Uploaded October 2024 | Updated September 2026, 1 week ago

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What's inside a cheap ATX computer power supply from a scrap yard, how does it work, why it was scrapped. Can I fix it? How to test SMPS components (transistors, diodes, electrolytic capacitors...).

The Fnirsi HRM-10 internal resistance tester:
fnirsi.com/products/hrm-10?sca_ref=9216013.ntkg5GeG0R&utm_source=af&utm_medium=ref&utm_campaign=9216013

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