NES with GREY Screen and Flashing RED LIGHT | Revisit

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  • เผยแพร่เมื่อ 19 ส.ค. 2022
  • 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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ความคิดเห็น • 465

  • @stevefox3763
    @stevefox3763 ปีที่แล้ว +323

    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
      @StezStixFix  ปีที่แล้ว +74

      Glad I didn't keep scrubbing! 🙂

    • @scaleartsg
      @scaleartsg ปีที่แล้ว +6

      @@StezStixFix you might have no metal left! 🤪

    • @welshtony1
      @welshtony1 ปีที่แล้ว +22

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

    • @skippster76
      @skippster76 ปีที่แล้ว +1

      @@StezStixFix what flux do you use please?

    • @joshkelly4682
      @joshkelly4682 ปีที่แล้ว +7

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

  • @antonsmith1497
    @antonsmith1497 ปีที่แล้ว +10

    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.

  • @swingstylez
    @swingstylez 4 หลายเดือนก่อน +4

    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!

  • @wryyyy
    @wryyyy ปีที่แล้ว +10

    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.

  • @YesMir
    @YesMir ปีที่แล้ว +12

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

  • @DoNotEvenAsk
    @DoNotEvenAsk ปีที่แล้ว +29

    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
      @John-ns9lr ปีที่แล้ว

      Yeah thought the same thing.

  • @mottzilla4858
    @mottzilla4858 ปีที่แล้ว +138

    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
      @StayCoolKeto ปีที่แล้ว +5

      *Great info* 👍💪

    • @arturb2996
      @arturb2996 ปีที่แล้ว +5

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

    • @Senteri
      @Senteri ปีที่แล้ว +7

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

    • @brandonkick
      @brandonkick ปีที่แล้ว

      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
      @mottzilla4858 ปีที่แล้ว +3

      @@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.

  • @SMAAAASHTV
    @SMAAAASHTV ปีที่แล้ว +39

    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
      @AmstradExin ปีที่แล้ว +4

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

    • @granth4561
      @granth4561 ปีที่แล้ว

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

  • @ianholmen888
    @ianholmen888 ปีที่แล้ว +5

    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
      @StezStixFix  ปีที่แล้ว

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

  • @claimhsolais3466
    @claimhsolais3466 ปีที่แล้ว +36

    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!

  • @emmanuelwolfmusic410
    @emmanuelwolfmusic410 ปีที่แล้ว +3

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

  • @adamlatham6465
    @adamlatham6465 ปีที่แล้ว +9

    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
      @StezStixFix  ปีที่แล้ว +1

      Request accepted! 😁

  • @ReiverBlue1971
    @ReiverBlue1971 ปีที่แล้ว +15

    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

  • @ManjiVegeta
    @ManjiVegeta ปีที่แล้ว +2

    I loved this little repair roller coaster.

  • @dr.decker3623
    @dr.decker3623 ปีที่แล้ว +1

    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.

  • @americansupervillain4595
    @americansupervillain4595 2 หลายเดือนก่อน +2

    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.

  • @NSDaishi
    @NSDaishi ปีที่แล้ว

    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.

  • @super10nano1
    @super10nano1 ปีที่แล้ว

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

  • @rimmersbryggeri
    @rimmersbryggeri ปีที่แล้ว +26

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

  • @thegrayghost3043
    @thegrayghost3043 ปีที่แล้ว +8

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

  • @reddevil630
    @reddevil630 ปีที่แล้ว +4

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

  • @afronob
    @afronob ปีที่แล้ว

    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.

  • @MagralhoPT
    @MagralhoPT ปีที่แล้ว

    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!

  • @stephenhepworth3113
    @stephenhepworth3113 ปีที่แล้ว

    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 👍👍😆

  • @pedromimoso8804
    @pedromimoso8804 ปีที่แล้ว +1

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

  • @chrisj2848
    @chrisj2848 ปีที่แล้ว +4

    Nice bit of detective work Steve! Great Video 👍

  • @unseen1228
    @unseen1228 ปีที่แล้ว

    So pleased you did this

  • @K.P.Alexander
    @K.P.Alexander ปีที่แล้ว +16

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

  • @Damyrr
    @Damyrr ปีที่แล้ว +4

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

  • @JamesWon6
    @JamesWon6 ปีที่แล้ว +1

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

  • @GiovanneTorres
    @GiovanneTorres ปีที่แล้ว +1

    Nice troubleshooting Steve! Great video

  • @Pholiage
    @Pholiage ปีที่แล้ว

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

  • @TheSaxon25
    @TheSaxon25 ปีที่แล้ว +1

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

  • @Stefan_Payne
    @Stefan_Payne ปีที่แล้ว

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

  • @gravedigga71
    @gravedigga71 ปีที่แล้ว

    Nice one Steve, was a pleasure to watch.

  • @rachelc2022
    @rachelc2022 ปีที่แล้ว +4

    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!

  • @wolfmercer
    @wolfmercer ปีที่แล้ว

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

  • @tahirsutube
    @tahirsutube ปีที่แล้ว

    Well done for sticking at it! 👍

  • @wisher21uk
    @wisher21uk ปีที่แล้ว

    Great fix and worth every minute well done

  • @teslasapple
    @teslasapple ปีที่แล้ว +2

    Mooing turned into a small man yelling Bob! Nice 👍

  • @retroanderson
    @retroanderson ปีที่แล้ว +4

    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.

  • @UnCoolDad
    @UnCoolDad ปีที่แล้ว +4

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

  • @MarcStift
    @MarcStift ปีที่แล้ว +8

    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.

  • @justinhoffmann7034
    @justinhoffmann7034 ปีที่แล้ว

    As usual, a fantastic video Steve!

  • @APSuk2
    @APSuk2 ปีที่แล้ว +2

    "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.

  • @markharrisllb
    @markharrisllb ปีที่แล้ว

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

  • @Tim_3100
    @Tim_3100 ปีที่แล้ว

    Great video as always stez 🙂

  • @TracyA123
    @TracyA123 ปีที่แล้ว

    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!!👍

  • @eddjordan2399
    @eddjordan2399 ปีที่แล้ว

    great work dude.

  • @eduardogarcia3049
    @eduardogarcia3049 ปีที่แล้ว

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

  • @gtm604
    @gtm604 ปีที่แล้ว +1

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

  • @davidrowlands8548
    @davidrowlands8548 ปีที่แล้ว

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

  • @heckinmemes6430
    @heckinmemes6430 ปีที่แล้ว

    When the solder suck went "What? What? What? What? What? What? What? What?" That spoke to me.

  • @Jared-C
    @Jared-C ปีที่แล้ว

    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.

  • @TheGiotto1401
    @TheGiotto1401 ปีที่แล้ว

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

  • @bellafiasandpuppies4220
    @bellafiasandpuppies4220 ปีที่แล้ว +1

    Nicely done

  • @sambra1979
    @sambra1979 ปีที่แล้ว +2

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

  • @stevenlayton4493
    @stevenlayton4493 ปีที่แล้ว +5

    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
      @eggstu ปีที่แล้ว +7

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

    • @diytechspirit914
      @diytechspirit914 ปีที่แล้ว +5

      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
      @StezStixFix  ปีที่แล้ว +5

      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
      @Arikayx13 ปีที่แล้ว +2

      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.

  • @TheCavacat
    @TheCavacat ปีที่แล้ว

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

  • @BuyitFixit
    @BuyitFixit ปีที่แล้ว +2

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

  • @sheepdog_81
    @sheepdog_81 ปีที่แล้ว

    Love your video, very educational! Thanks a million!

  • @paulb4uk
    @paulb4uk ปีที่แล้ว

    Superb job finding the fault.

  • @AdeJohnson
    @AdeJohnson ปีที่แล้ว

    Glad to see the Patreon list growing mate

  • @Gaming-Enthusiast
    @Gaming-Enthusiast ปีที่แล้ว

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

  • @Sefton4
    @Sefton4 ปีที่แล้ว

    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!

  • @dereks6129
    @dereks6129 ปีที่แล้ว +1

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

  • @seanmacdude
    @seanmacdude ปีที่แล้ว +1

    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

  • @johnbowen4222
    @johnbowen4222 ปีที่แล้ว +1

    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

  • @octavovisitare3439
    @octavovisitare3439 ปีที่แล้ว +1

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

  • @arqamalsheety9611
    @arqamalsheety9611 ปีที่แล้ว

    nice work

  • @briangoldner4095
    @briangoldner4095 ปีที่แล้ว

    That is one of my favorite NES games!

  • @zohairnaqsho3309
    @zohairnaqsho3309 ปีที่แล้ว

    Beautiful song

  • @danielpowers5891
    @danielpowers5891 ปีที่แล้ว

    I love watching people tinker with nes and anes

  • @Gawny7789
    @Gawny7789 ปีที่แล้ว +1

    Snake Rattle & Roll is a weird but great game!

  • @brandonkick
    @brandonkick ปีที่แล้ว

    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!

  • @cheronecom
    @cheronecom ปีที่แล้ว

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

  • @KnifeNerd9
    @KnifeNerd9 ปีที่แล้ว

    9:03 How is the solder sucker even funnier in fast forward :D

  • @garymorgan2360
    @garymorgan2360 ปีที่แล้ว +1

    Wish I had your patience 👍

  • @jivillain
    @jivillain ปีที่แล้ว +1

    I can look at your face all day. Great work

  • @martijnappeldoorn8686
    @martijnappeldoorn8686 ปีที่แล้ว

    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.

  • @biblestudynetwork2949
    @biblestudynetwork2949 หลายเดือนก่อน

    This is next level craziness

  • @fjniedercorn
    @fjniedercorn ปีที่แล้ว

    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 ^^

  • @davidtexmex1616
    @davidtexmex1616 ปีที่แล้ว

    Phew! Haven’t been able to sleep properly without getting to the bottom of this!!

  • @YaffleTank
    @YaffleTank ปีที่แล้ว +1

    Been looking forward to this

  • @eggstu
    @eggstu ปีที่แล้ว +1

    Dave is the real hero of this video

  • @craigellis680
    @craigellis680 ปีที่แล้ว

    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

  • @jaylo912
    @jaylo912 ปีที่แล้ว

    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.

  • @Yabbadabba54321
    @Yabbadabba54321 ปีที่แล้ว

    That was impressive trace work

  • @gkimble90
    @gkimble90 ปีที่แล้ว +1

    Awesome mate 👏 👌 👍 🙌 😎

  • @bradleywhitehouse4506
    @bradleywhitehouse4506 ปีที่แล้ว

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

  • @Samsemillya
    @Samsemillya ปีที่แล้ว

    well done!

  • @MrFixiit
    @MrFixiit ปีที่แล้ว +2

    Maybe worthwhile checking the legs on the Faulty ppu maybe some Corrosion or a solder blob causeing bad contact.

  • @PaulTheFox1988
    @PaulTheFox1988 ปีที่แล้ว +18

    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
      @grmmmmhpph ปีที่แล้ว +4

      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
      @twotone3070 ปีที่แล้ว +1

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

    • @great_live_music
      @great_live_music ปีที่แล้ว +1

      Yes, we want more mooooo!

  • @dr.frankenstein5421
    @dr.frankenstein5421 ปีที่แล้ว

    Mine does that all the time. Someone told me years ago to use rubbing alcohol and a q tip and clean the video game cartridge contacts. While the contacts are a little bit wet, insert game in system, pushing it back n forth to clean n make good contact. Then turn it on, works pretty much every time.

  • @sylvias232
    @sylvias232 ปีที่แล้ว

    Hi love the videos . Question what sites do you order your electronic resistor capacitor etc and where can i get a nes ppu chip
    Thanks keep up the great work

  • @mikengo9306
    @mikengo9306 ปีที่แล้ว

    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. 😆

  • @DougUnfunny
    @DougUnfunny ปีที่แล้ว +1

    YOU DID IT! GOLD STAR.

  • @robertpucovsky
    @robertpucovsky ปีที่แล้ว

    I got a "broken" NES that had the same symptoms as yours. All I had to do is boil the 72 pin connector and bend the cartridge side pins a little back up. Now every (good shape) game boots up every time even without me pushing down the cartridge with the lockout chip intact as well. I also wouldnt recommend disabling the lockout chip because it's a good indicator of how good your game is. If it needs cleaning, it will show up.

  • @harveybrimer1054
    @harveybrimer1054 ปีที่แล้ว +2

    Lol nice job, love your channel!!👍

  • @tkzins.mp4
    @tkzins.mp4 ปีที่แล้ว

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