Antminer APW12 1215b main power circuit

Main power circuit is an important part of the Bitmain APW12 12V-15V b version, the 220V AC input voltage will finally output 15V DC voltage from this circuit and then power the Antminer S19j pro / S19+ / S19A pro / S19A / S19i / S19 hash board and ensure the hash board can operate properly. When repairing the APW12 PSU, it is essential to troubleshoot the main power circuit abnormal or failure.

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