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    820-02020 A2338 - 20V on USB but no charging

    Thanks! 2 questions, and sorry about that I’m quite new to macbook repairs. Usually I do consoles and stuff. 1) is there a source to source UD200 / 1 ? I don’t have a donor as Im not a repair shop. Soldering is no problem. 2) DFU I tried, I have another working m1 I repaired and I put the...
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    820-02020 A2338 - 20V on USB but no charging

    oops sorry: SDA on RD203 = 0.522 CDL on RD202 = 0.530 SDA on RD201 = 0.308 SDA on RD200 = 0.308 SDA on RD208 = 0.473 SCL on RD207 = 0.476
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    820-02020 A2338 - 20V on USB but no charging

    Measures without battery connected Voltage: SYS_DETECT 3,8V SYS_DETECT_L 0V 1.8V SDA on RD203 left side 1.8V SCL on RD202 left side around 1.3V SDA on RD201 bottom side around 1.3V SCL on RD200 top side 3.3V SDA on RD208 3.3 SCL on RD207 Diode Mode: SDA on RD203 = 1.89 CDL on RD202 =1.89...
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    820-02020 A2338 - 20V on USB but no charging

    Measures without battery connected SYS_DETECT 3,8V SYS_DETECT_L 0V 1.8V SDA on RD203 left side 1.8V SCL on RD202 left side around 1.3V SDA on RD201 bottom side around 1.3V SCL on RD200 top side
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    820-02020 A2338 - 20V on USB but no charging

    copy paste mistake ofc 820-02020 (A2338)
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    820-02020 A2338 - 20V on USB but no charging

    Hi there, I have a m1 2020 (battery was completely flat, would not power on)which gets 20V over USB Charger but with almost 0A draw (0.04A) with battery removed board only. Sometimes goes a bit up. I moved the board to a working case and it powers on loads accounts etc but doesnt charge...
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