ASUS X505BP no power no charge

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    • Oct 2016
    • 3
    • italy

    #1

    ASUS X505BP no power no charge

    Hi

    I have a issue with this motherboard, X505BP REV 2.0 not charging and not power up.
    The PQL8902 (Mosfet qm1830m3) is burned, but with an donor motherboard, same model and revision, i have changed this.
    But the motherboard continue to not power up or charge, measuring the voltage on mosfet PQ8901 ( Mosfet m3056m) before i have 19,5V but after the mosfet the voltage is 0v.
    The donor motherboard (faulty for liquid spillage) this in same zone the PQ8901 measuring 19,5V before and after the mosfet.
    I have trayed to swap the mosfet from two motherboard but with no results.

    any help is aprecied
    Attached Files
  • Techtiger
    Badcaps Legend
    • Oct 2014
    • 1601
    • france

    #2
    Re: ASUS X505BP no power no charge

    You need a Gate pass from charging IC EX BQxxxx what is the voltage on the 1st 2 Fets all pins D S G and CLR R01 ?

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