Antminer S19 hash board 19V boost circuit

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Antminer S19 hash board 19V boost circuit

The Antminer S19 hash board consists of 38 voltage domains, among which, the LDO chips of the last 7 voltage domains are powered by booster circuits. The boost circuit of the S19 hash board boosts the input voltage from 14V to 19V output. How to troubleshoot if the boost circuit is broken? This video will explain in detail the repair ideas of the boost circuit and demonstrate how to measure the voltage.

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Antminer S19 hash board 19V boost circuit schematic diagram:

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