Antminer S9 hash board basics of the LDO powering circuit for the last 5 domains

Different versions of the S9 hash board will have different LDO powering circuits for the last 5 domains. The last 5 voltage domains LDO powering circuit can be divided a 14V boost circuit and a 12V power supply input voltage circuit. This tutorial video will lead you to learn the LDO 1.8V and 0.8V powering of the last 5 voltage domains of the S9 hash board and the troubleshooting ideas.

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