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820-02020 no display fan spin high

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    820-02020 no display fan spin high

    Hi Everyone,

    i am working on macbook pro 820-02020 ex water damage.

    the macbook can turn on but no display and fan spin high.

    after visual check i saw UC710 got burn. took off UC710 but still have short on PPBUS_AON_3V3S2_VIN_ISNS.
    after scraping the short is gone but still have short on PP3V3_S2 and PP3V3_S2_PWR_EN still short.

    i have tried to inject 1V and 3A through this line but nothing gets hot.

    any idea?

    #2
    Re: 820-02020 no display fan spin high

    anyone?

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