Hardware Power supply from pc power supply unit

MO35AB

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Hi
i thought its about time we talk about this, i am making one for my xbox one, cause i had a really messed up power supply, and the original one from microsoft is so expensive, so anyone can help ?

i found this tutorial here

but its not well explained, and the schema is weird, can anyone at least tell me how to test it, then the trigger and stuff can wait, i have no issue with that.
 

MrCokeacola

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Wouldn't this cost more than getting a replacement third party power supply? You can even use a 360 S power supply with the help of a couple dollar adapter to work on Xbox One.

...or
 
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MO35AB

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Wouldn't this cost more than getting a replacement third party power supply? You can even use a 360 S power supply with the help of a couple dollar adapter to work on Xbox One.

...or

yeah i thought so at first, got a third party one, now i can't play on high graphic games, only small things and youtube, anything higher, the xbox will turn off.
 

MrCokeacola

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yeah i thought so at first, got a third party one, now i can't play on high graphic games, only small things and youtube, anything higher, the xbox will turn off.
Sounds like you bought a dud power supply. Surly you bought if from somewhere reputable so you can return it and get another one...?
 

MO35AB

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Sounds like you bought a dud power supply. Surly you bought if from somewhere reputable so you can return it and get another one...?

no, it has long time, i didn't bought it myself, plus we figured the problem only few weeks ago.
i like the idea to use a 350 power supply, i ll see how much it coasts, but guys online have been reporting some problems even with original power supplies ! true ?
 

MrCokeacola

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no, it has long time, i didn't bought it myself, plus we figured the problem only few weeks ago.
i like the idea to use a 350 power supply, i ll see how much it coasts, but guys online have been reporting some problems even with original power supplies ! true ?
Ya any power brick can stop working. The Xbox One came out in 2013 the power supplies are getting old. Plus they have fans inside them as well that stop working. My friend actually replaced a fan in a Xbox One power supply recently that failed.
 

MO35AB

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first, i had a PC power supply, i wanna make sure that the problem is the old third party power supply.
connected Yellow to yellow => 12 V 18 A
black to black => GND
red to red => 5v
blue to purple => 5VSB
then tried : blue to gnd.
grey to black => gnd

and its not working.
little help please :wacko:
 

tech3475

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first, i had a PC power supply, i wanna make sure that the problem is the old third party power supply.
connected Yellow to yellow => 12 V 18 A
black to black => GND
red to red => 5v
blue to purple => 5VSB
then tried : blue to gnd.
grey to black => gnd

and its not working.
little help please :wacko:

To clarify, you also added the additional components required per the guide you linked to and not just connect the cables?
 
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MO35AB

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To clarify, you also added the additional components required per the guide you linked to and not just connect the cables?

the additional components mostly are just to use the xbox one power on ( using red and blue) to power on the pc power supply.
and it used to work with a prior pc 140w power supply, that's why i recreated same scenario using a 450w one.
 

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The 360 power supply works fine. My original Xbox One brick died so I cut off the end and soldered it onto the 360 one, plays games like Forza Horizon 4 no problem. Also with the aftermarket ones you have to watch the voltage ratings. Out of both eBay and Amazon only one Chinese brick matched the specs of the original power brick.

Btw that video showing the modification of the P/S looks terrible with marrettes. Just solder and shrink tube all the wires, cover with loom and tape. Looks much nicer and your connection wont be compromised by moving around the cord.
 
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MO35AB

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thank you guys really !
i am determined to fix it using power supply form 360 or a pc one, the original is highly expensive here, and also not available -_-
also there is another thing i didnt discuss with you, the original power supply, both capacitors are dead, they can be replaced, but the small parts (diods transistors & resistors) in the back, are all black, any chance fixing it ?
 

MrCokeacola

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thank you guys really !
i am determined to fix it using power supply form 360 or a pc one, the original is highly expensive here, and also not available -_-
also there is another thing i didnt discuss with you, the original power supply, both capacitors are dead, they can be replaced, but the small parts (diods transistors & resistors) in the back, are all black, any chance fixing it ?
No, sounds like it's done.
 
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6adget

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I haven't read all the posts in this thread, but if you are going to use a PC power supply you will need to use a jumper going from the green wire, to any black wire. the green wire you are looking for will be in the large connector that connects to the motherboard. a paper clip works. The green wire is what turns on the power supply when you turn on your PC. You can also google "how to jump a PC power supply".
 
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MO35AB

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I haven't read all the posts in this thread, but if you are going to use a PC power supply you will need to use a jumper going from the green wire, to any black wire. the green wire you are looking for will be in the large connector that connects to the motherboard. a paper clip works. The green wire is what turns on the power supply when you turn on your PC. You can also google "how to jump a PC power supply".

thanks, i did that.
 
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