Whatsminer M30 series repair course

Whatsminer M31S hash board troubleshooting for domain and signal voltage

Whatsminer M31S hash board troubleshooting for domain and signal voltage It is very important to find the negative pole of each domain to measure the domain voltage and signal voltage of the M31S hash board. At this time, we must know the direction of voltage transmission. The theme of this video is to explain the measurement of the relevant voltage of the Whatsminer M31S hash board and the normal working voltage value.

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