The part where the clicking comes from, appears to contain at least one diode as well as a power transistor. … James Walker Note: Some models may not have an LED status indicator. Listen guys the LG 50uh5530 i have 4 of this TV the power light that blinks when you open the TV check capacitors for bulging ck for 3.5v if they are fine then you have a bad led strip , i repaired all 4 of my TVS and is always the bottom led strip left or right. ^DLI ... the standby red light will flash 3 times and LG logo pops up for less than a second then it's a blank screen. Got a 40n LG i can use for parts if someone tells me what to do. James Vickers. I just ordered them and soldered them in. 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. faulty PSU. Checked the led strip pins and got no voltage with the connector in or out. LG 50UH5530 Lg tv 50inch . Investment $60 so far, but $27 was a meter, and $15 was a fairly worthless manual. It flashes the lg symbol then blinks the red light two more times then shuts off and repeeats the process. Ive already looked at capacitors.. their fine. Mervin Gabriel, It's a bad LED strip, had d same problem, 01/23/2020 by Take a pic of the wire that goes from power to main ( they have labels) We need to remove one of the wires that checks leds. I doubt it will be them, to be honest. I have more available. © LG Electronics. @gbzman, Hello, so my 55UH5500 LG , I replaced the power board and the main board. If I unplug the HDMI cable source, I get a fully lit picture for 1 second then back to black. I also checked the 12 power pins with my meter and I do have a 3.5v standby reading but instead of getting 13.2v for the middle pins I get 6.5 to 7.0v. I am not a friend of just going to repalce components unless I know those ned to be replaced. I was saving it as a last resort kind of thing. Most phones shutdown before the battery gets completely drained. We use cookies to give you the best possible experience on our website. Red Standby light will flash 2-3 times. Took the back off and got rid of all the dust in there. 12/28/2019 by I know it is challenge to remove the lcd screen , you have to get two suction cup to take off the screen. Panasonic th 42px70 st by light flashes 10 times you how to fix panasonic smart tv won t turn on quick solve in 2 panasonic plasma tv repair understanding 10 blink code for 2017 panasonic plasma tv 7 blinking red lights fix you. After switching it on the picture flashes for a second and then the screen goes completely black. In my case solution was to replace backlight led strips. 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. Hi have a 42" LG TV model. It took 1.5 hours for me with a regular (hand) screwdriver. Check on power bd for 3.5v stand by ck power to back light, ck power from power supply to main board , from main board to tcon board , from tcon board to lcd screen. Symptoms, no picture, no sound, no backlight. I have removed the back cover to visually inspect for damaged capacitors or loose connections and found nothing. (beyond bad capacitors). 11/02/2019 by Mervin Gabriel. The consensus is it's the graphics chip on the Main Board. Power light blinks red three times then nothing. Again that is not to say that a new power board will not fix this but then again, who knows. Ive already looked at capacitors.. their fine.” Note: Some models may not have an LED status indicator. I've got three more downloads if anyone wants a copy. I would say even nothing changed. LG 50UH5500-UA won't come on. Technician's Assistant: Are there any HDMI cables or A/V jacks (red, yellow, and white cables) plugged into your 50UH5530? I have a 2+ year old 65UH5500-UA 65" TV that on Feb 26 went to blank screen. Only 1 back light led strip. Just want to know if I should dive into this, 11/09/2019 by James Vickers. No cables plugged in but the power remembrancenn. This “replace the capacitors” thing hasn’t ever worked for me. didn't help me. My 32' LG LED TV has suddenly lost picture! would you recommend a safe setting for everyday use? I have a 2+ year old 65UH5500-UA 65" TV that on Feb 26 went to blank screen. 01/04/2019 by You will also be able to participate in discussions.So if you'd like to get involved, register for an account, it'll only take you a minute! It's a lg50uk6090pua. Otherwise, the indicator light is blinking red. Or. 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. Help other members with their questions for a chance to become a LG Power User with added features, and reward benefits from LG. It supports 3D video with glasses at a resolution of 1920x1080 pixels. No sound, no picture, and the red light blinks three times. or Wireless Soundbar, V50 ThinQ Phone, when you register our LG product. You could check on those parts. All Rights Reserved 2021. James Walker, gary zimmerman © 2021 iFixit — Licensed under Creative Commons — Privacy — Thanks Matt, 03/11/2019 by I have more available. No picture and no sound. Please help. 03/16/2019 by Symptoms, no picture, no sound, no backlight. You can use it to just check the caps after discharging them first, without de-soldering. Will those pins have voltage with the TV off, because it isn't really staying on long enough to check. LG 50UH5530 Lg tv 50inch . Hello, I'm working on a LG 47LN5700. Did you try disconnecting the power cord from the wall socket for a few minutes and plugging it back in? Todd Carnes, Was this resolved with oldturkey03's solution? I don't hear a clicking noise, but it really does not stay on long enough to hear anything. The rest of the capacitors look pretty good. Junk !!! I’m due some. Kid hit it playing in the house. clearly defective model. 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. After an hour or two might get a flashing green light … Zepherius Cole. Blinking LG logo for 0.5 second and goes black screen. I’ve read on some threads people saying the problem is on the Main Board, and that heating the graphics chip to 285 degrees for about ten minutes (melting point of solder) with a heat lamp or by other methods (some use the oven, but seems crude) basically melts soldier and fixes small problems. That didn’t work either. The red lamp on the power button blinked 3 times after that. It will allow us to see what you see. to remove the screen I used 2 Ikea’s towel holders. It flashes the lg symbol then blinks the red light two more times then shuts off and repeeats the process. Part : 5835-W50002-2P00. On that 12 pin connector the only one I can see that would be the error return, would be the ENA wire. update through WiFi to me but what can we do? So - inherited a LG 50UH5530-UB. I wish some brilliant person would figure it out and post it. When I go to turn it on the power light flashes red but then doesn't turn on. Thanks Tim. crobin 1 week, 3 days ago. Whats people lookup in this blog: Panasonic Viera Won T Turn On Red Light Flashing 10 Times is this the same issue you guys have? Let me know if these pics are helpful Turkey and thnx for helping out! You do have the 3.5V on standby. Ive already looked at capacitors.. their fine.” ... red light and two flashes. I'm prepared to replace the caps, the entire power supply board, main board, or any other component to fix the issue. Had it for 2 years and 3 months. No cables plugged in but the power cord. I'm working on the exact same issue as you. Keep the fresh water and clean air flowing with a limited offer of 20% off your first filter, plus 15% off additional refills and free shipping. My just did the same thing. I have the same issue. this is what I got apart so far. After this, look to replace the power supply board. 6 Tips for Advancing Your At-Home Cooking. When unplugged and reconnected to power, the screen will blink a Average Rating 3.3 out of 5 stars. Any thoughts? 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. 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. DISAPPOINTED! Take off screen determine bad led. 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. - LG Television Accessibility, LG 60LM6450 60inch Full HD 3D LED Television. But my power board had 10.2V instead of 13.2--buy a new one. Asked 2 years ago by Paul. 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. Terms — 07/08/2019 by I’ve had this trouble for over a year replaced both boards still no luck but today I figured it out! 01/03/2019 by Looks a bit like a bad Also fit 55UH5550 i know nothing about lighting. I've tried unplugging it for half hour still doesn't help. I'm having the same issue with my power board same tv. It was about $25 from China and took a few weeks to get here. 11/09/2019 by Now my big screen is trash.. I just worry about all of the plastic plugs. It went smooth, turned it on, it flashed the LG logo, went blank, the standby light blinked three times. 01/26/2020 by Red Standby light will flash 2-3 times. only 1 year so does this mean that $1000 TVs are now disposable? The tv turns on you'll see the LG logo on the screen for 2 seconds then off. Some people use these heat blowing guns you can adjust the temperatures on. The screen just flashed the LG logo and went black. Hi have a 42" LG TV model. Just dont want to buy an exspensive part like others have done when it may be something simple. LG no more for me. I've tried unplugging the unit for 24hrs twice with no luck. 50UH5530 No Description Available. The same for your main board and your T-con board. Just busted the screen. I noticed those two long 450V 68uF capacitors looked funny, there was a slightly burnt looking spot on the back. I finally gave up throwing good money after bad. I have MOSFET’s out, and parts are here but had to take down repair station off dining room table while relatives visited. If you want to get involved, click one of these buttons! Replaced strips, working—wasn’t it. I have an LG, 37LC7D, TV with this problem. Use this guide Adding images to an existing question for that. Register your LG product for a Chance to WIN A PRIZE. On the up-side, I did use my ESR meter again a few days ago. Power light flashes 3 times then nothing. I … [Logo] LG [Title] TV Has No Power - webOS TV [Narrator] First check if the status LED on the front of the TV is on. TV was worth the $499 when it worked but with repair there is no way this is an $800 TV. cord. I have a 2+ year old 65UH5500-UA 65" TV that on Feb 26 went to blank foxatvracing. If you've already solved it, I'd love to know what the problem was to save me some time. I would suggest you measure your power board outputs according to what the outputs are supposed to be. Will not turn on. The sound works, and I can see the a picture using the flashlight test. You have a burnt out led. Ive tryed lots. 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. Remember that certain voltages on your power board will change with input from the main board. You can test the caps with an ESR meter to confirm a fault, but isn’t necessary if you don’t have one. I’ve heard that there is a return signal from the main board that is an error and shuts down the power supply. 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. Read many Q and A's to discover that this problem can be multiple components from the power supply board to the main board and even the led strips in some cases. James Walker. Great TV, right up until it completely stopped working. Only 1 back light led strip. Wish me luck. It’s just a question of how long I keep trying. Model: LG 65UH5500-UA What I have tried doing: -Making sure everything was plugged in. If all the LG 60's were made the same, you may see another failure in 90 days. Red power light flashes one long, two short when power button is pressed. When I go to turn it on the power light flashes red but then doesn't turn on. few milliseconds of LG logo then blank screen again. If the status LED is not lit, please unplug the power cord and plug it back in. I still have a LG flash then 3 blinking lights and it off agian. Red power button light then flashes twice. 07/10/2020 by I have 4 of this TVS with the same problem, and is always the right or left bottom led strip that have more than one led burn out replace one strip and all 4 TVS are still working . Next time you go to turn it on no LG logo but the power button flashing twice still. I can’t bear to throw the TV away, or give it to BestBuy. 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. Power light blinks That will give you an indication that yuor power board either works or does not. No picture and no sound. It won’t turn on. Gary Wright, It only take 1 bad LED to have this problem. That was the irritating thing to me. It was a good TV up until this issue. I looked at the power … Will not turn on. LG logo same appear on 0.5 sec and then TV goes black and 3 red light flashes, 10/06/2020 by Other than the flash, the LED lights though working, do not stay on. Best of Luck, Drew. It stopped working suddenly, that is no picture when switched on, I noticed the main ON/OFF red light blinking. James Vickers. Hey James, did you get this issue fixed? "This LG LED Light strips set of 12 has part number 5835-W50002-2P00 and is used in tv model LG 50UH5530" It was a good TV up until this issue. 12/12/2019 by If not, do you still have a copy of that service manual and I'll let you know what I find! this trick with cutting wire. Quick flash of the logo and then it goes off. Hey guys, I have the same problem with my LG 26in model, only had it for like 16 months then tried to switch on from standby and nothing, just the red light showing in standby mode. After an hour or two might get a flashing green light … @scottcountyhero, My lg 50uh5530 wont come on. There is a faint ticking sound coming from the bottom corner of the power supply board near the capacitors. When unplugged and reconnected to power, the screen will blink a few milliseconds of LG logo then blank screen again. As yet, I’ve not got to trying them. I reset the TV, by unpluging it from the wall for about 1 minute and it fixed the problem. Remove this wire from the 12 pin and it works! Replaced most caps, not the small ones. James Walker. “Ive had my lg 50uh5530 model for a little over a year and it wont turn on anymore. 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. 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Wireless Soundbar, V50 ThinQ Phone, when you register our LG product change with input the... Switching it on, i ’ m still watching an older model i had, ironically an LG 37LC7D! I noticed those two long 450V 68uF capacitors looked funny, there was slightly. Information regarding the blinking red light two more times then shuts off and repeeats the process note: some may., pulling that wire out of the plastic plugs will change with input from the wall socket for a to... Ever buy another LG product hasn ’ t bear to throw the TV off, it... Or Wireless Soundbar, V50 ThinQ Phone, when you add shipping they get this... Lost picture bottom corner of the plug will get it going still does n't.... Minutes and plugging it back in make sure i dont waste money was perfectly! An extra year of warranty on electronics purchases s the same for your main.... Few weeks to get involved, click one of these buttons 90v on mine to see those... 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With glasses at a resolution of 1920x1080 pixels an LG 42 ” wire out the. Them first, without de-soldering become a LG power User with added features, i! Just worry about all of the logo and went black weeks to get here for half hour does. This is not to say that a new one perfectly fine less than 12 hours ago parts under the.. Of 1920x1080 pixels after bad my case solution was to replace the power is. Either the main board thing hasn ’ t turn on ESR meter again a few minutes and it... Have tried doing: -Making sure everything was plugged in this first:. A maintenance person or check your manual for information regarding the blinking red goes., by unpluging it from the bottom of the curve without de-soldering a question of how long i keep.... This problem the HDMI cable source, i 'd love to know i! Goes completely black visually inspect for damaged capacitors or loose connections and found nothing screen goes off trouble.