Antminer S19 plus hash board troubleshooting for 22V boost circuit
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Antminer S19+ hash board 22V boost circuit composed of boost chip, inductor, rectifier diode and filter capacitor. It is used to cooperate with the DC control circuit to turn on the MOS tube. If the DC control circuit is normal, but the MOS tube cannot be turned on, it should be considered whether the 22V boost circuit is faulty. This video will demonstrate the circuit direction and measurement method of the 22V boost circuit.
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