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820-3208-A green light no fan spin

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    820-3208-A green light no fan spin

    Hi,

    i have macbook air 820-3208-A that have green light and then became orange light but no fan spin. already change U7000 and U7201 but still the same.
    here are some measurements:

    PPBUS_G3H = 8.36V
    PP3V42_G3H = 3.435V
    PP5V_S5 =4.84V
    PP3V3_S5 =0V
    PP3V3S5_VBSTR = 4V
    P3V3S5_LL = 0V
    PP3V3S5_EN_R = 3.43V
    PP3V3S5_DRVL =0V
    PPBUS_S5_HS_OTHER_ISNS = 8.36V

    is it my u7000 and my u7201 is bad?

    #2
    Re: 820-3208-A green light no fan spin

    Have you checked for shorts on PP3V3_S5?

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      #3
      Re: 820-3208-A green light no fan spin

      Originally posted by reformatt View Post
      Have you checked for shorts on PP3V3_S5?
      PP3v3_S5 is 22K ohm

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