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| {{stub}}
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| {{Repair Guide
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| |Device=Xbox One S
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| |Affects parts=Motherboard, PSU
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| |Needs equipment=Soldering Iron, Hot Air Station, Microscope, Multimeter
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| |Type=Soldering
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| |Difficulty=3. Hard
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| }}
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| == Problem description ==
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| <!--
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| Provide a concise description of the issue here. Be as specific as possible to help readers quickly determine whether or not this is the exact problem they are facing.
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| The Console does not turn on.
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| [[File:Placeholder image.jpg|thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it!]]
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| == Symptoms ==
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| <!--
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| Detail all measurable or observable symptoms in this section.
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| * The console does not turn on
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| === Diagnostic Steps ===
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| Usually an Xbox that shows no signs of life is due to a missing standby voltage.
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| The first voltage required is 12V, this line is produced from the power supply.
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| Connect your power supply to the motherboard and then to mains power with your multimeter measure the test point shown on the image below.
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| [[File:Xbox One S 12V input.png|center|thumb|481x481px|Xbox One S 12V input]]
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| If 12V is good we know the problem is not caused by the PSU.
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| The next important line to check is the 5V it is common to have a short here.
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| [[File:Xbox One S 5V Line.png|center|thumb|478x478px|Xbox One S 5V Line]]
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| The next line to check is 1.1V
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| [[File:Xbox One S 1.1V Standby.png|center|thumb|517x517px|Xbox One S 1.1V Standby]]
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| The next line to check is 1.8V
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| [[File:Xbox One S 1.8V Standby.png|center|thumb|508x508px|Xbox One S 1.8V Standby]]
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| The last main standby voltage to check is 3.3V
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| [[File:Xbox One S 3.3V Standby.png|center|thumb|528x528px|Xbox One S 3.3V Standby]]
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| === Repair Steps ===
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| If you find a shorted line on the motherboard with your DCPS inject a voltage into that rail and monitor the board under a thermal camera the component that is shorted will heat up. Be careful not to inject a higher voltage than the line is rated for.
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| If you find a shorted line on the motherboard with your DCPS, inject a voltage into that rail and monitor the board under a thermal camera, the component that is shorted will heat up. Be careful not to inject a higher voltage than the line is rated for.
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| [[File:Shorted U4C3.png|center|thumb|Shorted U4C3]]
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| If 12V is missing and the line is not shorted replace the PSU.
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| If 5V is missing and is not shorted replace U4C3.
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| If 1.1V is missing and is not shorted replace U4D4.
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| If 1.8V is missing and is not shorted replace U3D6.
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| If 1.8V is missing and is not shorted replace U4C2.
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| == Final Testing ==
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| After repairing the console, make sure it turns on fully and runs a game.
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