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Acer E1-571 _ LA-7912P Power ON bun NO Display

Discussion in 'Casie Studies' started by Administrator, May 5, 2017.

  1. Administrator

    Administrator Administrator Staff Member

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    Acer E1-571 _ LA-7912P Power ON bun NO Display

    Schematic.png
    Checked 19v, 3.3v, 1.8v its OK.

    No Vcore supply.

    PSU taking the load off.

    Found 100k resistor open near PQ7

    Replaced PR28

    Now the laptop its OK
     
    Administrator, May 5, 2017
    #1

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