Lenovo ThinkBook 13s-IML (20RR) No backlight!

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  • Echoo
    Senior Member
    • Apr 2018
    • 92
    • Budapest
    #1

    Lenovo ThinkBook 13s-IML (20RR) No backlight!

    Hello!

    The image is visible, but there is no backlight! On older Lenovo laptops, this problem could have been solved by replacing a fuse, but now I can't find the solution!

    ThinkBook 13s-IML (20RR)
    P207JXJ6
    Tags: None
    • mon2
      Badcaps Legend
      • Dec 2019
      • 14628
      • Canada
      #2
      Review the voltage to ground of:

      VBATA_BKLT_CONN ; should be the voltage of +VSYS

      EDP_BKLT_PWM       ; this pulsing line defines the intensity of the backlight

      EDP_BKLT_EN ; turns the backlight ON/OFF from the logic level of '1' or '0'


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