LED tester troubleshooting, low/no power, masked SMPS driver IC : r/AskElectronics
![368] How to find any Unknown SMPS / PWM IC Number, SG5841J PWM Controller Equivalent OB2268 OB2269 - YouTube](https://i.ytimg.com/vi/34IfLAxUBrs/hqdefault.jpg "368] How to find any Unknown SMPS / PWM IC Number, SG5841J PWM Controller Equivalent OB2268 OB2269 - YouTube")
368] How to find any Unknown SMPS / PWM IC Number, SG5841J PWM Controller Equivalent OB2268 OB2269 - YouTube
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Need help identifying this IC. It is in a Chinese SMPS and labeled “3486D” with “9JCO” under it. Google search turns up nothing that matches. : r/AskElectronics
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