Uploaded November 2024 | Updated September 2026, 1 week ago

---

Repairing a 15V 300W switching power supply module from a battery charger. How to test a SMPS and its components, how to find the fault.

0:00 - Intro
0:25 - SMPS component description
2:29 - SMPS diagnostics without power
11:30 - SMPS diagnostics with power
16:52 - Replacing faulty components
18:49 - Post-repair verification

The FNIRSI multimeter:
fnirsi.com/products/dmt-99?sca_ref=9216013.ntkg5GeG0R&utm_source=af&utm_medium=ref&utm_campaign=9216013

The DPOX180H oscilloscope:
fnirsi.com/products/dpox180h?sca_ref=9216013.ntkg5GeG0R&utm_source=af&utm_medium=ref&utm_campaign=9216013

Please support my channel on Patreon:
patreon.com/DiodeGoneWild

Instagram:
instagram.com/savage_danyk