Whatsminer M20S hash board repair tutorial basics

Whatsminer M20S hash board has a total of 105 KF1921 chips, the input voltage is about 13V, and the interlayer voltage is about 0.35V. The main powering of this hash board includes: PSU input voltage, booster circuit and LDO powering. The boost circuit is to boost the 13V voltage to 17V. This video mainly explains the powering process and signal transmission of Whatsminer M20S hash board.

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