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XBOX original xbox motherboard v1.6 won't turn on

JustAnyone

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About a year ago, I've been using my xbox normally and next day I tried to turn it on, but there were no signs of life. I had another xbox v1.6, which was working so i took psu from there, didn't help. There is no signs of corrosion, broken traces etc. Anyone knows what is wrong with it?
 

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Holy shit, this is Deja Vu. I think I may know what's happening. It's probably an issue with some Capacitors. I have the same issue, which I haven't replaced yet. If you have Soldering Skills, try ordering some new Caps & replacing them. From what I've gathered, get a few Nichicon 6.3V 3300uf Capacitors. I had someone help me track the issue. The pic included below, The Caps are circled, Those Caps should be causing problems. In my case, they're bulging. You can kinda see Orange stuff on the caps.
 

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JustAnyone

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those caps actually look like non-leaking but okay i will do that, i had to do this for another motherboard, or at least i will recheck them with a tool.
 

JustAnyone

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15640563567834257015223077797710.jpg

here is how mine looks like
 

APE

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Holy shit, this is Deja Vu. I think I may know what's happening. It's probably an issue with some Capacitors. I have the same issue, which I haven't replaced yet. If you have Soldering Skills, try ordering some new Caps & replacing them. From what I've gathered, get a few Nichicon 6.3V 3300uf Capacitors. I had someone help me track the issue. The pic included below, The Caps are circled, Those Caps should be causing problems. In my case, they're bulging. You can kinda see Orange stuff on the caps.

Your image is too small for me to tell,"orange stuff" doesn't come out ofcaps in my experience, not by a long shot. More likely it was something added at the factory.

That said, the XBox is old enough for recaps to be needed. I believe the clock cap not being there will stop the 1.6 from booting but I don't keep them around long enough to be certain. If you're going to recap be careful as the XBox will suck up heat and make it really hard to use braid or even a pump. Really should use a desoldering gun I feel.
 

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Your image is too small for me to tell,"orange stuff" doesn't come out ofcaps in my experience, not by a long shot. More likely it was something added at the factory.

That said, the XBox is old enough for recaps to be needed. I believe the clock cap not being there will stop the 1.6 from booting but I don't keep them around long enough to be certain. If you're going to recap be careful as the XBox will suck up heat and make it really hard to use braid or even a pump. Really should use a desoldering gun I feel.

By "orange stuff", I mean the chemicals leaking out. I should also mention that I had cleaned those caps with a Q-tip before taking that pic.

I zoomed into the pic. It might not be that noticeable, but you can kinda see Orange Pixels on the edge of the caps.

Edit: Having technical difficulties with the Image.
 

APE

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Still not quite sure what it is, photo quality is too low but I'd replace them anyway. I don't think electrolyte can cause rust but maybe that's what you've got here.
 

Tokimemofan

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Still not quite sure what it is, photo quality is too low but I'd replace them anyway. I don't think electrolyte can cause rust but maybe that's what you've got here.
And of course they don’t have to bulge to be bad either. Those caps are filters for the cpu, they are all wired in parallel. It doesn’t take much to screw that up and they are well known to fail
 

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Mine didn't even looked bad, but they were faulty. Replaced them with the highest quality ones than can probably survive next to the sun (kidding).
 

Greg2600

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Probably a bad trace.
 
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