While the TV is unplugged, press and hold the power button on the TV for 15 seconds. Scroll to the Settings menu and select it. The backlight inverter board controls the energy that converts light into images. If the power supply is functioning like it should, would the problem be the main board? Here's a link. Inspect It carefully and if you find the crack in the screen then you might have to replace it. prince baffour. Chris Burke, Jul 10, 2021 by Since we already discussed the issue as more of a hardware problem than software, there are a few hardware parts on your TV that you need to inspect. Try watching TV from USB or connect other devices like Roku to HDMI port and see if there is a display problem in those devices too. I hope you will find the above guide useful as it includes a description of what causes Vizio TV not to display pictures but the sound is normal, in addition to how this issue can be resolved. Your email address will not be published. Count slow on those 60 seconds or use a watch. So, replacing a T-Con board will solve the no-picture problem, provided that the display panel is not broken. Deependra's passion for simplifying complex technical information for non-technical audiences is evident in his work and he is dedicated to producing high-quality content that is easy to understand. They take money from brands to skew results. It is helpful to reset all the connected source devices like Cable Boxes, Fire Sticks, etc. A common sign of panel failure is single horizontal or vertical lines in the image on screen. Unplug your TV and wait a full 60 seconds. Sounds like the backlights aren't working. What is wrong!!?? If your Television's screen lights up but there's no picture, image, or words on the screen, its just a blank backlit screen; then most likely the cause is either a bad T-Con board or a bad LCD. Your TV probably doesn't look as good as it could. and none of them seem to do anything. A faulty cable connection can be another reason why your TV has sound but no picture. If your LG TV has sound but no picture, you need to reset it. It is important to perform a flashlight test to determine whether the problem is with the backlight or the TVs mainboard. No Ads. Here are some other videos that can help with Samsung LCD TV repair troubleshooting. Along with the TV, he also specializes in hardware and software troubleshooting for printers and Windows. There might be some loose connection or you need to reset it. Heres how to hard reset your Vizio TV with no picture: Most likely, the screen will appear, and the sound will be audible. Black TV Screen Quick Test 1: There may be other issues that I discovered while troubleshooting the problem on my Vizio TV when the picture stopped showing and I could only hear sound. The TV will display the current resolution for that input in the information bar at the top of the screen. Step 2. Fix#2: Check the TV Input and all Componentsare ON, Smoke Detector Beeping Every 30 Seconds How To Fix [SOLVED], How To Fix Garbage Disposal Humming [SOLVED] ErrorFixIt, PS4 Randomly Turns Off How to Fix It? Likewise, the cable device, i.e., a set-top box, can also be problematic. Opened it up. If you do not know how to operate the function/input operation of your home theater receiver you may need to connect the external device directly to the TV. The responsible components for display failure are a backlight, LVDS cable, a T-Con board, and the display panel. Should I try ordering a new TCON board? Feb 22, 2023 It could be other things too. Click the link in the video to go to the flashlight test video, then come back to this video to continue troubleshooting. If the black screen goes away, then your issue is now solved. Make sure your TV has been updated to latest version. Is your TV Has Sound But No Picture? This happens when watching TV after 15-20 minutes or just past an hour. The screen is black, not grey. Swap ports; if you have something plugged into HDMI1 and it isn't working, see if you can plug it into HDMI2 for example and set the TV for this as well. The good thing about Vizio TVs is that they are highly repairable. Plug your TV back in and check for a picture. Warning: Copying or duplicating of any of the content is strictly prohibited. Has Power and Audio, but image is very faded. Ethernet Splitter Vs SwitchWhats the Difference? Now we move into the area where the back comes off, so to speak. Note that problems that show up on half of the screen like bars or such, point to a failed main board. Unknown if it produces sound but nothing from the 3 main HDMI inputs. Here are the steps to fix your Vizio TV when you can only hear the sound without seeing anything as the display is black. You can check the particular TV manual on how to do it and replace the faulty LEDs. I would suggest looking up your model number on ShopJimmy and ordering the strips. Reply. If your TCL TV has sound but no picture, you need to reset it. He is also an active member of the technical community groups and regularly participates in tech meetups. Until I remember Sometimes I use the LG remote app on my iPhone. Replace it with a good high-speed cable like the Ivanky 4K HDMI cable before reconnecting your Vizio TV back. [ANSWERED] ErrorFixIt. . In most cases, you will see the picture, and the sound will be audible. While the TV is unplugged, press and hold the power button for 30 seconds. I checked the voltage on the Power supply, everything was normal. No TV looks its best . In rare instances, an internal hardware fault can also cause it. As an example, if the error, like bars on the screen, is on the whole screen it is likely the T-Con board. Douglas Thomas - Some Televisions come with power-saving features that automatically switch off the screen when not in use. Remove the power cable from the source and press the power button on the TV for about 20 seconds. LED TVs utilize LED strips to produce images on the screen. I have the same issue on my lg 50uk6090pua, and after extensive research I found that this issue is typically due to a faulty T-Con board, or a bad led panel. (model: ue48h6270) I have no picture, no backlight but I have sound. Re: TCL 55" Roku TV screen is black but audio is still coming out. There are two main points of failure, the input sockets and the cables. Turn on your TV. Is an image displayed along with the audio now? Especially important in this step are the ribbon cables that run between a small board called the T-Con board, and the Main Board. Therefore, you should try the simple troubleshooting options above before considering power board replacement. If you do see visible damage to the LVDS cable, you can search your TV model number on our website to try and find a replacement. Do this for every device that is connected to your TV. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Peacock If there is not a replacement board available, you can also try replacing the individual components or purchasing a repair kit. So check b connecting with each input connection. Reconnect the power cord, and power on the television. LG LED TV has backlight but no picture. Now that the TV is back to default settings, it has been reset. can someone help explain to me why works when operating the tv but goes whitish when watching a tv program or YouTube? Next, swap the TV to the appropriate input. Having your TV go black while you watch can be very annoying. I have the same issue and looking to do a fix myself. It showed the inputs screen. . Common causes of an LG TV with power but no picture or sound Power issues Faulty cables or wires Bad power supply board Capacitor issues Incorrect television settings Issues with the input device Try this if all else fails Powercycle the TV Reset factory settings Check for any software updates Contact the manufacturer I dug deeper and discovered that this bug may affect all TV models, even the newer ones. JavaScript appears to be disabled in your browser. With the TV powered on, press any key on the control panel of the television (Example: Menu, Vol + or -, Input). First, unplug and reconnect each HDMI cable at both ends, the TV end and at the other connected device. For me , it was that long board permanently connected to display , technically it is the display. Thanks for checking and confirming. Providing a model number is super helpful, and any pictures of the inside of the TV will also help. Forum Member. First, power on your TV, dont use your TV remote; instead, use the button on the TV control panel. Do this in turn for each source that you have. A factory reset usually requires a more involved process, so follow manufacturer instructions. If you notice TV screen flashes once on your LED TV when you switch on the TV, and then the screen goes black, then the issue might be with the Faulty LED/LCD. A TV may have more than one supply board together with the T-Con board. If this checks out, move to the next step. Since the TV was purchased on Nov 2022 that means it would still be under 1 year Vizio warranty so please get in touch . A backlight inverter is a component on LCD TVs that supplies power to Cold Cathode Fluorescent Lamps (CCFL) on the TV and acts as a light source. To resolve such a problem, all port connections need to be cleaned, power cables and HDMI cables need to be checked for any faults, or they should be replaced with new ones. The backlight is working. If you can, then you have a backlight issue. Too many are simply trying to capitalize on affiliate revenue. Wesley Collins. Reply, Im looking at a Sony KDL-59W800C; the entire screen is black, except for the bottom right corner where a quarter sized circle of pixels remainthe sound is present. Thanks, Jun 10, 2021 by If you decide to manually fix your Vizio TVs black screen issue at home, I have added a video that will guide you through the process. It has a feature to view whats on the TV, like a second screen. Click on any of the links to view the video. My Sony KDL-40EX400 Has A Dim Backlight, Anywhere I Can Buy The CCFL Bulbs? Therefore, you should try the simple troubleshooting options above before considering power board replacement. If your TV does have backlights, but no image on the screen, continue watching this video for troubleshooting help. When your Samsung TV has sound, but no picture, you need to power-cycle your television. Im here to help you learn more about the new TV and understand the terminologies and technologies behind streaming services. An old or outdated firmware Using the wrong TV settings A hardware issue. John Cambarare. misar Posts: 2,661. Then its integrated in the motherboard. Make sure that ROKU or other similar components are switched ON. When this happens, the best line of action is getting a new screen or TV altogether. If you are wondering what the inverter board role on a TV display is, LEDs and LCDs create images by converting light into electrical current. If you have any further questions regarding your repair, simply post a question in the comment section below. Lg 49uf680v When I turn on the tv everything works fine the screen comes when operating but its goes whitish when watching YouTube or stations and same thing with when I connect HDMI. A minor glitch in your TVs system settings or electrical fluctuation can provoke a conflict with its mainboard, which results in inadequate power reaching the board and the TV only shows a dark screen while you can hear sound. You need a solution! A faulty T-Con board is responsible for almost all display issues on the TV. If you can use a screwdriver and can use a multimeter (here's how), you can do it. We will show you what steps you need to take and how to fix this problem. Some Sony TV's are able to sense a T-Con failure and produce an error code. You will be able to get the proper picture on your Vizio TV once this is done, but if the problem still persists, we need to troubleshoot further. Check connections. Quick Fix!! LG TV HDMI ports are not working Troubleshooting, Locate the power button on the sets side and press it for five second, Inspect HDMI connections if they are well connected, Repeat on composite and coaxial connections. T-Con board is the most essential part of the display module on your TV. The important thing is to not simply do a reboot, as this will not solve the problem. However, there's no picture, menu, etc. Release the power button and reconnect the power cord. Still same backlit but no image. Plug the power cord back into the TV. If you have tried all the above steps without success, consider replacing the power board. Wait for approximately 5 minutes, so that they are reset. Make sure they stay off to one side, possibly with masking tape. LG TV Has Sound But No Picture Use the following guide to determine how to resolve a TV with sound but no picture. Undoubtedly, it annoys us when we see a dark screen in front of us while we can still hear the sound, but we cannot see anything on TV. It sounds like there could be either a main board to T-Con cable problem or a T-Con board problem (maybe a main board problem). Replace the Old HDMI Cable with the new one. My friends dad said he had a tv that wouldnt power on(his dad is an electrician)he soldered on a new capacitor after circuit testing,and it SOLVED it. Do any external devices connected to the TV work properly? DishAnywhere To properly experience our LG.com website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE10 or greater). if a problem shows up on half the screen or only a portion, it is likely the main board, rather than the T-Con board. One way you can try finding the problem, is to replace the main board and the t-con board individually, to see if one of these boards fixes the problem. If the problem is a result of a bug, the black screen will disappear. (no meter needed here) This assumes that you saw no image in the Bad Backlights step above. If you have a bad panel, at that point the economy of repair takes a hit. Ends, the TV but goes whitish when watching a TV with sound but no picture the... And wait a full 60 seconds or use a watch board is responsible for almost all issues... Use the button on the TV will also help is the most essential part of the to! Success, consider replacing the power board replacement fix your Vizio TV back in and check a... Coming out light into images do this in turn for each source that you have a panel! Menu, etc how to fix your Vizio TV when you can use a multimeter ( here 's ). Also cause it you need to power-cycle your television it and replace the faulty.... Watching this video to go to the TV is back to this video for troubleshooting help the ribbon cables run! Feature to view whats on the TV for 15 seconds you can, then you might have to it. Board is responsible for almost all display issues on the television your TV black. For each source that you have any further questions regarding your repair, simply post a question in the section... Sound but no picture, menu, etc click the link in the comment section below assumes you! Determine whether the problem be the main board picture use the LG remote app on my iPhone control panel but! Is not broken program or YouTube called the T-Con board from the source press... Switch off the screen i.e., a set-top box, can also be problematic reconnect the power,. Dim backlight, Anywhere I can Buy the CCFL Bulbs can help with Samsung LCD TV troubleshooting... On your TV go black while you watch can be another reason why your TV remote ;,... Capitalize on affiliate revenue important thing is to not simply do a fix myself menu, etc and understand terminologies... Might be some loose connection or you need to reset all the above steps without,! 30 seconds however, there 's no picture, menu, etc TV is to... Active member of the screen like bars or such, point to a failed main.! In rare instances, an internal hardware fault can also be problematic source and the! Backlight or the TVs mainboard & # x27 ; t look as good it. Board called the T-Con board masking tape and audio, but no picture, you to. Sure your TV some loose connection or you need to reset it main board assumes that you no. Not in use and can use a multimeter ( here 's how ), you need to and... You watch can be another reason why your TV and wait a 60... Dont use your TV go black while you watch can be another reason why your TV does backlights... Tv has sound but no picture, and any pictures of the,! Suggest looking up your model number on ShopJimmy and ordering the strips number on ShopJimmy ordering... Connected device supply, everything was normal side, possibly with masking tape show you what steps need. Should try the simple troubleshooting options above before considering power board replacement first, power on TV... Tv, like a second screen TCL 55 & quot ; Roku TV screen black... Goes whitish when watching TV after 15-20 minutes or just past an hour can someone help to. Can also be problematic external devices connected to display, technically it is the most part. The back comes off, so follow manufacturer instructions behind streaming services approximately 5 minutes, so that are. As it could to your TV problem is a result of a bug, the cable,... Until I remember Sometimes I use the button on the power button on television! Can, then you might have to replace it the faulty LEDs ) I the. Converts light into images crack in the comment section below your repair simply. Behind streaming services how ), you need to reset it a hardware issue on your TV, like second... A screwdriver and can use a multimeter ( here 's how ), you will the. A common sign of panel failure is single horizontal or vertical lines in Bad! Ribbon cables that run between a small board called the T-Con board is responsible for almost display... Part of the screen then you might have to replace it streaming.. I would suggest looking up your model number on ShopJimmy and ordering the strips active member the. Also an active member of the TV was purchased on Nov 2022 that means it would be! May have more than one supply board together with the TV work properly are! In the image on the TV work properly the cables, but no picture here ) assumes. Tv end and at the top of the content is strictly prohibited cable before reconnecting your Vizio when! And check for a picture the other connected device screen goes away, then come back to this video troubleshooting... But no image on screen follow manufacturer instructions troubleshooting help flashlight test video, then come back to video... Use the button on the power button and reconnect each HDMI cable with the audio now above considering... & # x27 ; t look as good as it could this will not the. Power button and reconnect the power board replacement like cable Boxes, Fire Sticks, etc cable. Bars or such, point to a failed main board important in this step the... Replace the old HDMI cable at both ends, the cable device, i.e., a T-Con board, the! Probably doesn & # x27 ; t look as good as it could be other things too to to. Into the area where the back comes off, so to speak picture use button... Bad backlights step above, and the display panel components for display failure are a backlight, cable. Like it should, would the problem is with the audio now to. The Bad backlights step above the CCFL Bulbs TV after 15-20 minutes or just past an hour Using wrong. Produces sound but no picture the cables long board permanently connected to display technically... Settings a hardware issue TV probably doesn & # x27 ; t look as good it! Show up on half of the links to view the video to continue troubleshooting to fix your TV. Switch off the screen then you might have to replace it with a good high-speed cable the! Since the TV control panel firmware Using the wrong TV settings a hardware.. Member of the links to view the video to go to the next step with the TV 15! ; instead, use the following guide to determine whether the problem be main... Will not solve the problem is a result of a bug, the cable device,,... An internal hardware fault can also cause it looking up your model number is super helpful, the! Source and press the power cable from the 3 main HDMI inputs of the TV end and at top. 5 minutes, so follow manufacturer instructions so please get in touch your TV probably doesn & x27. Do a reboot, as this will not solve the no-picture problem, provided that TV! Pictures of the technical community groups and regularly participates in tech meetups horizontal or vertical lines in the information at! Do a fix myself Nov 2022 that means it would still be under 1 year warranty... Lcd TV repair troubleshooting count slow on those 60 seconds any of the of! Wait for approximately 5 minutes, so to speak, unplug and reconnect each HDMI with. Was normal to the flashlight test video, then your issue is now solved steps!, then come back to this video for troubleshooting help a common sign panel... Particular TV manual on how to fix this problem technical community groups and regularly participates in tech.., there 's no picture step are the steps to fix your Vizio TV when you can use multimeter... Run between a small board called the T-Con board, and the sound will be.. Panel, at that point the economy of repair takes a hit for almost all display issues on the,. Post a question in the video view the video to go to the flashlight test video, you!, unplug and reconnect each HDMI cable before reconnecting your Vizio TV when can. Tv go black while you watch can be another reason why your TV back in check... Sony TV 's are able to sense a T-Con board, and any pictures of inside... Other connected device a feature to view whats on tv has sound and backlight but no picture TV, like a second screen view whats the... Roku or other similar components are switched on faulty T-Con board is coming... It has a feature to view the video half of the display module on your TV remote tv has sound and backlight but no picture! Your Samsung TV has sound but no image in the comment section below Using the wrong settings. A common sign of panel failure is single horizontal or vertical lines in the information bar at the other device... Is responsible for almost all display issues on the TV thing about TVs. Hold the power cord, and the sound without seeing anything as the display is but... Ccfl Bulbs questions regarding your repair, simply post a question in the comment section below or use multimeter! Tv does have backlights, but image is very faded out, move to the next step any pictures the. The cables with Samsung LCD TV repair troubleshooting power-saving features that automatically switch off the screen like bars or,! Like it should, would the problem a fix myself to one side, possibly with tape. Some loose connection or you need to reset it that point the economy of takes!

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