Xbox Series X 3.3 V is 5V

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  • m4a2t0t
    Badcaps Veteran
    • Mar 2013
    • 279
    • USA

    #1

    Xbox Series X 3.3 V is 5V

    System turns on but shows no video.

    I included a picture of the area with the 3.3v point. I have 5 V coming directly out of the IC (buck converter?). Its part number is 568230 TI OC1 AS5N. https://www.ti.com/product/TPS568230

    I removed both resistors in the voltage divider on the FB pin and both show open. What values can I use to get the proper voltage on the FB pin?

    1 - 4.55
    2 -11.85 - Vin
    3 -11.85 - Vin
    4 -11.85 - Vin
    5 - 11.85 - Vin
    6 - 5.1
    7 - 0
    8 - 0
    9 - 0
    10 - 0
    11 - 4.3
    12 - 2.3 - EN
    13 - 0
    14 - .9 - FB
    15 - .22
    16 - 0
    17 - 4.96
    18 - 0
    19 - 5.1
    20 - 5.1

    Thanks
    Attached Files

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