NES with GREY Screen and Flashing RED LIGHT | Revisit

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This is the Nintendo Entertainment System I couldn't get working from this previous video: • A Subscriber sent me a...
It had a flashing red light at times, and also a blank grey screen. Is it the PPU at fault?, the lockout chip?, or is it just a dirty connector?
Let's see if we can get it working!
Hope you enjoy!
Steve
PS. I'm not an expert in repairs at all. I do this for fun, and it may not be the best or safest way to go about repairing broken stuff. I'm pretty good at melting plastic though. Please don't copy me - I'm an idiot.
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Опубликовано:

19 авг 2022

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Комментарии : 465

@stevefox3763 Год назад

That is NOT dirt, its a reaction between the metal and the polish, it will keep coming up black till you polish away all the metal!

@StezStixFix Год назад

Glad I didn't keep scrubbing! 🙂

@scaleartsg Год назад

@@StezStixFix you might have no metal left! 🤪

@welshtony1 Год назад

Im glad someone said this before he keeps going in the future haha.

@skippster76 Год назад

@@StezStixFix what flux do you use please?

@joshkelly4682 Год назад

I only use IPA and a pink eraser and 99% of the time all contacts end up looking new

@antonsmith1497 Год назад

When I was an apprentice long time ago, my former boss said always "use sockets, it`s easier to replace the chips afterwards". My experienced colleague refused/ignored this and told me "I had too often problems in connectivity with those sockets". Amazing to see this issue being proofed decades later on youtube. Well done.

@wryyyy Год назад

To elaborate on the flashing screen. It's the lock out chip checking the cartridge chip for authenticity, and why it flashes is because when it does the check and doesn't recognise the cartridge/cartridge fails to communicate, the console forces a reboot and the cycle keeps repeating. So technically valid games might run, but they run only for that very short time when the console is communicating with the cartridge for the authenticity check. The lock out chips are notorious for being extremely unreliable.

@DoNotEvenAsk Год назад

The original modder probably put in too much solder on the socket's pins and it bridged on the other side. NES boards are an absolute nightmare to work on for beginner modders, especially if they're using cheapo tools.

@John-ns9lr Год назад

Yeah thought the same thing.

@SMAAAASHTV Год назад

Never recommend using metal polish for cleaning any plated metals, as it will strip the plating right off the contact and usually results in the pins corroding down the lines, as they have no seal from oxidizing anymore. While the pins did seem really dirty, you would have been better off continuing to use the Eraser and IPA. It might never come out completely clean.

@AmstradExin Год назад

What the old buffoon did was corroding oxidizing) the pins with his polish. Beginner's mistake. :D

@Grant-H2O Год назад

if you want to get crazy with it just use a magic eraser

@swingstylez 5 месяцев назад

I'm so glad you put the original PPU back in after changing the socket. I would have had an itchy brain if you hadn't have tried, even though I was expecting the PPU to behave bad, like it did in the donor system. Great vid!

@mottzilla4858 Год назад

If you can identify the pins that were shorted together by their number it's possible to know what signals specifically are causing the problem on the bad PPU. My guess is that they were pins 39 - 36. From the Castlevania screen that was messed up it looks like pin 37 (PPU AD1) might be having a problem. If you examine the incorrect letters on the screen you can see that bit1 is behaving as always 0 in the tile numbers. I don't know if this can be overcome. You could try a 1K ohms or higher resistor connected to pin 37 and the other end to pin 40 which is +5v to give it a pull up. It could be that when they were shorted together it ended up burning out an internal pull-up resistor that existed inside pin 37. I've seen MaskROMs fixed by using external resistors so it may be worth a shot here. Better than throwing the PPU in the trash.

@StayCoolKeto Год назад

*Great info* 👍💪

@arturb2996 Год назад

He should definitly try this! Fixing a chip would be a new level of repair

@Senteri Год назад

I have 0 technical knowledge but reading comments like these is awesome.

@brandonkick Год назад

Sounds like you have more knowledge of the PPU than I do, but for sure I wouldn't blindly try repair attempts without some degree of confidence at the very least that the repair attempt won't damage anything further. I know we have logical implementations of the PPU in terms of FPGA cores. I wonder if the knowledge is out there... basically the schematic (there's another word for it... it escapes me... delidding the chip to trace it's die) for it to be possible to make an educated guess at what a repair attempt might look like? I fully agree though. There is only a finite number of PPU's left in the world. I hate to see any die off as a result of a botched mod attempt.

@mottzilla4858 Год назад

@@brandonkick Testing it with a 10k ohms pull-up resistor for a short period of time to see if it makes a difference is unlikely to damage anything. It's not really a blind attempt. And yes it is possible to replace the PPU with a FPGA. I don't believe anyone has actually put in the work to make a drop in replacement yet, but it's possible. If the problem isn't a bad internal pull-up it could be a broken bonding wire which would be an even worse problem to have. With the PPU already malfunctioning I think it's worth a try doing a quick test with an external pull-up resistor. I would start with a 10k ohms and then if nothing changes try a lower value, but without going lower than 1K ohms. He could get lucky and it might result in a fully working PPU again and it would make for a nice video outcome.

@YesMir Год назад

omg Steve , you have the patience of a saint ! nice work

@StezStixFix Год назад

Thanks Mart! 👍

@claimhsolais3466 Год назад

Congratulations Steve! You've done a tremendous job. Is so satisfying achieving success after so much hassle, isn't it? Since NES has so many great mods, like the RGB, audio expansion to name a few, I'm most definitely looking forward for another revisit soon!

@super10nano1 Год назад

I've never seen a person more happy than you when it worked. Amazing patience and a great video!

@adamlatham6465 Год назад

Hi Steve. I miss the cow/moo animation when you use the desoldering vacuum gun!! :D I respectfully request its return lol. Love your channel by the way. :)

@StezStixFix Год назад

Request accepted! 😁

@thegrayghost3043 Год назад

Great repair! Thanks for taking the time to go through it and explain it. Plus, I always look forward to your Patreon rap. 😃

@NSDaishi Год назад

Thank you for coming back to this. And also I am glad you post where you fail to fix to at least have something to watch.

@emmanuelwolfmusic410 Год назад

Just wanna say ,I love your comedic timing, it's brilliant

@ianholmen888 Год назад

Hey I just wanted to give you props. I just fixed a radio for a car, and it was all thanks to the videos you make. They ordered a new one for 800$ so I decided to take it apart as it was getting replace anyway and i was able to look at it the way you do. I found an obvious problem and it was a super simple fix but I couldn’t have done it without you. Thanks so much from South Carolina USA

@StezStixFix Год назад

Awesome! Great job on the fix, and I'm glad my videos came in useful! 👍

@MagralhoPT Год назад

I was here for the "stupid game" and you did not disappoint! thanks for fixing stuff so I can get my fix on that lovely outro!

@pedromimoso8804 Год назад

Perseverance pays up Captain Bodge! Very well done, Steve! 😁

@rachelc2022 Год назад

That was a great repair! I love seeing one of my favourite old systems get back up and running. I’m glad the bad socket didn’t damage the good PPU when you tested it. Nice work!

@afronob Год назад

Dude you inspire me. I love your sens of humor, don't change a thing. Thanks for all of theses videos. My regards to Dave.

@ReiverBlue1971 Год назад

Congratulations on your persistence. I did tech support for about 15 years so I can understand the frustration and the joy when you finally nail a particularly difficult problem ;D

@JamesWon6 Год назад

I'm happy for you it did work. And thanks for all the work you put in just for our entertainment.

@ManjiVegeta Год назад

I loved this little repair roller coaster.

@stephenhepworth3113 Год назад

entertaining as always, and worth it in the end.You carry on where others ( including me) would have given up ages ago. brilliant, informative and funny to boot! keep up the good work 👍👍😆

@americansupervillain4595 3 месяца назад

Helpful tip, if you are going to open up an NES, you might as well replace the 72pin connector. They are about $12 to $15 dollars on Amazon.

@GiovanneTorres Год назад

Nice troubleshooting Steve! Great video

@TracyA123 Год назад

My home boy Steve be droppin fresh rhymes and solving them electronic mysteries playa!!!! That looked seriously frustrating..wow. All of that work and the original mod socket was the culprit. Well done brother!!👍

@gravedigga71 Год назад

Nice one Steve, was a pleasure to watch.

@tahirsutube Год назад

Well done for sticking at it! 👍

@wolfmercer Год назад

Nice to see you persevered. and save this from becoming scraped.👍👍👍

@Damyrr Год назад

Before using the desoldering station, add some more tin in the solderweld, then desolder it, works every time!

@Jared-C Год назад

Glad you got it working! At least your entire day of staring at a board got you somewhere. I hate when I sit there all afternoon and it's just as broken as when I started.

@K.P.Alexander Год назад

Love your videos, Steve! Avoid metal polish on contacts, use contact cleaner instead.

@UnCoolDad Год назад

Autosol is lovely stuff. The black stuff you rubbed of isn't dirt, it is metal residue.

@markharrisllb Год назад

Well done, I actually learn more off you than the other channels.

@MarcStift Год назад

Hey Steve, if you ever do another Nes fix or mod and you need to disable the lockout chip, there is a way to do it without damaging the lockout chip pin 4. You just have to ground pin 4 using two wires and Consoleunleashed has a guide to show you how to do it.

@TheCavacat Год назад

The VOS rap this week was epic - the best one yet for sure! 😃

@justinhoffmann7034 Год назад

As usual, a fantastic video Steve!

@sambra1979 Год назад

Nice vid as always, snake rattle n roll was an incredible game back in the day.

@unseen1228 Год назад

So pleased you did this

@Pholiage Год назад

Snake rattle n roll. One of my favorites ever. Nice fix mate

@reddevil630 Год назад

8:55 I hope am not the only one that miss the cartoon cow.

@dereks6129 Год назад

You are my favorite channel to watch while I'm eating

@cheronecom Год назад

Your edits are the perfect amount of showing what you've done without making it tedious to watch.

@dr.decker3623 Год назад

Remove the connection pin for the lockout chip. it's probably dusted. Some say clip and bend it, but just clip it twice and remove the leg entirely.

@wisher21uk Год назад

Great fix and worth every minute well done

@Sefton4 Год назад

I love the satisfaction you get after you've had a struggle but then get it working. Top job and keep the videos going mate 👍. Also love the singing, the haters are just jealous! Ps I remember playing snake rattle and roll as a kid, it looks much harder than I remember!

@TheGiotto1401 Год назад

Please video your reaction when you get the device working. It’s my favorite part of your videos. Great stuff!

@Tim_3100 Год назад

Great video as always stez 🙂

@craigellis680 Год назад

Excellent rap today Steve. Alot better than normal. 84k subs... So close to that 100k rampant rabbit special. Can't wait to see how you go about putting the rabbit under a stress test in that one

@retroanderson Год назад

Just an FYI, they do some Russian 'clone' PPU chips Called the UMC UA6538. And CPU clones called UMC UA6527P. I bought some on ebay years ago and i'm in NZ using a Pal system as well.

@AdeJohnson Год назад

Glad to see the Patreon list growing mate

@TheSaxon25 Год назад

Dang man faulty socket could have had you running around in circles for days. Nice catch 🍻

@Gaming-Enthusiast Год назад

Great video , such a inspiration to us smaller creators 👍👍

@chrisj2848 Год назад

Nice bit of detective work Steve! Great Video 👍

@StezStixFix Год назад

Thanks Chris! 👍

@brandonkick Год назад

One easy thing I would have recommended, would have been taking the edge connector and tray off the donor board and try on the broken board. I was sure that was it, until you confirmed the PPU was damaged. I tried like holy heck to clean one of those "U" shaped edge connectors (the part the game actually connects too). Boiled it, tensioned the pins, adjusted it a few times as far as it's fitment on the NES board. That sucker just wouldn't work. Took the cheap pot brass $7 replacement 72 pin connector that came with my NES ebay lot... swapped it in, works first try. Granted... it has a death grip on the cart, but so what. I keep my chinese junk flash cart in it. It works. Party on? Good job Steve! Love the channel!

@sheepdog_81 Год назад

Love your video, very educational! Thanks a million!

@BuyitFixit Год назад

Great Job Steve! weird goings on with that socket tho..

@harveybrimer1054 Год назад

Lol nice job, love your channel!!👍

@YaffleTank Год назад

Been looking forward to this

@APSuk2 Год назад

"because quite frankly, I can't be ar..." Honesty is always the best policy 😄 Great fix Steve, glad you got to the bottom of it.

@eddjordan2399 Год назад

great work dude.

@teslasapple Год назад

Mooing turned into a small man yelling Bob! Nice 👍

@StezStixFix Год назад

🤣🤣🤣

@DougUnfunny Год назад

YOU DID IT! GOLD STAR.

@Allerick178 Год назад

Great work Steve. So cool that it is working. Love the 8 bit nintendo bring back memorys. Good work Steve.

@StezStixFix Год назад

Thanks Frederick! 👍

@bellafiasandpuppies4220 Год назад

Nicely done

@Stefan_Payne Год назад

Gratz for finding the issue. Sucks that the modder destroyed a PPU...

@UkdangermanRepairs Год назад

Steve, that's either real dedication or the more likely itch in the brain that says "I must find out what is wrong with this thing". To be fair, it's probably both. 😁👍 Cracking video mate. We'll done on your channel and all your success. We'll earned and very much deserved. Cracking stuff. 👍

@briangoldner4095 Год назад

That is one of my favorite NES games!

@jaylo912 Год назад

Comments such as "I will do this off camera so I dont bore you to death"....not only is almost correct, but also genuis. Fair play and thanks for the videos. Awesome stuff.

@martijnappeldoorn8686 Год назад

We use to have snake rattle & roll back in the 90’s, my younger brother was quite good at it, I wasn’t, but I enjoyed seeing him play it.

@gtm604 Год назад

whenever I here shake rattle and roll I think of the movie clue. great work !

@PaulTheFox1988 Год назад

I'd recommend that you leave the mooing desoldering gun on the pins for a bit longer in the future. You're not giving the gun enough time to soak heat into the board so it's not able remove the solder from the pins. I'd also recommend adding fresh solder to the pins as well before desoldering.

@grmmmmhpph Год назад

I agree with Robin, and the same goes for your soldering iron Steve! Just give it a split second more dwell time, to let the new solder wick down into the vias - the ideal solder fillet should have a concave surface...

@twotone3070 Год назад

@@grmmmmhpph " the ideal solder fillet should have a concave surface..." I agree.

@great_live_music Год назад

Yes, we want more mooooo!

@mikengo9306 Год назад

Oh gosh. "You're kidding me!" I shouted. The PPU mount was shorted all along. Never thought it has messed up this way. Must be a solder blob went across the pins. Well, the donor board has it value after all, a good working PPU. Great video. Enjoyed the video. Good game. Just once. 😆

@eggstu Год назад

Dave is the real hero of this video

@Thertra70 Год назад

Looking forward to part 3 with the mod chip working!

@rimmersbryggeri Год назад

Autosol is abrasive so the rag is black because of metal particles not dirt necisarily.

@stevenlayton4493 Год назад

I've become addicted to this channel, without really understanding many of the things you're doing and using. What is it you apply to the solder points before you solder? What do you use to clean the boards after working on them?

@eggstu Год назад

Flux helps melt the solder and probably rubbing (isopropyl) alcohol to clean.

@diytechspirit914 Год назад

Flux helps solder to flow more easily and redirects it where it is suposed to go, melting is done by the soldering iron/tip and has nothing to do with flux. IPA is most commonly used as a cleaner for electronics.If you are interested in this stuff try it you dont have to spend much to get started and it is a great hobby.

@StezStixFix Год назад

Yep, flux to help the solder flow and Isopropyl Alcohol to clean up. 2 of the most important items you'll need (aside from a soldering iron 😁)

@Arikayx13 Год назад

When warm enough to flow the solder really wants to stick to itself and other metals but oxides get in the way. Flux removes these oxides and prevents more from forming and clogging up the mix.

@octavovisitare3439 Год назад

That was a really nice rap! Had a nice 90s West Coast feel to it

@tkzins.mp4 Год назад

damn, nice work Steve, glad you break that stupid falty socket

@fjniedercorn Год назад

Thanks to you I bought an hot air soldering station an I clearly don't know what I'm doing ! I have a good teacher ^^

@eduardogarcia3049 Год назад

I was waiting for the “get in there!!” After it worked. 😂

@randomretroplays3123 Год назад

Love watching your channel Steve 👍. " Stupid game " 😆

@johnbowen4222 Год назад

Fun fact about the nes when you push the cartridge in you dont have to push it down it makes contact and plays just fine if you push the game cartridge in and just turn it on

@moderusprime Год назад

Always remember to also refurbish the 72pin connector itself. Bend the pins back to factory(the cartridge pins, not the ones that connect to the board) and give it a good clean. A lot of people tend to miss this step.

@richardstone8615 Год назад

Facts

@wryyyy Год назад

It's a shame lot of people just outright swap out the connector, as the replacement connectors aren't built the same way, so they aren't true ZIF (Zero Insertion Force) connectors, and actually put much more stress and wear on the cartridge connectors.

@moderusprime Год назад

@@richardstone8615 I've refurbished over 100 NES consoles. So many times people thought it was a PPU or CPU issue when it was the pin connector not making contact with all the pins but enough to clear 10NES.

@paulghignon4092 Год назад

You can also potentially clean a 72pin by saturating the pads on the cartridge heavily with alcohol, then inserting and removing it a few times quickly; it will be an easy way of cleaning them. I used to do this as a way of cleaning many handheld cart slots like the Gameboy and GBA, back when I refurbished those. It's a bit better for handhelds than in the case of the NES, mostly because there's replacement connectors out there that are designed better; combined with people building systems using OpenTendo.

@DecibelAlex Год назад

@@wryyyy oldest trick in the book. I'm sure most people have tried that before replacing the connector. It's really just a temporary fix of course the replacement connectors will wear out the cartridge faster than the original ones that hardly make contact after 30+ years of use, but beats having to disassemble the console when you want to play something

@seanmacdude Год назад

Loved the video, you know if this fixing lark doesn't work out for you, you could always go back to song writing I loved Elbow back in the day and you guys should get back together

@paulb4uk Год назад

Superb job finding the fault.

@gkimble90 Год назад

Awesome mate 👏 👌 👍 🙌 😎

@soycarcare9866 Год назад

You broke the no 4 pin trying to solder it out, well happy to see you all workup..🤓

@wryyyy Год назад

Those RGB kits are fairly valuable, and not too easily aquired. I think it's one Australian bloke who makes them.

@StezStixFix Год назад

Yeah, Tim Worthington in Oz. 👍

@zohairnaqsho3309 Год назад

Beautiful song

@chrispike7249 Год назад

Good to see you fix your NES there Steve and great fix too on your stupid nes 😊 nice 1 mate 👍

@Fitzy-fiedWine Год назад

Your choons are dope.! Peace.!

@Fitzy-fiedWine Год назад

MonkeyJoe Tokyo is an awesome hook, you gotta repeat that, at least once. The soundbite is brilliant, I could say that name all day. Also, when you used the desoldering iron, it was almost in time with the background music you added. I thought if you put music on, and desoldered in time, sped up, it would sound pretty cool as part of your tune. Maybe you could shout out your sponsors in time to the desoldering choon. Your content is inspirational, mate. love it.

@davidrowlands8548 Год назад

7:36 - "yeah, ... there's something not right there, is there?" bit of an understatement that.

@jivillain Год назад

I can look at your face all day. Great work

@Yabbadabba54321 Год назад

That was impressive trace work

@bradleywhitehouse4506 Год назад

The saga of the faulty nes ppu system. This is part 2 of two weeks ago. Satisfying vids

@FixDaily Год назад

Great video. 3:33 you are removing metal with that polisher... it only ends when you have no more metal If you use a regular eraser, you make your work faster. I have one regular white rubber (They don't leave stains) and one of those "blue pen eraser rubber" when i want to be more abrasive. You can also use "Automotive break cleaner instead of contact cleaner" but you have to clean it afterwards because it is corrosive.

@kylebeattie8305 Год назад

Patron rap was fire this video 🔥🔥

@arqamalsheety9611 Год назад

nice work

@luke9511 Год назад

the tip on your desoldering iron seems to big for these pins, also you should press the tip against the pin and let it sit there for about 5 or so seconds to give the heat enough time to melt the solder through to the other side and then suck it up