HP ENVY x360 13-bd0003nx Convertable

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  • harshadcpalace
    Member
    • Jul 2019
    • 35
    • bahrain

    #1

    HP ENVY x360 13-bd0003nx Convertable

    Hii Brother I have HP ENVY x360 13-bd0003nx Convertable motherboard functioning but No back light and picture in LED

    INVPWR_B+ = 13 V
    +LCDVDD = 3.34V
    INVTPWM = 0V


    Please any one know the issue
    i will attach my findings and schematic

    Link to Schematic --> https://www.badcaps.net/forum/troubl...ematic-request
    Last edited by SMDFlea; 01-26-2025, 05:54 AM. Reason: Link to Schematic
  • Sephir0th
    Badcaps Legend
    • Oct 2020
    • 1262
    • Germany

    #2
    You have two options, rule out panel and cable as a potential issue or pullup backlight PWM to a late 3.3V rail. Disadvantages will be that backlght brightness can not be controlled anymore.

    Basic checks like, resistance to GND should be done in any case before
    FairRepair on YouTube

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