LG TV Flickering Problem FIX - TV LED Back Lights Flickering
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In this video I show you how to fix your LG TV that flickers, it will go on and then off every few seconds. This is a known problem for LG TV's even though they are only a couple years old, what will go bad are the LED lights or it could be your power supply or both. Thanks for watching.
#LGTVFlickering #LGTVFIX #TipsNNtricks #DIY #LG - แนวปฏิบัติและการใช้ชีวิต
Just had my 55 inch lg do this. I simply bit the bullet and bought a new one. I accidentally bought a 65 inch thinking that it was a direct replacement for the old tv. What a happy mistake to make! Remember back when your grandparent's old console TVs never wore out? Old Zeniths, and Admiral, and RCA brands, they just soldiered on for years with no issues. Of course if you were between the ages of 6-15, you were designated channel changer, volume controller, and sometimes broadcast signal technician with rabbit ears, vertical, and horizontal controls. All the 50+ crowd is with me on this one.
I’m having this exact problem with this exact model TV. The repair process isn’t as bad as people make it sound in their comments so I’m stoked that I can just get new backlights and fix this thing. Thank you so much for posting this!
New TV it is! Thanks.
Screw this!!!! I’m not going through this. New TV indeed. 😂😂😂. He lost me at the number of screws I had to undo.
@@WonLotto100M he lost me when he pull the inside panel off, forget it I'll just drop the $300-$500 for a new tv
Fr tho I am 13 and just want to play my video games and now I have to go buy a new tv wtf 🤦
Man 🤣 I was just playing apex and I thought it was my Playstation. Fuck all this omw to walmart now.
Not even a choice with the new super flat LG oleds.
350k views! wow LG, you think you have a quality problem?
Unlatching the prongs and plugging them back in actually fixed the flickering! I was initially like forget this but then I tried for the hell of it and it worked.
Shut up
Brandon Speck Gheez why so rude
Same here, sony 4k tv, backlight started flickering, this worked
How u do it bra
Can you give more details please?
Ive got what looks like the same TV. Ive been noticing for months now some minor dimming and flickering in the bottom center of the screen. Today the whole screen just started doing what yours is doing. I'm glad I found this video. It's going to be very helpful.
So did this video end up doing the job for you?
Just taken ours apart, had the exact same TV, tested every led individually and one wasn't lighting up, lucky for me I have the tools to replace the individual led but you guys could easily just replace the strip that's causing you issues, hope this helps anyone
Great video, exact same problem with my tv and you saved me hours of head ache trying to trouble shoot!
Any chances there is a video where you actually show changing these led strips?
I just love finding flat panels by the curb. I’ll scoop em up even if they’ve been rained on. Most people won’t know/care to troubleshoot so it’s more fun for me! And even if I can’t get the thing to work, the good boards can go for a premium online.
Currently going thru this flashing thing with one I picked up today.
Did you have any luck?
After taking the screws off and still can't open the back panel, I gave up trying to fix it. I put the screws all back. Plug the TV and, of course, it was still flickering. I said my goodbyes, and angrily hit that TV like it was an 80s TV, yelling at it, "DON'T YOU DIE ON ME!! DON'T YOU DARE DIE!!" Gave it another hit one last time....
Suddenly, the flickering stopped and the picture slowly appeared like an angel. I quickly selected "Home" on the remote and selected the TH-cam app.
TH-cam showed up on my TV screen. OMG!! My TV is alive!!!!! It worked again. I guess I was the lucky one where perhaps something was loose and hitting it realigned it back. I moved my TV a week ago to another area of the room, so don't know if that caused any loose wiring for it to flicker. Anyway, hit it in the back and see if it'll work for you.
Lol
Did you hit it hard or solftly
nice
If we did that to our kids more, maybe it would help.
Me: let me find a video to help me repair my t.v.
Me after watching the video: nevermind 😫🤦🏻♀️
I was thinking the same thing. I'm just going to buy a new one
me too ,haha,
I agree. TVs are so cheap anymore and it may require a new board as well besides the LED strips. A proper repair might be as much as a new TV.
Angelica Torres.. same 😔
I somewhat agree. The only is why didn’t he completely repair it that was just an in-depth diagnosis on repairs needed. I buy the strips an then BOOM I’m still lost... 🤔 I’m can’t afford a new Tv right now. Money 💵
got the same tv and same problem, you did a superb job explaining everything. I was very comfortable being able to take it apart without damaging anything just didn’t know the basics of how it works, what to look for , or where to test it using a multi volt tester. Probably going to buy a new bigger(of course😂) tv but I will definitely take the old one apart find out what it needs and determine if it’s worth ordering parts $$ for. Thanks again knowledge is power!👍 📺🇨🇦
Spot on troubleshooting, happened to have the same exact TV. Damn these LED lights lol
This guy just convinced everyone that watched this video that fixing your own TV is too much of a pain in the ass so, just buy a new one.
I had same problem with LG 49LB550V. TV was flickering so I founnd out one of the diodes on the very bottom strip didn´t work. So I bought complete pack of strips for $70 and changed them all. Works perfectly fine again. Thanks.
This actually helped me a lot
Hey mate I have almost the exact lg tv although I am in Australia, would you know a part number for the led backlight as I have 2x lg 55ly340c tv's both with the same issue, I was thinking I could either make one tv out of the 2 or try to get some replacement led backlight's, I am pretty confident when working with mains power and electronics, did you end up posting a pt2 for thus video (I was looking on your channel but couldn't find it)
Thanks in advance mate
Even though it's an older video, I just want to say thank you it did help me diagnose my TV. It's not something that I want to get into fixing right now but I am going to put the TV away and attempt to repair it myself, I think it would be an interesting challenge.
Have the same exact TV, did you LED change work? Currently bottom 2 LED strips are not powering on and lG tv is blinking like yours.
Looks like we have the exact same TV (47LB6300?), and this helped sooo much!
Hi there ad THANKS for a great video!! I have the same problem as you I have an LG 55LB6000 that flickers BUT I noticed that on your video your leds are flashing at the same intensity as mine it flashes bright (2 times) and then flashes a bit dim (1 time - then 2 time bright, 1 time dim etc...) and I did a dc volt test and I get 170 on both output. You have one normal and the other one bad reading. So now what can I do now that I know mine has both readings the same values?? What could it be the PS? The caps and everything looks normal to the eye no bulge or burnt marks so what could you suggest as next step to do? Thanks for any help!!!
Me: Wow this video might help me fix the tv!
Video: take apart eVeRYtHiNg
smart one I’m trying to find a simple video they all take it apart lol
Right I can't do dat
lol just buy a new one its easier
Well, what do you think would involve with fixing a Tv?.. by just looking at it in a certain way??! 😆
He didn’t even fix the problem lol
Love the comments about diagnosing it being too hard and too much work. What do you think a technician would have to do if they were to repair it? We really do live in a throw away society.
A tech is trained. It's their job to know how to fix it.
@@msbaker8027 Im no tech and I did it 4 time before on smasungs and will do the same on this tv, grow a pair for your brain :-)
@@msbaker8027 you act like they are trained for every tv they just learnes basics u can get off the internet
I fix all kind of things. No training, just started with some videos. Just takes a bit of time
4 years later in the future with you the man...
Are the parts in this tv worth anything??? I'm thinking of just taking it apart n just scraping the pieces for my lg55.
It's a straightforward repair though has potential for issues:
Unscrew outside plastic and front metal panel and after separating the plastic housing around the light box, set aside the glass image screen panel by loosening the bottom ribbon cable from the swivel clip. To remove the clips keeping the reflector light box attached by sliding down and carefully prying the plastic from the metal housing, and once removing the tv light diffuser, fresnel lens, and whatever the third sheet is, it can be done entirely from the front (though alternatively, you might need to get access to underneath the circuit boards, it really isn't required unless you're uncomfortable with the capacitors being exposed which could potentially get damaged,) by twisting the square/rectangle plastic components they will unlock and if you pull up one corner of the long narrow pieces with the spacer sticking up, gently pull up the corner of the long strips of plastic to slide it out. From here you get access to the lcd wire harness and lights, and you will need to pull up on the wiring harness to get it off, and then pry off the strip of panel (and hopefully you have replacement lcds with plastic lenses.)
The issue I had was when rescrewing the glass panel with the housing, as apparently it wasn't completely flush with the molding and cracked when retightening. I will still use the screen but it does show up at certain times.
I should also add, the power supply seems to be causing shortages when these tv power on, as man LG tv from this time are prone to the same defect, and it's not any different with new light panels. They will continue to burn out.
Question. Since only one bank of lights is not working, is it possible to swap two banks and see. If the top bank stops working and the bottom one starts working, then you know its lights, not the power board. If no change - its the power board...?
Thank you! after watching your video, you convinced me to buy a brand new TV :P
Many thanks for your Video Sir!
Any information for a white flickering, flashing just at the top part of the Screen on a Samsung 4K UHD Smart Tv??.. And it's definitely NOT the Eco nor the Energy Saver!
Much thanks, peace and blessings to you 💜
Mine does that when I plug power then it stops I have brand new backlights in it
Can you please tell me what the part number was on the led strips for this tv ? I want to order the strips before I take it apart. Thanks 😊
due thanks a heap on the info my tv 55 in. is doing the same thing ,, im getting a new onw cause it cost the same to fix it as 2 buy a new one. from the state of pa.GOD BLESS
Thank you for the video, helped me decide that I need to have this repaired by some one more skilled than I Just Googled TV repair:)
I'm having the same problem, did you get yours fixed? How much did they charge you? Thinking of the same idea of getting it fixed by someone w some knowledge in TV repair
Thanks. That helped me diagnose that I need a new TV. Exact same issue. No chance in hell I'm doing that kind of investigation... Fair play though.. :)
Had my LG 60" for 7 years ,It just started the Flashing issue yesterday... Well years of constant use not bad..
Same thing happned to my 65" LG. Felt pretty confident going into it. Unplugged everything. Took it apart. SHOCKED THE SHIT out of myself. Went straight to best buy to buy a new TV
Great video helped me figure out my problem
Thank you i really hope this works
Do you have any footage of how you got from 6:40 to 10:18?
I just found one outside my apartment house, it looks exactly like the one in the video "50lf580v", thank you for sharing your knowledge
Haha same!
This is a cool video to watch, I learned a lot and I was impressed that you kept trying to fix it, it got to involved for me and my boyfriend would never do this for me, lol....so new tv for me...thanks for sharing though.
I don't know what model my TV is but my TV just started having a flickering problem today and the thing keeps flickering in such a way that it looks like it's turning off and on all the time like the red light that shows up when the TV is off keeps flickering on and off as well and if I unplug the TV it's fine but if I plug it back in it starts flickering again without me having to turn it on. Can this be fixed with this method that you have here or do I have to get a new TV?
How do i know what backlight strips to order?
Never did confim if it was the led strips as there is no part 2 to this video? I have the exact same TV, changed the leds and still flickering. Looks like it might be the power supply?
but where do u get the led lights from
Ok so I did your method and when you disconnected the LED and tested it and when I did it the top Led+ on mine came out to say OL no numbers and the bottom LED+ said about 180 so does this mean I should just order a whole new set of LEDs?
if you disconnected the leds and the reading off the actual board was 0 then its ur power supply most likely
lets hope to see it go
Nice explanation.thanks.I am from Aurangabad,India.
I got an oled sony 77 inch tv A9G that keeps flickering. Can you please help me fix it ?
So I don't think it's me led lights, I believed it's my power. I tested like you showed and had under 100 on both sides and about the same from the other side while unplugged if I remember correctly. So I didn't see any other comments about that or any videos you posted about what to do if it wasn't the LED strips. Suggestions or can you put me in the right direction please. Thank you
U got a link for the led bulbs
I have this tv and it’s doing the same just started do you think that it’s the lights if so how much did they cost you ? Thanks for video!!!
48.95 plus tax
So these results are inconclusive since you have higher voltage on one side, did not test the back lights or show the tv working again.
I agree. Imagine tearing something apart, having a working multimeter, making a video, and not even being able to diagnose the difference between a bad light and a bad power supply.
Mine is a 32" TV. It has only one LED+. It shows 130V. Is that normal? LEDs keep blinking..
Thank you.
I was with him until we got to the test the LED ribbon..... I’ll just look up who has a TV sale happening.
🤣🤣
🤣🤣🤣you funny
Same!!!!
That’s exactly what they want. 🙄 mine is only 6 months old...
I have an element and it like made a noise like something hit it and it turned off and on really quick
Can someone help me find some safe to buy led strips? I only have two top row to change
This was excellent, Thank you!
Bonjour ducoup j'ai le même problème c'était quoi qu'il faudrait changer ?merci
When my friend was describing it it sounded like a capacitor issue. I opened it hoping it would eb an easy fix, and then saw hundred of volts, rip my odds of using one that can handle 50
On the led strips mines the other way around. One is about 180v and the other about 300+ volts.
How flip 180 deg. screen LG TV
???
on mine small led lights seem to stay on whilst viewing the usual tv/game etc hmmm?
Hoping to conjure some help from this 5 year old video! Any reason you couldn't test the strips with the multimeter before taking off the back?
So is there a part two?
I can't believe the comments of people saying they prefer spending $300-500 on a new TV instead of doing a minor fix that doesn't involve soldering anything. I love dumpster diving. I lived in Mexico for 3 years. Absolutely no dumpster diving there: people fix their shit and don't throw anything away. Now I live in Canada and it's a paradise. Lots of TVs, furniture, bikes requiring minor fixes, if any.
Programmed obsolescence doesn't exist. People are too rich and dumb to bother fixing their stuff that's all.
I know this ish is simple as popping a pimple and sometimes thats even harder and i bet they do that all the time
I hate the fact that i had my LG for only a year or two before the flickering shut started happening. Bought a new tv off rip but i kept the LG just incase. Might have to fix it 🧐
mine goes from high voltage to low constantly, after turning it on. i changed the psu board and it didnt fix it. i also put a multimeter on the led connector with nothing plugged in and it was still going from high to low every second. theres an image on the screen as i used a flashlight and it could see the image
This video was a great help for me, i replaced all the LED strips, and believe it or not, that crap LG works just fine. Thank you.
Where can I buy thos.led strip
@@vwpier purchased mine on ebay . They where 80 dollars from a place in california but i went the cheap way and got mine from china at 40 dollars but with a high rating. Installed it and now it works great so far.
@@mrgallardo7069 do you have the part number of led? My LG 55inch also having flickering and suspect the led lights issue.
the part number will be on the old strips themselves. look for those
@@brianboyd48 Thanks, Brian, it sounds like you know what you are talking about.
New TV it is....thanks !
Regard how am I supposed to reset the tv if the screen dosent power on tf
I’ve only had this Smart tv for 6 months And it’s messing up
my tv has its menus start to flicker lately too. i tried putting tape over the power button, but i fear the problem is hardware, or something loose inside the tv.
Good explanation blessings.
Thank you:) have a great day
Where do you order the replacement bulbs/or strips from?
google it
AliExpress is cheapest for price but they can take a while to show up
Does that include a black screen with sound, led bulbs burned out
So whet does it mean when u get the same reading on both sides led 1 and led 2?the part that controls the leds might b bad eh?
It means it still works ok.
How to take out a screen of a LG model lC550LUD
How to see part 2 ? Cant find it
Quarantine, what a time for my tv to break. I new I was gonna have to buy a new tv but I still wanted to know what happened.
I've literally just put on my TV to the same welcome. So I feel your pain.
Lmaooo you too where on the same page brother just ordered a new 4k tv from best buy they have pretty good prices on them
Where did you find what voltages you should read?
you look for the ratings on the capacitors on each side of the led socket and the voltage should be close to the ratings i think
So what was the conclusion? Bad power board from the voltage reading or 2 bad lower LED strips?
strips
I feel like a meer peasant amongst these men...
Samething happened to mine fix my issue....bought a Vizio.
Vizio's basically have LG LEDs lol
Mine a 32" element its 6 years old its a LED tv flashes when i play Xbox one S hardly Compitable
Scored identical tv same prob at scrapyard. 2 dud led's- chiselled them off and soldered a bridge across the gaps and all other lights work full time. Reassembled tv, carelessly cracked the screen doing so! Now have sound and backlight with no picture- I'll keep it for parts as i regularly score tellys for free! Bummer.
sucks to be careless
If you could flip the adapter, you could swap the LED's so you could find out if it was them or the power board.
My LG 55LB60000-UH screen is black when first turned but it flickers from top to bottom where I can see the LG logo and settings menus. After a few seconds, the entire screen fades to black. No pulsating light like shown in your video.
Meter tests with LED light cable detached from the power board. One of the LED+ reading is 161-175, and on the other LED+, the reading is 174 to 199.
I presume this is a faulty power board not bad LEDs.
Would this be a correct assessment?
When powered on I can see good LED lighting from the top to the bottom of the screen. It doesn't appear any LED's are out. It powers on with a black screen with good contrast to the menus flickering on the screen for about 3 to 5 seconds then fades to black with nothing at all on the screen like the power is fading out completely.
What's your opinion?
Look for bulging capacitors. if tou can find them then most likely power board faulty
Mine losing brightness cause it flicker once
My tv old 6 years old its original HDTV
what is the size of this LG TV?
What should I do? This started happening to my pc monitor, it blinks like that for 2-4 minutes before it starts working like usual, when I boot up the pc, there's no brightness loss or something like that however. I've used it extensively for years so maybe this is a sign that it's gona stop working soon? Or can it be fixed?
im pretty sure you have a blown out capacitor on your power supply. take it apart and look at the capasitors for any that look slightly bulged on top. you will have to remove and resolder new capacitors
It is possible to know where lg smart tv what kind of LEDs need before I open up ?
Type on model number on alibaba
Ali express
Looks like the 49". I just tore into mine and looks exactly like yours.
I think it would be best to test the power supply first before tearing into the front. If the output is low replace it first.
its a 55". you measure diagonally. not straight across 55lf6100 the 55 stands for 55"
very good video and useful too. unfortunately my lg is already fixed and am going to pay dearly.
How much did you pau
Pay
I have an old LG I gave to my son that worked fine for many years. Found this video when the flickering started which was cool but we decide to go new to get a cheap 4k that is 55in instead. Sometimes you have to weigh out the pluses and minuses one whether to stink money into something as old that is 1080, limited on inputs and no smart features.
After opening I noticed a Buzzing sound in sync with the screen flashing. Does this mean the power supply has gone bad?
9 months and still no answer
@@Rforce78 Use an in circuit capacitor tester it could be caps on the bords that gone bad.
Who else gave up and just started ripping parts off before just getting a new one?
Unplug work for me before buttons were loose so i onlybuse a control now