HomeBrewLamps Posted May 17, 2021 Report Share Posted May 17, 2021 (edited) Long story short While modifying my Xbox, I accidentally shorted out the 5 volt rail. Now the thing doesn't turn on. I'm wondering what exactly I killed on the power supply. I checked the fuse near the 120Vinput and it appears to have continuity. I notice basically right next to the wires for 5v there appears to be a regulator or a mosfet. Perhaps it just needs a new mosfet? The short only occurred for less than a second. Personally I find it kindof rediculous how it killed it so quickly but nonetheless. Needs fixing now. Also on another note. I know this is a long shot, but could the power supply from an Xbox Revision 1.0 be rigged into a newer box. I see that the connector for the old Xbox is only 12 pin and the newer one is a 20 pin ATX. What crossed their minds to change over to the ATX power supply? Edited May 17, 2021 by HomeBrewLamps Quote Link to comment Share on other sites More sharing options...
SS_Dave Posted May 17, 2021 Report Share Posted May 17, 2021 I don't think that mosfet will have failed. What did you short the 5 volt to ? can you test the voltages on the different pins according to your model of main board And post a full pic of the PSU Cheers SS Dave Soft modding is like masturbating, It gets the job done but it's nothing like the real thing. Quote Link to comment Share on other sites More sharing options...
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