Atx Power Supply Circuit Diagram Pdf. An annotated schematic of 250w atx power supply with active power factor correction pfc. Atx power supply schematic with active pfc author.
The letters of 494 can differ. An annotated schematic of 250w atx power supply with active power factor correction pfc. This is because without load the output voltages produced will become very high and this will trigger the protection circuit to shut down the power.
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