution

Discussion in 'Computer Hardware Repair' started by carter, Apr 29, 2015.

  1. carter

    carter Well-Known Member

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    lenovo g580 ,,,, compal la-7982p no disply solution
    +ledvdd 19v ok,, dispoff 0v,,, invt_pwm 0v ,,, +lcdvdd_con 0v
    above all voltage when no disply
    now when disply come
    +ledvdd 19v ok,, dispoff 3.3v,,, invt_pwm 3.3v ,,, +lcdvdd_con 3.3v
    when i had checked q80 prob
    just replace q80 and sovled prob
     
    • Like Like x 1
    #1 carter, Apr 29, 2015
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