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
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