Easy Xbox Series X Overvoltage DIY Repair: Swapping a Blown Metal Oxide Varistor

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In this video, I'm repairing an Xbox Series X that experienced overvoltage, resulting in a blown Metal Oxide Varistor (MOV). This is a step-by-step video that shows you exactly how to replace the faulty component and get your console up and running again. While this process is straightforward for those familiar with electronics repair, it is important to understand that this fix requires a level of proficiency in handling electronic components and an understanding of mains voltage and the dangers that come from it. You should attempt this repair under your responsibility only if you fully know what you are doing.
The repair guide walks you through identifying the blown MOV, safely dismantling your Xbox console power supply, and replacing the faulty varistor.
But what exactly is a Metal Oxide Varistor, and why is it so important to your Xbox’s health? An MOV is a critical component designed to protect electronic devices from voltage spikes. Whenever there's a surge, like from lightning or power fluctuations, the MOV acts like a pressure release valve, absorbing the excess energy and preventing it from damaging the device. It's a tiny part that plays a significant role in safeguarding the intricate electronics within your Xbox Series X.
Unfortunately, MOVs can blow if they encounter a surge beyond their capacity, or just from wear and tear over time. When this happens, your console may not power on, and an overvoltage fault is often to blame.
Check the video to learn more about the repair and see how you can fix yours.
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Easy Xbox Series X Overvoltage DIY Repair: Swapping a Blown Metal Oxide Varistor
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[@hirschi4514]

Really nice video! Could you tell us, which replacement fuse you've been using? Thanks

[@TasteTheCode]

I'm showing the fuse at 9:53 I found it on a donor PCB so that is what I had on hand.

[@АлександрКлепнёв-ш1щ]

какой варистор используется?

[@TasteTheCode]

14S471K

[@Drenixx]

That was a fun repair to watch 👍 the heat sink seems to use just standard thermal pads.

[@TasteTheCode]

Thanks! I wasn't sure how they were called. Thanks for clarifying!

[@zorancvetkovski8753]

Nice job