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/diy/ - Do-It-Yourself

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>> No.1794666 [View]
File: 137 KB, 1500x1125, ultra.jpg [View same] [iqdb] [saucenao] [google] [report]
1794666

Just got this PSU from a friend for free to be converted into a cheap lab bench power supply. However, when I try to short the Green and Black wires the unit won't start The unit works fine, was running in a computer prior to me receiving it. I've heard that there may be some sort of protection circuit and/or that the unit requires a dummy load



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