Thank you so much! Just got done fixing mine - 100% thanks to watching your invaluable video! 1st TV fix and I did it in just under 3 hours. $32 for LED strips, another $40 for tester and suction cups and voila, like a new TV. Only suggestion on the video is remind people who need to to take pictures right away, not an hour into the video.
I repaired mine for the first time today and it took roughly and hour and 20 minutes!! it wasn't bad I just had to make sure I had all the parts. DEFINITELY thanks to this video and one other disassembly video!!
Thanks for the video. Have 65 inch TCL with bad back light. This video helped me fix my tv. The only advice I would give would be, wear gloves when handling the inner screen. I left a small hand print on mine that sometimes shows up on the screen when it plays. Also the job took me roughly 5 hours or so. Advice make sure you have plenty time to work on it. Thanks for the play by play. Learned a lot from this video. The wife was really surprised I was able to fix it.
Thank you very much for the video!! I was able to get my parents TV mostly repaired in just about 3 1/2 hours. I say mostly because as I was removing the very bottom guard it slipped, fell, and tore off two of the left side diffuser ribbons that connect to the screen. I was hoping I could just line them up, tape em down, and all be well but alas after putting it all back together 90% of the left side of the screen is black. It was worth a shot though and this video was an IMMENSE help!
Followed your instructions...they were very clear except for some parts. My biggest confusion after opening up the TV was which screws go where.. After some confusion I figure it out. Too many daam screws in this one.. but your instructions were great. I appreciate the video.
Thank you so much i watched a bunch of vids on backlight repair and nun tell you to remove the suction cups after moving it .i just want to do it right. thanks for being so in depth.
I just did mine been fixing these type of tvs for 4 years now. From Samsung to Sony and now tcl. I do it as hobby ill definitely call you about maybe working with you.
I rolled the dice and bought the backlights to attempt this repair myself. Probably one of the easiest tvs to work on. And I still messed it up. All user error. This is much harder than it looks. Salute to anyone who can do this. I feel bad for wasting time and money just to fail miserably like I did. I had such high hopes in my situation. I was focused and took my time. But in the end I was stuck with an even more broken tv, time and money I will never get back. And no tv at all to watch. My soul hurts. Considering how much the tv cost brand new. Why they make you go through the front of the tv to get to the back lights when the lights are in the back. They should be replaceable just like batteries. But manufactures only care about money and not about their products making it to the landfill. It's going to be tough without a tv for a year 😞
This is helpful for me to prepare my 65" TCL TV to replace the mainboard. Not sure my issue is backlite. My tv works fine for about 3 - 4 hours then the screen flickers and goes black. I have sound with no problem.
Excellent video! But after watching this and having done LCDs and batteries for tablets and phones and the fact that my 2018 is now 6+ yrs old…this video let me decide it’s time to invest in a new TV instead. 😁
I saw your question about the 3 filter layers. If you damage one just don't put is back in and it should be fine. Let me know how it goes. I've never had that problem.
Great vid! Unfortunately my 65" TCL had no side, or top screws holding the screen in- it was glued the entire way (3 sides) around - and even with some specialized 90degree blade separator tools the screen broke...glad someone saved $0.74 on assembly screws🤣🤣 Time to Pony up for a Samsung
My TV had the exact same issue and I just broke the clips around it with a screwdriver and just pried it up on the side until my fingers got under it and snapped it so it would fit a screwdriver easier to remove the adhesive
Thank you very much for the video, more of these please! My repair took half a day. One important point: I got a strong electric shock 😬⚡ when I removed the power board, please wear gloves. And on my screen, after I put the backlight on, I now see scratches behind the screen. Is it easy to scratch it? I put the screen on cardboard, could the cardboard leave scratches on it? Or just someone who has already repaired it before didn't watch your video)
So the shock is if you bridge your finger between the capacitor electrodes on the back of the power supply. The capacitors don't store enough energy to be harmful. Just going to wake you up in the morning. I always grab the board from the edges. Yes the screen is made of a very soft plastic and anything rough will scratch it. Stay tuned because if got and updated video coming with a better angle of the part removal.
With the set unplugged, short out the legs of the large electrolytic caps to release the charge. Be prepared for a spark with a loud snap, like a bug zapper. I think laying the screen on a clean blanket might help keep it from getting scratched. Just be careful to remove any lint before reassembly.
I did everything, I thought, correctly. Only to have it all out together and found I had cracked the screen in several places. Great experience. Bad outcome. New TV being delivered today
I have a 65 TCL 5/1/2018 date mfg I think ! my outside frame is all one piece ....When I tried to separate the glass screen I accidentally cracked the bottom R corner and the top L corner , Was I supposed to separate the glass or just lift it out in one section ? I think if I'm careful it will be okay ! my new lights came in metal frames ! This is a very good a nicely done video ..... thank you !
Thanks for this video sir. I'm wondering if I also have a backlight problem. My TCL 65s513 didn't have any power, no center bottom LED light at all. I replaced the powerboard from another used tv and it powered on. BUT then the image was faint, I had to use a flashlight to see images. THere's still sound though. Is there a chance the mainboard is the culprit? The LED inverter? The actual LED strips? Or could it be the powerboard, even though there's power. I'd like to avoid replacing the LED strips as it looks very involved.. Thanks!
@@qcsbuilds5708 Thanks for responding. if i get a tester, will I need to strip the back cover to test each strip like what you did? Or putting the probes into the connectors can tell me if the backlights are bad??
Sure would be nice if the manufacturers had designed the frame such that the majority of the sheet metal back was removable, so we could replace the LEDs from the rear. It'll never happen though I'm sure. I have a TCL 65S517 from April 2019. No backlight. I bought an LCD tester and found that each of the 4 (vertical) strips measure exactly the same. Also when lit individually using the tester, I don't see any dim or dark spots. It flickers a couple times when powering on after a reset. I suspect the PSU is going into safety mode, but perhaps due to a faulty component on the PSU, since the strips all measure exactly the same and appear to have all LEDs lit. Ordered a new PSU but have to wait since it's on back order. Oh, there's also no voltage output to the LED connector when the LEDs are disconnected. I had read that if the LEDs are bad, disconnecting them completely from the PSU should allow the PSU to not enter safety mode and cut voltage. Not sure if that's true for all brands and models though.
A new psu should solve your problem. The control IC on most TCL psu's have load sense so it will test fire and if it sees no load it will shutdown during startup.
I heard from another channel repairing a 55 inch TCL TV that if you happen to tear the paper you can just (transparent) tape white paper over the tears. But it'd probably be best to use paper of the same reflective property. I'm sure it can be found somewhere
QCSbuilds, I liked the video the model I replaced my backlights in should be the same as yours. Ran into a weird issue I'm getting backlight bleed on the right, left side of the tv. I have done a few tcl 65" never had this problem. Any tips on what might be happening your reply would be helpful.
Make sure the flat cable from the main board to the t-conn board, the LVDS cable, is properly connected. Also check the cables from the t-conn to the panel.
I changed my backlight just the same way you did, but yet my tv show a very deem light, i updated the tv software, do you think it might be a power supply issue?i need help please
Would this be the case if the tv was working fine the night before but now it doesn’t have picture only black screen unless you hold a flashlight to it
Thanks for the video. I have a TCL TV that has had half of the screen go dim. Would this possibly help that problem? Also, it is a 43" model. Does that make any difference (outside of size concerns) in terms of repair process? Thanks again!
I’m having no luck trying to track down back lights for my TCL 65c807. Nothing on eBay, Amazon or ShopJimmy for that specific model number. Would I be able to use backlights for another 65” TCL or do I HAVE to find those specific ones?
I have 65 TCL. Just Sunday the picture slowly faded out but sound is still working. The screen is not black it’s more blue-ish. I noticed some videos you could see the background with a flashlight, I can’t see anything at all, still have volume. Could that be a LED issue or do I need to look further.
I have a TCL 55" with the black screen but with audio. I could see image in the background so I determined it was the backlights. I followed your video but when testing the led lights the are all lighting up. they all average a 44.3 or 44.4. Then I tested the new replacement lights and they averaged a 45.0. Im in a standstill. I don't want to change them if they are good but now worried what else can be the problem. Please advise.
@QCS how could I fix my tv if it fell of the mount I have some colorful cortical lines and black spot. It shows the picture but but you can see it clearly
Can you please give the specs on the suction cups? Or maybe the source for them so I can check? Some can damage (crack) the screen by the power of the suction when the rubber cup distorts excessively when pulling the vacuum.
@@qcsbuilds5708 I bought the double cup set from amazon - handle spanning two cups, set of 2, FCHO brand. The deflection of the underside of the cup when the handle is flipped is pretty deep (almost half an inch), and as you know, the TV panel is pretty thin. Each cup on these is 4.3 inches diameter, and total lifting capability 200 lbs. Will you share the specs on yours?
@@royshashibrock3990 Your friend has shared a link to a Home Depot product they think you would be interested in seeing: www.homedepot.com/p/QEP-4-5-8-in-Suction-Cup-for-Handling-Large-Tile-and-Glass-75000/311173035 What you got is crazy over kill.
Same tv and same size, bought replacement led strips and did the work I did not buy a tester though, started it back up after reassembly and only half of my screen lit up! Do you have any advice as to what the problem could be?
@@qcsbuilds5708dang! Okay thank you! Before I replaced the lights it was showing the normal like dark dark screen so I could still everything with a flashlight or if I stand really close, I’m disappointed that it is the power panel since I thought it could possibly be only the lights!
i can’t get the right end acrylic brackets to line back up into the holes (that hold up the LED strips. I’ve taken them off and adjusted but the last 3 don’t want to go in… any tips?
@@qcsbuilds5708 i have the reflector screen lined up perfectly and the led strips yet if you are facing the tv the last 3 (top middle and bottom) acrylic stands will not go into the holes. all the other ones went in no problem and these last 3 are not going in and i’ve about stripped the screws :(
Backlights or power supply failure will be a video with no backlight issue. A t-conn failure is always a backlight and audio present with no video issue.
If you're talking about the t-conn to buffer cables. The black strip on the connector is the cable lock. Lift up on the cable side of the latch and it will release the cable. How to the Samson 65 inch E year backlight repair video. Got to time stamp 13:00 and you'll have a good guys of me disconnecting this same type of ribbon cable.
Great video. I have a rebranded TLC tv for the Australian market, (Ffalcon) which has the same backlight issue after only three years of use. The internals look exactly the same. Is there a reason to remove all the boards to repair the backlights ? I'm 1/4 way through taking it apart to find the backlight part number. It has power, sound & you can see images on the screen with a flashlight.
Go to shopping.com search your model number and it will give you a list of backlight kits. Be sure to cross reference your serial number with the compatible version list.
Was the whole strip bad or just a few lights? My TV has a slightly darker patch right down the center. Like the first 3 lights on each strip are out. It's not alot darker but it's noticable. Do you think my strips are vertical? It's a TCL Roku 55inch
@@qcsbuilds5708 I checked it didn't see any at all on the inside so I edited my whole post after that. I just thought there was because I saw them on the outside.
The 2 strips on bottom that t- conn board one strip ithe connection broke off I need buffer board ST6451D01-1-XLR-1(left side) I have checked everywhere for replacement, eBay, shopjimmy,etc can’t be found can you help me thx
Hey, i was opening my tv and broke the "buffer board cable". Is this fixable? Replaceable? What is its purpose? If you could please answer this please 🙏. Would save me from the nightmare of having to look it up online.
It's very poor of manufactured to design a product knowing that lights may need to be replaced after long working hours But yet they still put it in the most critical area that needed to remove the most vulnerable part just to replace the lights this is a setup of bad design.
I bought my TCL is 2 yes. 9 mo's. ago. it blacked out two days ago. Glad I saw this video. I will fix it, but I was thinking about buying a smaller unit for my bedroom. It will be a Samsung!!
It's not but TV so cheap now that the difference ain't much... maybe like 100$ for parts on few tools... and like 220$ ish on sale for a cheapo TCL.... However if you are gonna throw anyways and like to tinker and learn how stuff works it could be worth it..
@@qcsbuilds5708 Thank You. I'll give them a shout. One thing , no back light, always the strips? I can hold a light to the screen and see faint images of what is suppose to be on.
@@qcsbuilds5708 If I could take just a couple more minutes of your time I would really appreciate it. Let me tell you what I know. I plug it in and the white light in the bottom center comes on for a sec or two, then starts to blink, after a few more seconds Roku TV will flash on the screen for a split second (it appears to be normal brightness) then the screen goes dark. If the room is dark I can take a light and at a angle shine it on the screen and I can see everything that is suppose to be there. I understand that the power supply puts out different voltages to different circuits, can you tell me the best way to check (and the proper) voltages on the boards? I would truly appreciate any help you might be able to give me. Thank You.
Best thing to do would be to get a backlight tester and check the backlight. Typically on a TCL if you have backlight for just a short time during startup it's a backlight issue. Usually on the power supply the backlight section works or it doesn't.
@@qcsbuilds5708 Hmmm, pay for a TCL, it breaks then buy a Samsung. Could have just paid a little more for a better TV. My 65" TCL just went dark. I'm 75 and not sure I can fix the TCL. I'll be buying a Samsung next.
@@richardflaherty2373 not really. Samsung doesn't have a lot of first year failures. Most of what I work on is extended warranty units. I see them all at some point. Longevity in electronics is luck of the draw. The OEM can bin everything as much as possible but it's still luck. Best insurance is a good quality surf protector with AC noise filtration.
Whelp. I was doing good until I went to pick up the screen to put it back on and the screen started to crack.. Guess I'm buying a new TV. These TVs are POS's.. Lasted me only 3 years.. That's probably what the manufacturers want. Just so that you have to buy a new TV every year..
@@qcsbuilds5708 I didn't have any suction cups, I just set it on the floor. Cracked when I tried to pick it up. Didn't think that thing was THAT fragile.. Lesson learned I guess.
@@rattmausch ouch. The TCL at times has a small strip of assembly adhesive in the top center of the panel that holds the glass in place during assembly. Here's the link for the glass removal chapter. I give a detailed break down of how to remove the glass from the adhesive. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-wjG76-hvH9c.html
