Antminer power supply repair course

APW12 1215b fan optocoupler feedback and control circuit

APW12 1215b fan optocoupler feedback and control circuit The fan powering voltage on the Bitmian apw12 1215b power supply is 12V. When the fans are running normally, it will provide feedback to the No. 2 auxiliary power chip through this optocoupler feedback circuit; in turn, the No. 2 auxiliary power chip will also control the voltage so that it supplies power to the three fans at a s voltage.

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Spring Festival Holiday Notice

Dear students,
Hello everyone, as China is about to usher in the Spring Festival, our company is scheduled to start the Spring Festival holiday from January 21 to February 4, 2025 (GMT+8). The course tutors will reply to you when they see the message. Please forgive them if they fail to respond in time. Thank you for your support and trust in 2024. In 2025 and the future, the ZMRC team will continue to offer you more professional courses and technical support.
Best wishes,
ZEUS MINING CO., LTD


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