Antminer S19 plus hash board troubleshooting for LDO powering

There are a total of 10 voltage domains on the Antminer S19+ hash board, and the LDO power supply consists of 2 parts. Voltage domains 1 to 9 contain one LDO1.8V chip and three 0.8V chips, and the LDO powering is provided by the domain voltage; The voltage domain 10 has two 1.8V chips and two 0.8V chips, and the LDO power supply is provided by the boost circuit. This video will explain in detail the different principles of the two parts of the LDO powering.

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