This Power Supply is dead. Can I fix it?

Published at : 23 Dec 2025

Thanks PCBWay for sponsoring this video: https://pcbway.com/g/M525r4
#smps #electronics #repair
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00:00 Intro
01:39 Overview
02:40 SMPS in a nutshell
06:09 Testing
07:59 Troubleshooting
08:32 Plot twist!
11:05 Probing the Controller
17:26 Duty Cycle
19:34 Thanking the Wizard
21:19 Aliexpress ICs
22:39 Removing the IC
23:17 More checks
25:19 Unexpected damage
27:28 Swapping the faulty parts
27:51 Testing
29:11 Capacitors
31:05 Load test
34:33 Outro