TCL 55" Roku TV, light on bottom flashes but no picture. Model 55S401 tv repair.
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- เผยแพร่เมื่อ 23 มิ.ย. 2020
- Step by step tv repair tutorial on a TCL 55s401 smart tv (Roku Version) with a backlight problem. In this video I'm going to show you how to fully disassemble this common television with a common backlight problem. The symptom is that when the TV is powered on, the white standby light at the bottom of the television flashes as though its about to come on, but absolutely no picture comes up. No picture flash or anything. Just a totally black screen. In most or all cases, its usually just one bad led on a backlight strip that causes this. So we are going to disassemble the television, find the 1 bad led, swap it out with a brand new led, and re-assemble the TV. Thus fixing the backlight failure, and repairing the television.
BACKLIGHT STRIPS FOR THIS TV: bigdogelectronics.us/collecti...
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Hey Bigdog, I got a very similar TLC 55s405, all LEDs light up when tested individually, how do I check the power board? or it is still possible to be a LED problem.
@@vadim7590 Yes. Make sure youre getting DC voltage coming up on the LED socket when U turn it on.
what power supply do i use to test the LEDs? Thank you for your videos
@@coltonbarber2264 Just google "LED tester". Or U can use any variable PS that can produce less than 1 Amp.
Who wants to do all that ,just trash that junk
I have no idea why I just watched that whole video or how I ended up here, I don’t even have this TV. Or any TV for that matter. But that... was awesome.
That is so funny. Lol.
Same here!
I was looking for cats on a treadmill and ended up here...lol
Lmaoooo
Hahaha that's Awesome !!
Thank you for this, I fixed my 6 year old TCL with this process! $25 in parts and some awesome bonding time with my son.
Wow that’s exactly how old my tv is..😅 now I’m glad we found this video! I cannot buy a new one rn 😊
I don’t often write reviews, but I am thankful for his TH-cam video on replacing led backlights on a tcl tv. I followed his steps and warnings and was able to repair my tv when I was just about to throw it out. Awesome 🙏🏽🙏🏽🙏🏽
I agree, I never comment, but this saved me like $250+. Wonderful detail, tips, and common road blocks. Thank you for the video!
To much nonsense for such a cheap TV just buy a new one , different brand really all internally are the same , I had same problem and just replaced the TV
@@desmoinesbeard8469 I agree. Be my luck I go through all of that work taking my TV apart and end up breaking the screen and have to toss it in the trash anyway.
I want to thank you, My 55" TCL/Roku TV went out last Friday, I went and bought a new TV, then I found your video and thought that looks like what is wrong with mine, I purchased an LED test and a set of light strips, I test and found the one strip was bad, I replaced all of the strips and my TV is working fine, used your video while repairing my TV to take it apart, was a very informative video in repairing my TV. Thank you very much !!!!!
Thanks for watching Carey!
Where did you find the strips?
@@javieratam59dotnet I found replacement LED strips on Ebay !!!
Thanks for your instruction. I'm learning much. Just repaired my third TV. This is a new hobby my wife and I have picked up. Also doing my part to save something from hitting a landfill.
Appreciate U and Blessings to you and the wifey. Teamwork is always the key, especially if you live together, lol.
Amazing, never thought I'd be trying to replace a backlight but this video made it all possible. Got mine open and used a backlight tester (had no idea these even existed) to find the problem. Awesome video.
Nice work!
My free TCL has the same problem. I have sound but no picture. Bottom light flashes whenever I press a button on the remote but I'll just buy a new one come tax time...that's a lot of work. Great tutorial Big Dog
Thanks man! This isn't quite the model I have, but you explained the LED voltage in a way I missed before. You have a way of making the information super easy to follow :)
I'm going to say thank you now because I don't know when I'll need this video. I have the same model, and the screen went dark (but you could see it if you held a flashlight to it). So I bought the replacement LEDs, laid it down on the table, opened up your video and started unscrewing... Just before I popped it apart I decided to plug it in, and the damn thing turned RIGHT back on. Brightest screen ever. It was dead for three weeks and just came back like nothing happened. Can't believe it. So I'm sure I'll need to do this eventually so I'm saving this video. Thank you for what you do.
Bro you make it look so easy lol. This is too much for me. I’ll just buy me a Samsung or something today lol
My thoughts exactly! On my way to Target right now 🤣
@@morenabonita7265 yup...
Had this happen to my TV right before we left for traveling on Christmas after only 2 years of owning the TV. Stopped at the part of removing the screen as I do not have suction cups and do not want to risk bending it doing it by hand, but I have complete faith this will work when they come in on Tuesday. Definitely messed slightly as the WiFi wire came un-soldered from the ground plate when I tried to remove the chip, but thankfully that's quick and easy to fix in comparison to the rest of the disassembly.
Thanks again for sharing your knowledge for us brave enough to try this on our own instead of trashing a fixable TV. It is most appreciated.
Great Video....Running the backlight @ 100% will cause them to fail in a short time after factory warranty. Turn the backlight setting down to 65% and you wont overdrive and burn them out. Most TV's come with backlight factory preset to 100% out of the box.
I ran mine at like 30%...still died after 2.5 years. LEDs take 50K+ hours to die - I guarantee there is a heat/power issue, likely intentionally designed to fail right out of warranty, just like they do with LED lightbulbs that barely last longer than incandescent.
@@chrisriani and replacing the LED was enough?
Dude, best info out there for this TV. My TV had this problem. I didn't pull out the multimeter or nothing. Because I couldn't find it... I just ordered all new LEDs for $30 watch your video and replaced it. It went really well even though I used phone holders that attach to your windshield for suction cups because that's also all I had laying around. Sometimes you just gotta improvise. But it worked out great in the end I replaced all the LEDs hung the TV back up turned it on, it works beautifully. I watched five different videos about this and yours is by far the best. Thank you sir!
Thank you! Best vid of its kind on TH-cam! I fixed my TV. My only pointer to other people doing this repair, if your white reflector paper piece is glued down, don't try to pull it out like he does in this video, its much easier to just get a sharp razor and cut a straight line down along the side of each LED strip, then unplug each strip, remove and replace. You can get the replacement LED strips on Amazon for pretty cheap.
Thanks from india, 40inch Iffalcon (TCL) tv ant stuck inside my screen, through your instructions I manged to safely removed the ants fixed the tv thank-you so much..... Let all goods come to you and your family.
Fabolous video, clearly you're a technician and not a videographer but instructions are clear and well informed. used this guide to fix a free TV I got off the curb. keep up the work
I fixed my TV thanks to this video. I didn't test the old LED strips and just replaced them all. The TV is like new again!
Do you have to soldier to replace the whole strip?
@@niconico8278Not at all. Soldering is only necessary if you're replacing individual LEDs in the existing strip.
@@ChrisGoodwinOR thank you
Big Dog, you are the man. Thanks for this!
Hey man, I want to thank you for this video! I was able to fix my TV following your instructions.
Great Video! My Dad and I picked up a free 65" TCL TV that didn't work. The picture would flash for a second then turn off. We followed your video step by step. You are a great teacher. We replaced the backlights all together, and skipped the testing process like you did. That's just what we felt comfortable with. We did make a mistake however. While we reassembled the bezel to the screen, something must've been miss-aligned or we pushed too hard. We put 2 small cracks in the screen which distorted the image. The picture is alright, still better than no picture at all and not bad for only putting $80 into a 65" TV. Thanks for your help!
My Roku was flashing on and off but still had the picture. This worked excellently! Thank you!
Thank you! I feel confident fixing my similar TCL TV that has the same issue. Very thorough explanation.
Excellent repair not everyone has that patience ... It is a very delicate and technical job. .. Success
Very good presentation… I have the 55s425… nearly identical to the one you worked on here … it too comes on with no backlight … I actually replaced the power supply and the video board …. Then I remembered I have a similar led strip working and did the test in the dark and it’s actually coming on normal… just no backlight so I will replace the led strips …. I have no difficulty working on electronics… I Did however have to order a set of suction cup handles 😜… thanks for your hard work … much appreciated
I don't usually post comments on TH-cam videos, except for the occasional wise ass comment trying to be funny, but big dog, your video helped me fix our 55 inch TCL tv. Well done sir.
Thanks to video just repaired a 2020 65” Onn Roku not powering on replaced 6 led light strips purchased from AliExpress for $20. Only issue I ran into was removing led screen from bezel. Luckily I had suction cups from car dents but I removed led with trim tool instead of prying the bezel loose which resulted in having to glue or tape screen back to bezel. Thanks to video I was able to repair with a beautiful picture
Added a few years to my set for about $50 thanks to you.
Hey man, just wanted to say thank you so much for this walkthrough!!! Ive never opened up a tv before but was able to buy and replace my failed backlight for $35 with an LED kit from ebay. It’s not that difficult, just requires patience and attention to detail. I wrote down the steps as i went and placed all the screws and components in plastic baggies labelled with the step number. Just had to watch this video about 3 times. My 55S405 tcl roku tv is working again thanks to you! Appreciate the help!!
No problem Jeff. Glad I could Help! Thanks for watching.
Can you share which kit you bought on eBay?
@@be6455 sure, it was this one. www.ebay.com/itm/154175587253
What did you use to remove the tiny screws holding the LCD strip in place?
@@jbmorof if i remember correctly, i (gently) used my ryobi impact driver with a bit for tiny screws. One thing to note is the led strips slide to the side once the screws are loosened. I also have a small set of tiny screwdrivers but i think i used the driver.
I needed to change the IR sensor, this video helped me do that job in about 25 minutes. Thanks
Thank you so much for this! I had a black screen and used this video to change the backlights. It works now!
Thank you for this video! We did everything as instructed and you saved us from having to spend so much money on a new TV. Thank you very much!
Great to hear!
Thank you for this. Followed this while fixing my back light. I just replaced the strip with the bad LED. Thank you again!
No problem. Thanks for watchin!
Where did u purchase the strip? I also wasn’t sure whether to buy a single LED or entire strip. Any info u can supply I would appreciate 🙏 thank u in advance 🙏
@@bdm408 Type in your brand and model number plus led backlights in google search.
Great tutorial, I was able to fix my TV by following your excellent instructions!
Great to hear! Be sure to leave me a review at g.page/marc-anthony-tv-repair/review?gm. That would help me out a whole lot. Thanks again Aaron and have a very Merry Christmas!
What kind of LED did you use to replace it?
Thank you so much bigdog! This is an excellent video. I followed the instructions step-by-step and you fixed my TV!!!! THX!!!!
Great video bigdog8882. You do a great job explaining all the steps. I've got this problem with one of my TV's. I'll probably buy a new one and save this as a rainy day project for me and my son's.
Great video. Gave me the confidence to try my hand at repairing a friends TV. Went very smooth and worked great afterwards.
Nice work!
Thanks Bro. My 55 in TCL TV is only 2.5 years old. And it went black few days ago. Your video made it easy to change my LED backlights on my TCL 55 in. And now, TV is back to life. My TV is a TCL 55S405, and there is one slight difference in the disassembly: the screen is glued on the top part, which you touch on at 14:11. Got the LED lights and suction cups (strongly recommended) from an online store, for a total of $55.
where did you buy the LED lights? thank you!
@@rbedi100 LED lights can be bought from ebay or Amazon
$35 part fixed my $400 TV. Thanks for the video, along with the video letting me know what to do if the screen is 'stuck' to the bracket.
Awesome video sir. While I have most of the tools, I'm afraid to try this on my same model tv. Thank you for the info very detailed. Perfect.
Thank you this worked and customer service couldn’t get it to work. You the bomb.
Great informative video! Appreciate you making this!
I was able to fix my TV thanks to this tut! Not all heroes wear capes!
So I wasn't going to buy a 50$ led tester.. saw that icon shadows were in the background the sound and such worked just no backlight decided to just replace led's followed your vid and others. End game saved $175 on #doityourself 👍🏽💪🏾thanks big dawg 🙏🏾
How did you find which LEDs are the replacement? I currently have my TV apart but can't find any with matching numbers. Will any labeled to work with the TV work?
This a SUPERB repair video and, by far, the best TCL backlight repair video I could find. Even better, you show how to replace individual led modules instead of just buying the replacement strips. Many thanks for sharing! I have a freebie 65 inch version that I am going to attempt to repair. I hate that it is unknown whether I will get the panel out without cracking it, but since I only have to pay for parts, I have little to lose.
And I just left a review for your repair business (from Andrew). It's the least I could do.
Okay Thanks! I really appreciate that!
Picked up one of these off the street. There was a note on it that said it was functional but needed a new backlight. $52 in new backlights later and I own my first ever TV, with only two small cracks in the corner because I didn't do a good job lining up the screen and I cracked it as I tried to reattach the bezel. Still, 2.5 hours and $52 is a pretty good deal, all things considered.
I was about to throw out mine which i think its this exact model. Gonna gove this little project a go! Thank you for making this content!
Great video. Great detailed instructions. I followed step by step and got my TV up and running again. Thank you sir
You're welcome!
Great job! I was gonna try and save money by replacing myself but I see I should leave it for the professionals.
The repair shows the Voltages! Bravo!
Mine died last week. I ordered the suction cups and the power gadget you are using to test with from Amazon. Should be here today. I hope my skills are sufficient :) Thanks for the video!
Did you fix it?
Love it! Really down to earth and honest. Thankyou!
Your very welcome Clive.
Thank you so much! Got my TV up and working again with this video and about $60 of parts.
Glad it helped
OMGSH, >> I Genuinely Thank You!!
I was moments away from sadly tossing my TV in the dumpster!! & gave this a try before I gave up...THIS WORKED 💯%
This video was great🤩but the best part was his creased jeans! I’m creasing my husbands 501 Levi’s ASAP!🎉
Thanks for the video, it helped me fix mine instead of kicking it to the curb!
Thanks to the beginning of this video I know I have the same problem - a bad LED for the backlight - because when I shined a flashlight on the TV like he did, I could see the screen! 👏🏽
Thank you so much for this video! Definitely not an easy repair for a novice, but doable with your video. I got my strips replaced tonight. $32 for all 8. For the price, I took a chance it was the strips. My 2 1/2 year old TCL has a picture again!
Where did you get your strips?
I believe this is the same problem that I am having with my 55-in TCL Roku TV. It is just over 2 yrs old which is pretty disgusting knowing that these TVs were out so fast. I remember buying a RCA back in the '80s and it lasted me 20 years. It is a shame that I might have to throw it away.
@@Kelly-wk1fb Same exact TV. Just happened to me last night. Not buying another TCL TV.
@@Kelly-wk1fb Exactly. These TV’s are straight trash.
@@jons9239 Same here. Never again!!!
Thanks Dude! It’s been driving me crazy. So many other videos aren’t addressing this problem. I turned it on and it flashed for a bit, I then took my bad ass Nebo flashlight and help it against the screen and I can see the Netflix and other app channels. It’s the back light! You rock. Now Idk if I’m going to try to fix it or get it fixed, but I will update you! You rock man!
trashed huh?
Greta video. Perfect detail. Thanks! 55" Vizio restored.
Great Video. Fixed my tv because of this for 30$. Much appreciated Friend!
Much appreciated. Easy to follow…simple instructions/timely warnings about common mistakes before each step. Thank you.
My Roku lasted 4 years cant be to mad... time to get a new one, thanks for the video tho bro
This was very helpful, i have 65 inch Roku that has this same problem, now that I know what it is, this TV may have a chance of making it.
Love these people i love fixing phones android boxes all learnt of youtube while in lockdown good for me menthal health i found it 💯💯
Geat video! Gonna take the plunge to fix my 65".
Big shout out to the big dog!!! After doing some reading I was 90% sure I had a bad LED. I didn’t want to invest in testers, etc so I just bought a set of replacement strips off eBay for $34 and suction cups from harbor freight for $8.
Thanks to this awesome video $42 and 2 hours time and back in business, TV works great! Was fully prepared to spend $500+ on a replacement TV previously.
No problem. Glad I could Help!
Link for ur led strips?
@@bigballin009 eBay
XD how to fix a bad LED BACKLIGHT ON A TCL ROKU TV
Thanks for such a detailed video!!! You were so much help!
Excellent tutorial!!!
Well done sir! Top shelf repair work! Great video.
Thank you kindly
Great job. I enjoyed the video. Very knowledgeable
Thank you for showing me that it's better to buy a new one than fix it.
Had my tv for 2 years ig they don’t last long I can play Hulu with audio lol but no frames or anything these new smart TVs don’t last long kinda sucks and my warranty just expired last month to late to call now and ask lol
Im barely going to 5 months and its just turned block😪 ..yall know if it comes with manufacture warranty?
@@jzdh1949 one year warranty
It'd be worth fixing if you already had all of the tools. Of course, anybody who has them probably doesn't need this video.
Thanks for your video. Helped me big time.
My TV had the same problem with the LED backlight which I was about to give away. Then I came across this video.
I followed all your instructions & warnings. I was able to fix the TV. Now it's as good as new. 😍
You saved me a lot of money.
Thank you so much for this video. 😇
Thanks for your well informed video, was going to throw out my 55" TCL, saw your video, got a used LED strip for $5 at local TV repair shop, followed your step by step instructions and it worked, couldn't believe it. Thanks again
I think my tv has the same problem would you recommend doing it myself? and if so what tools did you need. Thanks
Hi Bob and/or Marian, I'm curious, did you also have those 2 suction cups and if not, how did you remove the screen successfully without them? That's the only tool that I don't have.
@@jasonwarren270 yes I would do it yourself , I watched the TH-cam video probably 6 or 7 times, only thing I had to buy was suction cups $3.99 at harbor freight
@@voicetube yes I bought two suction cups at harbor freight for $3.99 a piece
@@bobbrennan8653 okay, thanks for letting me know. What was the exact name of the devices (I doubt there called "suction cups?" As I was using that colloquially) and if you can give me the model number as well that would be cool. I'm sure others here might like to know as well. Thanks for your time :-)
thanks for everything works properly. you gained a new follower.
I wish you lived near me! Lol. I can't even see the faint images of vudu, hulu, etc., so I must have some other issue! I will check your other videos. I really like how you are very thorough about describing what you are doing and why.
If you’re following along as I was, listen to the man at 13:30 and be really careful lifting the screen out. I got the bright idea to try it without using suction cups, which is why my screen is now cracked. It got caught on the edge like he said so you really need to pry that off before trying to lift the screen. Sorry @bigdog8882 you did try to warn me and I didn’t listen. Great informative video though. Still feel like I learned something even though I have a busted TV to show for it.
Thank you, this video helped me fix my TV. 🤓👍
Very good explanation, thank you so much for this video 📸 , I'm trying to do it in a tv one of my costumer give me, I let you know how goes with your explanation for this cane problem this tv has.😮😮
I came across this video while trying to find a repair for this TV. Is it just me? Or did it just sound like I got a tutorial from Samuel L Jackson? Loved it! 😁
Naw, U not the only one that said that, lol.
Thanks for the video I just threw my tv in the dump and went and bought a new one..😉
Awesome step by step tutorial, sir!! Was the issue basically a broken solder point since you did place a new one? My TCL did lose the picture but I fear its the taking apart, layer by layer, (LABOR) that would tend to be costly to fix. Yes, I did by a new Smart TV, but appreciated your video of what would be involved in the fix/repair of it. You obviously have done this a few times as you're very knowledgeable in showing the step by step process. Thanks you so much and hats off to you on this video!!!
Thank you so much. Every other channel glosses over so much to cut videos down to under 15 minutes.
That was awesome brother!! But I think I'll just pull out the old floor model. 😂😂😂
You. Are. So. Awesome. Period.
Just found ya channel!! New subscriber!!
I certainly enjoyed watching that, I have the exact TV, but mine doesn’t flash on the bottom. It is completely dead. Not sure if I should dive into it? Anyway, great video. Thanks much.
Good lookin out my man! Well done!
I came home from work this morning and my baby wanted to watch cocomelon and couldn't get light but sound works and noticed picture extremely dark. I'm recovering from covid and just started back at my jobs this week and when caught up on other priorities I will definitely give this a go. Until then her cocomelon fix will come by phone or tablet
Great video. Very informative disassembly and reassemble covering each step. You made be led replacement a breeze!
Hello and thank you for your video. I have a 49" Roku TCL TV I've had for about 2 yrs and is never really used as it's in my guestroom. My nephew has been with me for a week and using the TV and it just went black while he was watching it. We TH-cam'd many of the other video's to try and fix it and you're seemed to be the best. However I'm concerned I may not be able to do what you just did let a long have all the tools you have in your video to fix it. :-( Nonetheless, I wanted to thank you for sharing your video.
I don't want another tv with TCL....too many complaints for this brand. They need to improve their lcd products and have backup lights...no tv should conk out that fast!!!!😠
Good video my tv is doing the same things thanks bro
Got that 80s music,feel like mcgyver taking care of business again 💯
lol
Omg!!! Thank you. I did this, no experience in TV repair. You saved me hundreds of dollars. A whole new set of L.E.D.'s cost $30 on ebay. Thank you!! You are awesome!
Nooo Problem! Glad I could Help.
hello could you say where can i buy the led and what is its specification thank you very much
Great Job!
Awesome video do you have a link on where to buy the individual led's so pretty much 3v to 6v leds are interchangeable on different models of led straps?
Thanks for the video. Wish u was close to my neck of the woods. So that u can fix my piece of crap. That's what being cheap last year got me 😏
Hi, Thanks for your video. Where can I buy the replacement LED from? do you have PN or the LED parameters to look for? I have the exact TV you were repairing.
They have it on eBay and Amazon just make sure it matches your tv model number