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820-00840-A No Boot

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    820-00840-A No Boot

    hello, I need guidance, I have an 820-00840-A, all the power lines are correct less on PM_EN_P1V8S0 where I have 3.2v and CPUVR_PWM1 0.40v, the start sequence is 20v,560ma-5 sec 650ma, 20 sec 390ma remains for all time, do you have any idea what the problem could be, thank you

    #2
    Re: 820-00840-A No Boot

    Check to see if you have PP5V_S5.

    Review the cases here - the one with 350mA current draw may be the same as yours.

    https://repair.wiki/w/A1708_2016,_20...ar_MacBook_Pro

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      #3
      Re: 820-00840-A No Boot

      PP5V_S5 _5v

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        #4
        Re: 820-00840-A No Boot

        no damege whater pcb in perfect condition

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