Antminer APW9 and APW9+ Power Supply Repair Guide Apw9 Apw9+ is a high-power PSU with 2 single-phase AC inputs and 2 DC outputs. 1: 14.5v-21v voltage adjustable output, maximum current 170A 2: 12v voltage fixed output, maximum current 12A The circuit board layout is mainly divided into: 1A - The first AC input and EMI circuit 1B - PFC and MOS circuit 1C - 12V auxiliary circuit and VCC circuit 2A - 2nd AC input and EMI circuit 2B - PFC and MOS circuit 2C - 12V auxiliary circuit and VCC circuit 2D - 12V output port and PIC communication port The vulnerable parts of PSU are: fuse, MOS, rectifier bridge A more detailed circuit diagram is provided in the document for Reference See more details here Antminer manuals and repair guide
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