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ATX Power Supply Repair https://go.hotmart.com/S22724924G My Products: https://www.fonteatx.com.br/ Let's do some tests on the TL431 IC, which is that small IC that looks like a BC548 transistor and is located near the standby transformer in an ATX PC Power Supply. In this video I will show how this IC works so that everyone can understand in an easy way, how it behaves in a voltage regulator circuit and we will do some tests to identify possible defects in the circuit. All videos: / amoravidas Become a Member: / @fonteatx