Optocoupler feedback circuit in P221C number 2 auxiliary power area
-
The optocoupler feedback circuit in the No. 2 auxiliary power area of the P221C PSU consists of MOS tube, optocoupler, and the No. 2 auxiliary power chip. This circuit is used to feed back the voltage of the miner fan interface and power supply fan interface to the No. 2 auxiliary power chip. This video will demonstrate how to measure this optocoupler feedback circuit.
Click To Watch {{ is_submit ? 'View Test' : 'Click To Test' }}
{{ item.name }}
Answer: {{ item.answer_txt }}
Analysis: {{ item.analysis }}
China Mainland
Hong Kong
Business Hours: (GMT+8) 08:30-20:00 Mon to Sat
Company Phone: +86-023-72227777
Spring Festival Holiday Notice
CLOSE
Dear Friends,
Hello everyone, as China is about to usher in the Spring Festival, our company is scheduled to start the Spring Festival holiday from February 12 to February 23, 2026 (GMT+8). Our pre-sales customer service and course tutors will reply to your message as soon as possible. Please understand and forgive us if we are unable to reply promptly. Thank you for your support and trust in 2025. In 2026 and the future, the ZMRC team will continue to offer you more professional courses and technical support.
Best wishes,
ZEUS MINING CO., LTD.
CLOSE