Whatsminer P221C PSU auxiliary power circuit
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In the MicroBT P221C PSU, there are 2 auxiliary power circuits, which are also the more complex circuits in the P221C power supply. Therefore, in this lesson, the circuit layout on the PCB will be explained in detail and a multimeter will be used to demonstrate how to troubleshoot. Learn the working principle of the P221C auxiliary power supply area and complete maintenance work independently.
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