Antminer S9 hash board basics of the structure and powering

Antminer S9 hash board repair is the main course for learning ASIC miners. How to repair Antminer S9 hash board? First, we start by learning the structure and power supply process of the S9 hash board. When the S9 hash board cannot work normally, the first step is to check whether its input voltage and DC-DC step-down circuit are abnormal. The S9 hash board repair tutorial video takes you to learn its fault diagnosis.

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