Antminer S19j Pro hash board repair tutorial

Antminer S19j Pro 42601 hash board has a total of 126 ASIC chips, and every 3 chips form a domain, a total of 42 domains. The core voltage of each ASIC chip is mainly composed of domain voltage, LDO 1.2V and 0.8V. Its input voltage is 15V. This video will explain the basics of the S19j Pro hash board from the powering process of the hash board, the structure of the hash board, and the 5 voltages of the ASIC chip.

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