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    Macbook A2159 Apple Configurator 2

    Power consumption while reviving 4.42V 3.22A. I am able to put macbook into DFU mode. But Apple Configurator Revive error almost the same. Picture attached. Second Revive attempt gets stuck at 40% loading. Picture attached. Disconnecting the USB does not change the state of infinite loading of...
  2. Z

    A1989 820-00850-A 5V 0.03A

    diode mode PPBUS_G3H - 0.0, shorted to ground PP3V3_G3H_RTC - 0.423
  3. Z

    Macbook A2159 Apple Configurator 2

    Assembled, Apple Configurator - same error.
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    Macbook A2159 Apple Configurator 2

    1. Both usb-c 20V at .05A consistently 2. Coils measurements attached 3. Motherboard visible in Apple Configurator, screenshot attached, didn't try Revive yet, please advise
  5. Z

    Macbook A2159 Apple Configurator 2

    I took the motherboard from the body, we did not observe any burns or damage on the mainboard. But the USB C connectors were corroded, possibly shorted and we cleaned them and now both showing 20V 0.05A. Should we try to put back PCB and connect battery? Or these readings are not good? Check...
  6. Z

    A1989 820-00850-A 5V 0.03A

    Macbook A1989, no visible damage. Motherboard 820-00850-A Power button do nothing. All usb-c: 5V 0.03A Goal: get user data Please advise.
  7. Z

    Macbook A2159 Apple Configurator 2

    No history, no visible physical damage. Thermal images before any manipulation attached. Charging: 1. March 18 evening - I left macbook with plugged in charger, 20V ~2.5A 2. March 19 morning - usb tester showed 20V 0A, charger plugged off, Apple Configurator 2(v2.17) has the same error...
  8. Z

    Macbook A2159 Apple Configurator 2

    Macbook A2159, power button do nothing, black screen. Left top usb-c fast(0.5sec) turn on/off tester repeatedly, left bottom usb-c 20V2.5A, no usbs on the right side. Apple Configurator 2(v2.17) shows DFU icon, when press 'Revive' - error occurred "Unexpected device state 'Recovery' expected...
  9. Z

    Macbook A1534 EMC2746 20v 1.33amps Black Screen

    If there is CPU failure, is it fixable? Also how to check USB activity? Thank you.
  10. Z

    Macbook A1534 EMC2746 20v 1.33amps Black Screen

    We have an Apple Macbook Pro A1534 EMC2746 which seems to be working as it uses 20V and uses amps to charge battery. It is not in DFU mode, we tried to connect it and Apple Configurator does not see it. We do not know how to proceed and trouble this case. Can you please advise? please see...
  11. Z

    820-01949-07 stuck at 5v.

    Major Tom to ground control, change the U3100_X chip ?
  12. Z

    820-01949-07 stuck at 5v.

    Diode mode USBC_R_CC1 - 0.7 USBC_T_CC1 - 0.7 USBC_W_CC1 - 0.7 USBC_X_CC1 - 0.7 USBC_R_CC2 - 0.7 USBC_T_CC2 - 0.7 USBC_W_CC2 - 0.7 USBC_X_CC2 - 0.16 Previous post measurements was Voltages with powered motherboard at the corresponding connectors.
  13. Z

    820-01949-07 stuck at 5v.

    USBC_R_CC1 - 1.61V USBC_T_CC1 - 1.58V USBC_W_CC1 - 0V USBC_X_CC1 - 1.56V USBC_R_CC2 - 0V USBC_T_CC2 - 0V USBC_W_CC2 - 0V USBC_X_CC2 - 0V
  14. Z

    820-01949-07 stuck at 5v.

    One of the ports works only one side of the type-c. Pictures attached. We found small corrosion inside the connector on the motherboard. Pictures attached.
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    820-01949-07 stuck at 5v.

    Motherboard 820-01949-07 stuck at 5v - 0.03A(3ports) after water damage, 1 port doesn't power up. CD3217B12 were taken from a donor goal: get user data Please advise.
  16. Z

    MacBook A2251 water damage

    We decided to change CD3217B12 chips as 2 of them was looping. We soldered 2 new chips and now all ports showing 5v 0.03amps. How I can check if these chips are working? or how to proceed further to investigate the cause/ other areas with damages? Thank you.
  17. Z

    MacBook A2251 water damage

    MacBook Pro A2251 with water damage pictures of water damage attached motherboard 820-01949-07 goal: get user data Please advise.
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