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Macbook Air 820-3437-B USB Power
Hi, i have a Macbook Air 2014 820-3437-B logic board with non working USB port, i have 5v on PP5V_S4RS3 on pins 2 and 3 but 0v on PP5V_S3_RTUSB_A_ILIM pins 6 and 7, pin 8 is 3v so i replaced u4600 but i still have no 5v on pins 6 and 7, i then checked USB_PWRT_EN on pin 4 and i got 0.80v, i then...- Shredplayer
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- Forum: Macbook Logic Board Repair Questions