MacBook Pro M1 A2338 256/16 820-2020 Turns On but No Charge, stuck 5V

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  • mon2
    Badcaps Legend
    • Dec 2019
    • 14022
    • Canada
    #21
    Also,
    USBC0_CC1: 0V (using both ports)
    Remove all power. Meter in DIODE mode. Red meter, yes red to ground. Black meter probe to the point to test.

    Measure the USBC0_CC1 pin anywhere you can in DIODE mode. Post your measurement.

    We are checking if perhaps the ESD diode @ DZF666 is defective.

    Click image for larger version Name: TVS_ESD.png Views: 201 Size: 165.8 KB ID: 3290927

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      • Daniel M
        Member
        • May 2024
        • 13
        • Costa Rica
        #22
        Originally posted by mon2
        Also,


        Remove all power. Meter in DIODE mode. Red meter, yes red to ground. Black meter probe to the point to test.

        Measure the USBC0_CC1 pin anywhere you can in DIODE mode. Post your measurement.

        We are checking if perhaps the ESD diode @ DZF666 is defective.

        Click image for larger version Name: TVS_ESD.png Views: 201 Size: 165.8 KB ID: 3290927


        Hello, sorry for the delay. My wife and I had an accident on a motorcycle.. seems like it's been a lot of rainy days for me lately.

        It tests .482V at CF413

        The (seemingly) equivalent CF513 tested .51V

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