XBOX One S No Power with Good Power Supply. Diagnosis and Repair Tutorial

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Hot-Air Rework Station: Quick 861DW - amzn.to/3lacaHS
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Serial to USB Adapter: DSD FTDI FT232L - amzn.to/3fbXzrw
Soldering Iron:
Control unit: JBC DDE-2B - amzn.to/3ldECIT
Handles: JBC T-245A
Handle Stands: JBC HD-SD - amzn.to/3BQF6KO
USB Power Meter: Uni-T UT658-Dual - amzn.to/3zPmN6Y
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This video shows the repair of an XBOX One S console which has no power. It does have a good, working power supply (PSU) so what gives? Here we check the board over, find a 12v rail short and then go ahead to examine the components in the APU power supply circuit where we find an issue which is stopping our console from powering up.
The replacement MOSFETs required are Toshiba TPN8R903NL,LQ.
Many thanks for watching this video - if it helps then please COMMENT, LIKE and SUBSCRIBE for more content like this.
If you're a new viewer then please check out the rest of my channel - I have over 100 videos on the channel focusing on PS4 / XBONE / Apple Macbook and iPhone repair.

[@TheRealN.T]

No body has ever made me feel so guilty about not hitting like or leaving a comment. I gain so much knowledge from these that anytime he ask for a like or comment I feel so obligated. Seriously thanks dude.

[@Tronicsfix]

Love the vid! I always learn from your videos. Congrats on the channel growth too! Just had one with this exact problem yesterday.

[@johny1220]

Lol you learn from him, and I learn from you man 😂

[@johnwilliamson8367]

Love the support TronicsFix gives

[@godidiful]

Practical, fast and objective! That's why I love this channel! Thank you for passing your knowledge!

[@uno_122]

I very rarely leave comments, but I had to comment on this. This video helped me tremendously and I was able to get my nephew's xbox for him running again. I learned a lot from this, and wanted to say thank you.

[@gmaninthusa]

Thank you andrew. Just got my One S working thanks to this.

[@melannieworld]

I've been seen your videos for a few years, love the energy. I also, like the way you actually explained, how things work together.

[@reneescobar4081]

I followed his process here and I fixed the same issue in twenty minutes thanks for posting great videos

[@alexsnow8894]

I had xbox one sitting dead for some time. I knew where to look but didnt know how to test. This video showed everything I need to know. Thanks!

[@edgarsalas7495]

I received a water damaged xbox, your video was the first one. Found the problem immediately. Thank you so much!!!! You're the shit!!!

[@mrtwat478]

Love your videos Andrew, you have rekindled my love for electronics. Some of the best explained videos about Xbox problems on KZbin. Thanks

[@FraserCow]

This guide helped me fix an Xbox One S I bought on ebay, thanks for making it!

[@lmeza1983]

I just found this channel and is gold! Wish I knew to diagnose, desolder and solder like that.

[@ernestopacheco3474]

You are the best and you know it!!!! I fixed mine 1 hour ago same mosfet same lane. Thank you mate.

[@SamJ1000]

Amazing video. I watched it and believe it or not the Xbox I bought had an identical issue. Another commenter put the link on for the replacement chips, I got 30 for £5 next day delivery. Used my dads hot air rework tool. Repaired entirely from chips arriving (ok motherboard was already out) to running in less than 5 minutes. Thank you so much. You’re awesome. Keep up the good work.

[@mshockey22]

Cheers sir. Always like to check out your videos. Had a One S a while back with no power that got left with me. Will need to try this out in the morning and see how it goes. Thanks for your knowledge!

[@niinjaslayer6394]

Your videos are simply the best, I am starting to micro solder myself and am working on game consoles as my daily job. Thank you for all of your instructional videos.

[@robevenegas]

Great job Andrew, keep the hard work... I subscribed 👍

[@richardstone8615]

I’ve been watching you for a while and your content is golden ✊🏼

[@AndrewPaul]

Cheers mate :-)

[@danicuevas4334]

Love the video!! I'm very new to fixing consoles but I really want to continue my father's legacy. hopefully I can watch more useful tutorials from you in the future. ;)

[@TheSylverBaLou]

Great video I like the way you've gone into detail on diagnosing the problem & repair

[@shifty2755]

I love details. Therefore I love your videos.

[@trazden1]

Love your work mate!

[@redxphoenixx]

Great job!! This was an amazing video I’m so glad I found this and your channel. Keep up the great work!

[@geoffreyhirst9018]

What a good video, you explain everything in detail and made it very interesting.

[@tenacious645]

This video was such a big help! Thank you!!

[@brentvance9090]

Duuuuuuude, this video was spot on to my problem. I thought I was going crazy - every video was how to fix the power supply, but I knew the power supply was good.

[@savedbygod6093]

Just done this now and fixed my daughters xbox thank you I've never done anything like this before Great video

[@louispd6828]

Thank you for explaining everything step by step, you are a good teacher...

[@SlevinKalevera]

Man... I needed this!

[@PatrickRibbsaeter]

what a awesome explained video.. thank you Andrew..

[@serviplay]

GOOD JOB PAUL.

[@jamesmuchelenganga4799]

8 months ago i lost my xbox 1. I quickly replaced tee power supply with a new one but the console did not turn on. I got a donner xbox 1s from a friend. Today i found ur video armed with a multimeter and your video, tested all 3 regulators. 1 was faulty. I replaced the faulty one and the xbox worked. Thanks a million brother. Very precise tutorial and to the point.

[@AndrewPaul]

Thank you my friend. Great work on the fix!

[@h0m3rj5]

First of all thanks for a straigh to point amazing video. I would like to mention though as a compliment, you would make a great football comentator, honestly. You have a football comentator voice mate, natural. I enjoy listening to you :-)

[@MINERAL-115]

Excellent video, thank you very much, Andrew. Got a console in with the same issue - one of these mosfets blew (lane to the right of the one in the video) and took one of the capacitors with it. I'd had not been able to identify the issue without your video! My hot air station doesn't seem to have enough power/airflow to remove the current one, so I've ordered something with a bit more grunt. Fingers crossed the surge hasn't taken anything else with it, as I've never worked with larger surface mount chips before. Wish me luck!

[@shanebrookes1878]

Super video!!! Enjoying them

[@NazarKhan-em4gz]

I followed his process here and I fixed the same issue in twenty minutes thanks for posting great videos. Thanks for explaining so precisely ..

[@AndrewPaul]

Glad this helped - thank you very much for watching! :)

[@horlixs]

Great Video, love watching these. :-) Also in case you missed it i did reply to your email re the Ultimaker board and sent a couple of photos attached. Thank you.

[@jaybee4794]

Thanks again . Your video is very helpful.

[@AZWorm41]

Thank you very much for your clear and concise instructions. Thanks to your video I was able to diagnose and fix my son's system. 👍👍

[@trevtaylor5558]

Cheers mate. The MOSFETs on my box had read 709 on 2 and 0 on 1

[@retrowaynie7193]

Nice vid, very informative.

[@Night_Rider83]

Ive been clueless on what is wrong with my Xbox, this video has really helped! Unfortunately the next chip along from the middle is also showing no signs of life so will have to replace it too. But now i know how to fix it, i was contemplating on selling it as parts but you motivated me to keep going. Thank you!

[@MrNigel1340]

Hi Andrew, thank you for an excellent video, having a look at a friends this morning with this problem, Kind Regards Doc Cox.

[@DarkKnightTJ]

Great repair!

[@CaioGames360]

Ótimo vídeo! Parabéns!

[@shreeervin2884]

can you repair mine it powers off 3secs after i turn it on it started doing that after i did a thermal replacement

[@keenanperks9678]

This is the video I've been adventuring far n wipe on KZbin for and finnaly...turns out my dad has watched it and will get to it soon🤣😂

[@markduddle8920]

Excellent video Top man

[@los3bmx]

Great video Andrew Paul, after watching it i had to subscribe and I want to learn more from ur videos. Thanks 🙏 keep up the good work.

[@AndrewPaul]

Thank you for the sub!

[@rhonp2986]

@@AndrewPaul isit possible to give me the value of the mosfet so that i can buy. The problem on mine is that when you press power button it will light up for a sec and goes off. Thanks Andrew

[@microgamingrepairs1981]

Ordered 9 of these mosfets just after watching this video for a repair I have coming in tomorrow, cheap enough so if the XBOX One S that I am receiving tomorrow isn't fixed with these then it's no big loss. Thanks for making these videos. Edit: turns out it was not one of the mosfets, 12V to ground short stayed even with removing all 3, most likely a Southbridge or APU issue which now isn't really worth fixing.

[@bossjs3830]

you saved my xbox thank you so much for this awesome video spent 20 on spare motherboard and it was exactly what you said

[@craigrennie5458]

Genius love your channel I know nothing about this subject but I find it so intresting thanks for great uploads God I wish is sent my Xbox to you instead off throwing it thumbs up

[@Madmax714211]

THANKS, HELPFUL VIDEO!

[@mrcmjeffs0128]

Thanks so much i followed every instruction perfectly it really works i so happy thanks again

[@jhonlopez3383]

Great work, thanks for share

[@davidmasterton8823]

Great video again mate, just wanted to know if you repair iPad boards as well?

[@razamadaz3417]

Nice explanation matey. I've got a gtx 980m and I think the mosfets gone. I get my multimeter tommorrow and had no idea what to look for, before now that is....Thumbs up.

[@Joydivider1]

Impressive skill level and professional demeanor. I hope my x box one lasts. The only Microsoft console thats lasted more than three years is the original x box and that has a failed clock capacitor. I wish I could diagnose and repair to this level. I usually just buy another console or swap boards...Best Wishes

[@sapper986]

My Xbox one went in to repair the board. Yet my 360 is still working !!

[@benwrong6855]

Cheers for the info x

[@jackofalltrades1125]

Thanks for the excellent videos, I love watching and learning at the same time, but could you please let me know what flux you use? And a good soldier for hdmi replacements and other pcb work. Hope to hear from you.

[@Finditfixitphilipit]

You andrew are a genius. Ill go off and test the one i got laying in the cupboard if i need a mosfet ill give you a message bud. Phil from wisbech

[@pescs334]

Well done video m8

[@Mantasrb]

Wonderful video! Rarely leave comments but I wanted to do so to express my thanks. I haven't yet tackled my troublesome Xbox but I would like to know what kit you recommend to get me up and running in the world of electronic repairs? Many thanks!

[@raphaelmphiri1891]

Learnt a lot from you

[@paulmendota]

great knowledge thank you

[@madcatmolly]

Thanks for this video it’s awesome. I’m a qualified electrician and I have just diagnosed a faulty mosfet, credit to you. So I am going to attempt this repair. If this repair doesn’t work do you have any other suggestions that may help. And would I get away with a heat gun? It’s got 3 settings but it’s not precise.

[@wasiuwahab8183]

Thanks for the video

[@lukes317]

Hey Paul! I learn soooo much from your videos! I have a question though. Someone gave me an xbox one s board with a missing NAND chip. Is this replaceable or would I have to flash it.

[@MrBarrymiles]

Loving the videos what is the mosfet you replaced please

[@TheDjandriek89]

Amazing brow

[@NEQUIZ]

muchas .. muchas gracias. muy claro y muy consiso. saludos desde Mexico

[@chrisbohner2235]

Great video! Do you have a list of the part numbers you use? I need to replace one my MOSFETs and want to be sure I'm using the right one.

[@seansweeney9864]

Very thorough video. Is there any site you can recommend to buy electronic replacement parts?

[@nikeshgupta8362]

Hey Andrew nice video , i have fixed some of these where the mosfet would blow again so i would change the PWM controller too and it would sort it out :)

[@larsltz1326]

Hey, do you know where i can get the Mosfets from?

[@rickh2364]

Nikesh Gupta What is a pwm controller? Is that what controls the fan speed?

[@DennisMeerveld]

@@larsltz1326 cgi.ebay.nl/ws/eBayISAPI.dll?ViewItem&item=153166508040 It would be better if we could find these at digikey or farnell, but no luck so far

[@reneescobar4081]

I replaced the mosfet blew again

[@reneescobar4081]

Pwm controller what's that

[@lynchpyn7805]

Another great video, best one out there in regards to board level power issues. I currently have a motherboard with a fault on the PMIC GASAS1640, have you done any videos that relate to this? My problem is that pin 1 trace for whatever reason is gone, how would you repair something like that?

[@kieran5909]

@Andrew paul where do you buy these chips from? I see RS Components do an alternative as others have suggested, I see your in west yorkshire, I'm from Huddersfield. Love the video, I was about to bin my xbox after reading forum and using youtube on how to fix this and none of them went down this route, I thought I had a bad power brick until I tested it and it was fine. This was just a recommended video, alas.... youtube has actully recommended a useful video.

[@Yourdaywillcome]

The best 👍

[@NemesisMerlin]

Love all your videos. You are my last and first stop when I am stumped. So if a system has good power supply and no short to ground that would normally be the power controll IC? Just looking for a starting point for testing.

[@BlockABoots]

Great video, very informative. I have an Xbox One S that powers on for a few seconds and then powers off again do you think this would also be a bad Mosfet as in this video?

[@ProfessorAbe]

Mine does the same, did you ever figure out the problem?

[@Urbanex2u]

Good work good info nice 1

[@hitwho6]

Wow I had the exact same issue as you, and got this system working. Customer spilled apple juice on their console.

[@craigtucker6505]

Same for me, there was something spelled inside the Xbox. Now I just have to find that replacement parts here in Germany ;)

[@Apollyon777]

It's great video I just subscribed to your channel! Could you please write me what's the tools that you used for fixing it? Thanks a lot!

[@shalopt]

Great Video Andrew, had short on 12 volt Q932, you have no doubt found the device by now but if not it is a TPN8R903NL DigiKey and other have stock. Thanks.

[@jonathanolivares666]

thanks, i repair my xbox with this video, from chile

[@reneescobar4081]

I fixed it the center mosfet I replaced first then they took it home then it blew the fet toward the back of machine changed it and it worked. Satisfied customer. The pdm or whatever was not the problem

[@shifty2755]

I dont watch TV. I watch these videos.

[@johnroughead4094]

Thanks for this video. If it wasn't for this I wouldn't have noticed that I dont have mosfets

[@muhaahaloa941]

Q9D4 looks burnt on top :D could be just bad lighting.Nice video thank you...

[@waelGames]

thanks man same problem but the mosfet from where i can get it im from another country is aliexpress or amazon can get it from?

[@neildmd]

Excellent video! I narrowed down my no power issue thanks to this. I have a board with a blown IC labeled Q9E1 just to the left of the MOSFET that you replaced (6:40). I'm guessing it's a 12V regulator or some other FET? I also get a short across the MOSFET gate so I'll be replacing that as well. Do you think it would be worth while replacing the PWM controller while I've got it on the operating table or would I be pushing my luck going after all 3 at once? I've replaced plenty of chips that size and smaller, my hands are pretty steady, but I know some are prone to pads lifting more so than others. Easy on the heat I guess... haha

[@vgelazauskas]

Hey, have similar issue with these IC that you mentioned.. did you replaced it? Did it helped? because I have shorts on all three of these IC and all the capacitors behind them and below the main chip.. not sure if only these IC's are affected or the main chip is damaged as well..

[@reacey]

Nice repair Andrew. How did you know where to start looking for the short? Or how would you go about finding it with no prior knowledge of common shorts on these fets, or knowledge of the 3 separate "phases"

[@bobapthorpe]

It can be difficult to trace circuits just by following the traces on the board; what helps me is understanding a bit about the high-level function blocks of a circuit or board (power, video, radios, controllers, CPU/memory) and the parts that you find in each. The easy (unhelpful) answer is experience, which is true but doesn't help someone starting out. Every subsystem needs power and there's a definite order in which the subsystems get power and start up (e.g. video & wifi will come up after the CPU). You get clues by the overall system behavior (does the fan spin? do you get lights on the board?) which helps isolate the high-level functions which aren't working so you check them and their dependencies. Hopefully this lets you isolate the possible failures to a few sections of the board and you can do a visual inspection for burnt/abused components before you start probing pins. Look for obvious problems; what's obvious to you will come with experience but everyone starts at the beginning and there's no substitute for getting your hands dirty :) There's a lot of detail to take in but that's why I watch people like Andrew & Louis Rossman. It's partly to pick up on their experience with specific hardware but mostly to understand the logic they use when diagnosing problems.

[@smarty0604]

Only just stumbled across your channel Paul fantastic in-depth walk through very easy to follow 👍 I know it’s an old vid but I’ve got the same issue which I’m waiting for parts on but I have a probelm with a couple of components next door to the Q9B3 on the V GFX CORE side . Basically the components are missing for C9D17 (a cap ) and R9D30(resistor ) these were corroded and have since gone missing . You don’t happen to the know the values of the missing components do you I’ve search all over the web and the closest I’ve come is apparently the resistor is a 124.4K 🤷🏻‍♂️ Any ideas thank you 👍

[@trimworld3730]

I'm learning and inspired soo much from yourself, tronixfix and my mate vince I've actually invested in gear I. E solder station, helping hand, Multimeter etc that I've decided to take on a mini project myself, a neighbours a xbox one (original) with a simular issue. Thought I might of be the power brick but the capacitors looked OK, the xbox board on the otherhand different story Apu maybe fried due to very little thermal paste left on it. Maybe a gonna Will test mosfets

[@gmaninthusa]

An APU isn't going to fry due to lack of thermal compound. Modern CPU's/APUs/GPUs are all really good with thermal throttling or just shutting down in extreme cases.

[@CharlesNolanArt]

Hello sir, what a magnificent video. I need to ask probably a dumb question when you check the MOSFETs do you have power to the board? If so how?

[@AndrewPaul]

No - you don't need power applied to the board.

[@arrowdog8852]

Thank you for posting this particular method of troubleshooting MOSFETs in circuit... I have a DUAL processor Xeon system with 6 phases for each CPU, and 2 MOSFETS per phase (total of 24 MOSFETS). I tried several different tests, but YOUR method enabled me to identify the exact MOSFET causing a short to ground. In hindsight, this is the most sensible test, because it exploits the basic theory behind a properly functioning FET.

[@AndrewPaul]

Excellent news mate - as you say, it's applicable to all kinds of devices not just these Xbox's. Many thanks for your comment :)

[@alcaamado]

Hello Andrew, great video!. I have a similar problem on my XBox One S, but in my case there is no sound at all when powering it on. I checked if there is a short on the power pins, but there isn't. I also check all three of the mosfets, but they seem to be fine as well. I just found that all the capacitors under the APU are shorted, so I think in this intance the problem is the APU itself, right?

[@garyslatter9854]

Nice fix...

[@motocviorel6856]

how do you read voltage on your multimeter set on diode?youre funny sometimes.i still enjoy your videos

[@mshockey22]

Hey Andrew, great video as always. I've got a similar issue with a console that turns on and then off immediately. Supposedly, it's nearly brand new (less than 2 weeks old). Power supply is good. The 3 mosfets are each reading .65 one direction and then OL the other direction. Any thoughts for where to go from there?

[@athenaknight4674]

Check your rf board.

[@kemalalija2018]

Got exact same fault. Thank you.

[@kemalalija2018]

I managed to replace the mosfet it work maybe 20minutes. Now it’s gone again. I’ve opened it open again and noticed a spark between the ground and the gate when I connect the power cord. And idea on this?

[@GameCozy]

Hi Andrew, Thanks for your videos dude, they're awsome, I have a quite situation here, I have xbox one s as soon as install the hdmi port the box doesn't power on when I take the hdmi port off , box powers on, I even check the diode mode on pins and everything seems ok, themofsets everything, any advise? thanks