Nothing, except the unusually bright backlight. When it's switched on, the backlight comes on for a moment but then goes off again. Safely open the TV and check for loose ribbon cables, burnt capacitors on boards, etc… If you get backlight and image on one side, you have a bad panel. Unplugged the power cord for the suggested 2 minutes and plugged in and switched on without any change. I turned the TV off and on, only to have a dim picture again before fading to black. Unplugging a tv usually does drain power,but capacitors can hold some electricity. By Jestine Yong on January 3, 2017 A customer of mine sent to me this BG LED TV with the complaint of have sound but no picture. If the Vizio TV screen is not cracked or damaged, then there is an issue with a circuit board or a loose ribbon connection. How To Fix A Microwave Oven That Will Not Turn On? I looked the internet and it seems this problem is wide spread with Samsung smart TVs. A back-light inverter board should be from $10 to $25 dollars depending on your TV model. CAPACITORS CAN BE DANGEROUS,SO MAKE SURE YOU ONLY TOUCH THE PLASTIC HOLDERS,AND DONT SHORT ANTHING. The backlight is seems to be working and looking at the boards I can’t see any obvious problems with them. ; none found. Turn the lights off and make the room dark. So I have been troubleshooting this TV and now can switch the inputs to get sound. Outdoor Christmas Lights Decorations And Ideas, Is My Smoke Detector Working? You are best off buying the backlight inverter board and installing it yourself. If you have replaced multiple boards and components in your Samsung TV and you still have “TV Shutting off after 20 or 30 minutes but still has sound”, you need to completely factory reset your TV and disable all power saving options. Vizio took me through steps that that did not work but would not replace the TV. I have a tv that suddenly stopped displaying the picture. The menu does not display. 03/18/2020 by TV Has Sound But No Picture Troubleshooting Guide. Until I remember Sometimes I use the LG remote app on my iPhone. Save my name, email, and website in this browser for the next time I comment. Repair guides and support for your LG TV. -RR. I will do the trick you wrote about in checking the back light (with flashlight on screen) Would you have any other tips? There are places that specialize in repairing tvs. Vertical line or horizontal line? I had disabled them in the process to this point. You will need to have a DMM (digital multimeter) and know how to use it and also know how to read circuit diagrams. -RR. TV Has Sound But No Picture Troubleshooting Guide - YouTube After researching and troubleshooting, I am stumped and concerned if it is salvageable, as well as do not want to repair by playing the replacing parts game. The backlights come on like normal. With just one bad LED, the TV will shut down thus no picture can be seen. The screen is getting power as the backlight is on, the backlight also dims when I change the channel, but there is no picture at all. So I then replaced the main board which got me to where it is now, shutting off after 20 min but there is still sound. Washing Machine Leaking Water From Bottom – How To Fix? When an inverter component goes bad, it … I have a Vizio VO47LFHDTV10A tv that has sound and no picture. It puts a layer of thin frost on the components,and allows you to see how fast they heat. So far I have replaced the T-Con board and the Power supply/LED Driver Board and no … Click to share on Pinterest (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to email this to a friend (Opens in new window). If this has not rectified the issue, ensure that the backlight of your TV is turning on. But if you’re lucky,it will be something simple like a bad capacitor,and it will be black or look bad(stand out from the rest). What Causes The Bad Smell In My Dishwasher? When I turn it on, the backlight come on, but there’s no picture(No LG logo or anything). I don’t think it’s the connector cable. With the back of the TV off, the TV booted with the left tcon ribbon cable disconnected and there were 3 led lights lit up on the tcon board. I’m only 20 and am just beginning to practice diagnosing components. Thanks for the help…, Hi there Replacing a part is easier than diagnosing it sadly. Hello I have an element 55″ 4k element Not even the on-screen menus. Copyright 2020 RemoveandReplace.com - DIY Projects / Tips / Tricks / Ideas / Repair Screen sometimes flickers. It can be a bad video card(maybe a capacitor on the video card). I have Samsung TV model # UN46C6300SFXZA. I got this TV and the owner indicated there was sound but no picture and he could see moving images using … Continue reading LG 32LB5600 No Backlight – Has Sound but No Picture → A capacitor kit for a TV board is ultra cheap. Sometimes issues can be causes by incorrect HDMI format settings. But when I turned it on I heard the sound from the show I was watching but no picture came up. The screen shuts off after 20 to 30 mins of watching but there is still sound. ive tried the rest several times and it has been unplugged for months. Screen is NOT cracked. To see if the back-light has gone out, turn the TV on. to test or read TV parts on power circuit boards commonly in LCD, LED, Plasma. Water Heater Leaking Water – How To Fix The Water Leak? Notify me of follow-up comments by email. I have a lg flat screen maybe less than 5 years old , watching tv when the tv looked like it went off but the sound was on. I’m able to change channels but no picture. How To Change Fan Speeds On A Ceiling Fan? So then I replaced the t-con board. From TV source it shows horizontal white and black flickering image with message “weak signal” in the center of screen (I have no antenna cause I have cable service). Mrs Jones, Most likely a circuit board issue in the TV if the TV turns ON but there is NO picture and NO sound. Why Does A Circuit Breaker Keep Tripping? Message is “no signal detected”. There is a known problem with some 2014 E series Vizio sets that causes the LED back-lighting to stop functioning. Make sure you don’t get a simple voltage tester for ac. Possible TV Back-Light Inverter Board Issue: This kind of problem usually caused by one of the bad backlight LED in the LED bar. When I turn it off the screen appears to power up normal for a split second and then goes off. What to do? Learn how your comment data is processed. 50″ Seiki, SE5OUY04, 4.5 years old. We were watching when the picture scrambled...reduced to the top 6 inches of the screen and then disappeared. The backlight lights, but there is no response from the panel. Im use the remote is work, change the channels, inputs, volume. My Lexuco TV screen turned black but still have sound. How To Fix A Clothes Dryer That Spins Slowly? Im really like this TV i dont want to throw away. I checked the voltage on the Power supply, everything was normal. Earlier today I was watching a show my 39'' RCA LED TV. There is freeze spray on amazon...it’s made for electronics. Clothes Dryer Vent Hose Air Flow after Washing in Dishwasher – 10 Helpful tips which capacitor has gone.... Watch – how to Fix a Microwave Oven that will not Heat up – how to stop SUDS Error., Clothes Dryer that Spins Slowly questions on JustAnswer a Front Load Washing Leaking! All only takes one failed LED modules screen had sound but not seeing any picture ad/or messages indicating the! 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