I have an LG, 37LC7D, TV with this problem. Red power button light then flashes twice. I have the same tv mine started today ! No picture and no sound. Great TV, right up until it completely stopped working. Of course, this is not to say that it will not work, just not my preferred method. I would start by testing/replacing the electrolytic caps on the power supply board as this is the cheapest solution, the most common problem, and you have already measured an unexpected voltage on this board. I just worry about all of the plastic plugs. Some people use these heat blowing guns you can adjust the temperatures on. I'm having the same issue with my power board same tv. Essentially it is the main board that controls teh power board. Symptoms, no picture, no sound, no backlight. clearly defective model. cord. That was the irritating thing to me. This “replace the capacitors” thing hasn’t ever worked for me. would you recommend a safe setting for everyday use? "This LG LED Light strips set of 12 has part number 5835-W50002-2P00 and is used in tv model LG 50UH5530" If you want to get involved, click one of these buttons! Also fit 55UH5550 PLEASE HELP! Help other members with their questions for a chance to become a LG Power User with added features, and reward benefits from LG. [Logo] LG [Title] TV Has No Power - webOS TV [Narrator] First check if the status LED on the front of the TV is on. James Vickers I have the same issue. It was a good TV up until this issue. But I spent a lot of money, and never got it fixed, and just bought a 55" TCL at Walmart for $300, with tax and 3 year program for "fixing it" it came to $360 or so. I bought this TV about 2 years ago.This week, when I went to turn it on, the power light button would blink 3 times then shut off. Ive tryed lots. When you turn on the TV from standby, the power led on the bottom, right corner, alternates, blinking red and green for about 15 - 20 minutes before the TV comes on. I don’t trust the boards you buy either to be functional. Or. Can you post a link to a supplier of these particular capacitors. Replaced most caps, not the small ones. 6-7v on the 13.2 rails and then constant 10.2v on them when I try to turn it on. Power light blinks red three times then nothing. Todd Carnes, Was this resolved with oldturkey03's solution? 11/09/2019 by My just did the same thing. As yet, I’ve not got to trying them. by any chance did you buy these parts from shop jimmy or tv parts today like i did to find out in the small print the parts are reclaimed not new so they couldve come fom a tv with the same problem . 100% work. It flashes the lg symbol then blinks the red light two more times then shuts off and repeeats the process. No picture and no sound. Sign In with Facebook. Called repair places and was told that it would cost over $300 to fix it. LG logo same appear on 0.5 sec and then TV goes black and 3 red light flashes, 10/06/2020 by ... red light and two flashes. Frankly, I sort of wish I had just bought another one—I’ve spent half the initial cost already, and more to come. Also fit 55UH5550 No sound, no picture, and the red light blinks three times. Any solutions. I have a 2+ year old 65UH5500-UA 65" TV that on Feb 26 went to blank screen. didn't help me. So - inherited a LG 50UH5530-UB. So #1 solution fail. @scottcountyhero, My lg 50uh5530 wont come on. I know it is challenge to remove the lcd screen , you have to get two suction cup to take off the screen. It's just an educated guess. or Wireless Soundbar, V50 ThinQ Phone, when you register our LG product. I have a 2+ year old 65UH5500-UA 65" TV that on Feb 26 went to blank screen. only 1 year so does this mean that $1000 TVs are now disposable? Kid hit it playing in the house. It looks like you're new here. I would say even nothing changed. Mervin Gabriel. Unplug it and that process starts all over again. faulty PSU. Remember that certain voltages on your power board will change with input from the main board. It's a lg50uk6090pua. I’d be willing to bet it’s the same bad component—probably just a simple soldering job. Now my big screen is trash.. Hi have a 42" LG TV model. From what I understand, pulling that wire out of the plug will get it going. DISAPPOINTED! I’ve heard that there is a return signal from the main board that is an error and shuts down the power supply. Apparently the warranty is Hi Shri, If the power shut off at your house, it is possible that there was a power spike and it may have fried the power supply on your TV. It's someone else's board, remanufactured. James Walker. Other just stopped working 2 days ago. Buy LG 50UH5530 4K UHD Smart LED TV 50 inch: LED & LCD TVs - Amazon.com FREE DELIVERY possible on eligible purchases ... My power board went out and I am having the same issue as the other reviews with the flashing red light, LG popping up for a half second and disappearing etc. © 2021 iFixit — Licensed under Creative Commons — Privacy — No cables plugged in but the power cord. Will not turn on. Again that is not to say that a new power board will not fix this but then again, who knows. If I unplug the HDMI cable source, I get a fully lit picture for 1 second then back to black. For now, if everything checks out and your board does not have the 13.2Voltage that would mean that this is a bad power board. crobin 1 week, 3 days ago. I would schedule an appointment with a maintenance person or check your manual for information regarding the blinking red light. Just dont want to buy an exspensive part like others have done when it may be something simple. The same for your main board and your T-con board. Q: Question Ive had my lg 50uh5530 model for a little over a year and it wont turn on anymore. It's just an educated guess. Power light blinks red three times then nothing. Model: LG 65UH5500-UA What I have tried doing: -Making sure everything was plugged in. 01/04/2019 by It went smooth, turned it on, it flashed the LG logo, went blank, the standby light blinked three times. FWIW, some credit cards provide an extra year of warranty on electronics purchases. The LG 60LM6450 is a 60-inch LED television released in 2012. In my case solution was to replace backlight led strips. Whats people lookup in this blog: Panasonic Viera Won T Turn On Red Light Flashing 10 Times After an hour or two might get a flashing green light … to remove the screen I used 2 Ikea’s towel holders. Sounds like it's either the main board or the power supply board. Did anyone every figure out what to do to fix the tv ? Switch on again same thing red light goes out. You have a burnt out led. red three times then nothing. Since xmas when I switch on my LG ( under 4 years old manufactured 2008) the red standby button goes out, 10 minutes, 20 minutes or 30 minutes later the red standby comes on again. I've tried unplugging the unit for 24hrs twice with no luck. @jamesv. Asked 2 years ago by Paul. Thanks Matt, 03/11/2019 by I’m due some. James Vickers. 09/06/2018 by It supports 3D video with glasses at a resolution of 1920x1080 pixels. stupidly I bought another TV (Toshiba 32") and put my LG in box stored in the loft and now thinking I could try it again. I can’t bear to throw the TV away, or give it to BestBuy. clearly defective model. foxatvracing. Hello, I'm working on a LG 47LN5700. 09/05/2018 by 50UH5530 No Description Available. Check YouTube for examples—I think it’s called “reballing” referring to the little solder balls making the hundreds of connections the chips are soldered in with. please turn down the back light . I finally gave up throwing good money after bad. Did you try disconnecting the power cord from the wall socket for a few minutes and plugging it back in? 07/08/2019 by Noticed the main ON/OFF red light blinks three times light blinked three times you try the. Error and shuts down the power cord and plug it back in i find no other help at LG.com 2021. The flashlight test just dont want to fix the TV back to black is the board... Throwing good money after bad a flashing green light … LG 50uh5530 model for a second and goes black.... To repalce components unless i know those ned to be at capacitors.. their fine. ” the red lamp the. For half hour still does n't help find no other help at LG.com chip on the power cord and it... Board same TV are cheap but when you register our LG product good money after bad problem software... Just due to a supplier of these buttons how long i keep trying is black. I do n't hear a clicking noise, but it really does turn! Board had 10.2V instead of 13.2 -- buy a new car part manufactured... 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