July 10 by You can test the caps with an ESR meter to confirm a fault, but isn’t necessary if you don’t have one. Here is a picture with red arrows pointing to all the electolytics on your power supply board: Look for any capacitors that are bulging, or even leaking, from the top vent. James Vickers. you couild measure to see if those are existant on the bottom of the board. I agree this is where I will start. I don’t trust the boards you buy either to be functional. Other than the flash, the LED lights though working, do not stay on. Permalink; History; Fxed my LG 50uh5530! Todd Hoomer. this is what I got apart so far. Todd Carnes, Was this resolved with oldturkey03's solution? James Walker When I push ANY button, the red light flashes 3 times and then goes off. just was blinking LG logo for 0.5 sec and screen goes black. Replaced most caps, not the small ones. LG logo same appear on 0.5 sec and then TV goes black and 3 red light flashes. James Walker, gary zimmerman My tv just randomly shut off and now won’t turn on. Ask Your Own TV Question. © 2020 iFixit — Licensed under Creative Commons — Privacy — Share this conversation. Any solutions. i know nothing about lighting. @oldturkey03. Red power button light then flashes twice. James Walker. Will those pins have voltage with the TV off, because it isn't really staying on long enough to check. Tv won’t power on 5 shoe7463 Member. The red lamp on the power button blinked 3 times after that. Replaced LED strips and everything is fine now. 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 . I just bought a LG 55UHD61. I doubt it will be them, to be honest. I can’t bear to throw the TV away, or give it to BestBuy. please turn down the back light . It's someone else's board, remanufactured. It's a lg50uk6090pua. It supports 3D video with glasses at a resolution of 1920x1080 pixels. All capacitors look fine. As yet, I’ve not got to trying them. Frankly, I sort of wish I had just bought another one—I’ve spent half the initial cost already, and more to come. Any thoughts? You can use it to just check the caps after discharging them first, without de-soldering. It went smooth, turned it on, it flashed the LG logo, went blank, the standby light blinked three times. February 2018 in Other TVs. Mark where you already checked the voltages. Options. LED leads are putting out almost 90v on mine. Accessibility, LG 60LM6450 60inch Full HD 3D LED Television. One on the left 43in works fine. I have removed the back cover to visually inspect for damaged capacitors or loose connections and found nothing. Zepherius Cole. That didn’t work either. would you recommend a safe setting for everyday use? I am not a friend of just going to repalce components unless I know those ned to be replaced. I just ordered them and soldered them in. Red light flashing 3 times. Rep: 1. Essentially it is the main board that controls teh power board. I will never ever buy another LG product ever .. Cancel Post comment. Show Less. Show More. Can you post a link to a supplier of these particular capacitors. The red light at … I know it is challenge to remove the lcd screen , you have to get two suction cup to take off the screen. On that 12 pin connector the only one I can see that would be the error return, would be the ENA wire. Red light in the corner flashes 3 times and repeats. I don't hear a clicking noise, but it really does not stay on long enough to hear anything. Replaced strips, working—wasn’t it. TV Technician: Aric, Technician replied 6 years ago. Looking for further advice to make sure I dont waste money. this trick with cutting wire. Thanks Matt, 03/11/2019 by LG 65UH5500 UA, manufactured in May 2016, purchased in Jan 2017. September 23, 2018, 7:40 am. Wasn’t it. I would suggest you measure your power board outputs according to what the outputs are supposed to be. Use this guide Adding images to an existing question for that. Got a 40n LG i can use for parts if someone tells me what to do. well there is one way to check if it is your led strips, unplug them from your power supply and see what happens,measure the voltage from the power board at the led connectors the do the same with them plugged in if voltage stays the same then it is not the back lights ,measure all voltages from power power withthe led disconnected.