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    A1534 / Charging fine/ Apple logo didn't disappear from the screen

    Hi guys, I have A1534 MacBook. Charging fine. Turns on and off fine, I hear chime but it stuck at Apple Logo screen and not goes further. Goal is to get user data. Please advise. Thank you.
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    A1990 820-01041-A 5.12V 0.17A

    MacBook A1990 with touchpad, no visible damage. Motherboard 820-01041-A Power button do nothing. 4 UCB C: 5.12V 0.17A Goal: Get User data. Please advise.
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    A2159 820-01598 5V 0.17A

    Yes, I already checked and it is not detected
  4. Z

    A2159 820-01598 5V 0.17A

    Macbook A2159 with touchpad, no visible damage. Motherboard 820-01598 Power button do nothing. 2 UCB C: 5V 0.17A Goal: Get User data. Please advise.
  5. Z

    A1989 820-00850-A 5V 0.03A

    12V on the C7050, put F7000 back, assembled, Apple logo, works. Thank you very much.
  6. Z

    A1989 820-00850-A 5V 0.03A

    Yes, short remains on C7050 side, no reason to check voltage there. ...a few moments later... I inspected the elements and found a capacitor C7053 with a black dot, the top part of which broke off when touched. Soldered it out, checked its 0 ohm, and now short is gone. Do I need to look for a...
  7. Z

    A1989 820-00850-A 5V 0.03A

    F7000 removed, short is gone. power on usb-c, C7050 - 0 voltage, usb tester shows 5V 0.03A
  8. Z

    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...
  9. Z

    A1989 820-00850-A 5V 0.03A

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

    Macbook A2159 Apple Configurator 2

    Assembled, Apple Configurator - same error.
  11. Z

    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
  12. 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...
  13. 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.
  14. 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...
  15. 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...
  16. 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.
  17. 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...
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