To find the LVDS cable, you first need to. If only one device has the problem, proceed to the next step. After you do this, plug the set in and see if you now have an image. Warning: Copying or duplicating of any of the content is strictly prohibited. Additionally, if youre having this issue while figuring out how does a streaming TV work, the answer is quite simple. Checked all the connections, unplugged it for a day and plugged it back in. Unplug your TV and then plug it back (wait for 5-10 minutes). Either yes or no, contact the cable operator and ask them to look into the issue. Fortunately for you, we have compiled a step-by-step guide on how to fix a TV with no picture but sound. This board processes all the display signals from the motherboard of your TV and passes them to the display panel. Plug the TV in and turn it on. I changed out the main board and it fixed it. If it's working, you are done. When it fails, the display panel can not get light to produce images, and you encounter no picture issue. After the 60 seconds are up, plug your LG TV back in. Faulty connections: A blank screen is sometimes caused by loose connections. It can be a serious hardware issue if your TV plays sound but displays no picture. (model: ue48h6270) I have no picture, no backlight but I have sound. They take money from brands to skew results. Nothing worked. Do this for every device that is connected to your TV. Here, we will be discussing steps to replace each of the components. Where do the ribbon cables go to? Nonetheless, you may also experience the issue when you have poor cable connections or a damaged display panel. However, to replace the power board, you need the following things: If you have the three items, replacing the power board is possible. If your TV uses HDMI cables, consider swapping them for new ones. However, if your TV has a separate backlight inverter board, you can consider replacing it. . Some newer models will have an HDMI test mode. If the backlights came on in the previous step, this is just a double check. 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. First of all, try this: Step 1. Use a leaf blower or hair dryer to clean all vents and put it at the right angle to blow air over the board circuits. no picture but sound on. (Heres Why And How To Fix). This might cure the no picture problem, and it is pretty simple to do. Release the power button and reconnect the power cord. Now press the menu button on the TV remote. If not, you can also get a replacement RCA cable and connect it. Take the TV off the wall and place it flat on the surface so the face is facing down. Click on any of the links to view the video. misar Posts: 2,661. Almost certainly not a T-Con board. 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. After this, wait for a few minutes before putting the TV back on the wall and then check if you are still able to watch it without any issues. On the other hand, if you still do not see the picture, the problem lies with the power board and we need to proceed further to identify the fault location. Thanks for taking a look. 2. I have sound but no picture. Take the remote and point at the TV. Press the [RES] or [Resolution] button on the front of the box until it is set to 480p or higher (preferably 1080i). Wesley Collins. Most of the TVs have a backlight inverter integrated into the main board. Do this in turn for each source that you have. You can contact him at deepen@technewstoday.com. Ive had both Vizio and LG TVs backlights go out before, but have never seen this one before. STEP 1 Power On the TV STEP 2 Check Cable Connections STEP 3 Inspect Other Input Devices STEP 4 Replace Cables if Necessary STEP 5 Try Another Device STEP 6 More Learning Having your TV go. When your television has sound but no picture, then there can be several issues with the TV which is causing the issue. He is also an active member of the technical community groups and regularly participates in tech meetups. Wearea participantin the AmazonAssociates program. Plug in the cable running between the power board and the Main Board, which was disconnected in the previous procedure. Therefore, you should try the simple troubleshooting options above before considering power board replacement. How to Fix No Picture on TV but Has Sound? He is also involved in different robotic projects and loves tinkering with circuit boards. Use a known good cable and swap it with the cable from a particular source. Forum Member. It is important to perform a flashlight test to determine whether the problem is with the backlight or the TVs mainboard. I checked the voltage on the Power supply, everything was normal. If you are using ROKU or other similar device to watch the television then you can do the following steps: Often the TV input label is missing or marked incorrectly which can cause wrong TV input issues. If you see the MENU appearing on the TV screen, then there will be some issues with the components of the television. In rare instances, an internal hardware fault can also cause it. The good thing about Vizio TVs is that they are highly repairable. https://www.shopjimmy.com/tcl-55s405-service-no-55s405tmaa-complete-tv-repair-parts-kit.htm, https://movaz-trade.com/tcon-board-model-18y_55hu11up26axslv0-1-tcl-model-55s421/, Samsung tv blinks backlight but doesnt turn on. Check that your cables between devices, power, cable box, and auxiliary devices are tightly fastened. A faulty cable connection can be another reason why your TV has sound but no picture. Please enable JavaScript to ensure you get the most out of the LG site, products, and services. If the TV is receiving 480i resolution, you will need to contact your provider to adjust the resolution on the box before you can proceed further. Sometimes a setting can get glitched. meaning a faulty power supply or backlight component, though there are many possible failure points.This issue could be a manufacturing defect, but is also often caused by a power event (shock/surge, prolonged over/under voltage condition, etc). Fixing a TV with no picture but sound should not be problematic as long as there is no issue with the TVs hardware. Save my name, email, and website in this browser for the next time I comment. Chris Burke, Jul 10, 2021 by Stream Diag is your ultimate source of information, reviews, and troubleshooting guides for streaming media and software across different platforms. Here's a link. 1. Meet Deependra Pangeni, A professional Computer Engineer who has been writing about technology for many years. 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. 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. The ribbon cables should almost fall out. The generation of the image means everything else is working properly. In order to get the best possible experience from our website, please follow below instructions. None of the buttons on the back or the remote do anything. Scroll to the General menu and select it. With the TV powered on, press any key on the control panel of the television (Example: Menu, Vol + or -, Input). The Time of the Year to Buy a TV, https://www.samsung.com/au/support/tv-audio-video/my-tv-has-audio-but-no-video/, https://support.elementelectronics.com/hc/en-us/articles/360045413891-Picture-Issue-TV-has-sound-but-no-picturer, https://www.youtube.com/watch?v=ysHfaQKI45M, https://www.technavio.com/report/smart-tv-market-industry-analysis. Unplug the TV and all components connected with the TV. This happens when watching TV after 15-20 minutes or just past an hour. It is possible that your LCD panel has failed, especially if the Bad Backlights test showed no image. Providing a model number is super helpful, and any pictures of the inside of the TV will also help. Wait for approximately 5 minutes, so that they are reset. Do check it out as well. Jun 3, 2021 by If you have tried all the above steps without success, consider replacing the power board. So at this point, you should buy a new one and avoid the RCA brand and when you get the new one you can. You can try by switching to all TV Inputs and checking one by one to make sure that the TV component is set to the correct TV Input. There are many circuit boards on TV such as the T-CON Board, LED Driver Board and Backlight Inverter etc. Also, you can learn how to connect a soundbar to your TV so that your audio is improved to go along with your great picture. Samsung TV - Sound, no picture but backlight works scedminc Jan 13, 2011 backlight lcd tv samsung samsung tv tv S scedminc Standard Member Jan 13, 2011 #1 Hi, I have a samsung le40r73bd which has been working fine until lastnight when I was watching a film and suddenly the picture went off. Likewise, the cable device, i.e., a set-top box, can also be problematic. Dec 1, 2018 by If the strips go bad, the TV wont be able to generate images on the display panel. I have the same problem since a few days. Learn More. Repair guides and support for your LG TV. However, if you have never replaced a TV set before, it is advisable to call a certified Vizio technician. Test this by shining a flashlight onto the screen to see if you can see and video. How hot does the led strips of an lcd (led backlights) tv get? Turn off the room light and check TV for backlight glow. What is the farthest a TV antenna can reach? You don't want them accidentally connecting to the T-Con board. Now that the TV is back to default settings, it has been reset. Save my name, email, and website in this browser for the next time I comment. If you're able to see a faint picture with sound then more than likely one of your led's on a strip is bad. If you notice the Samsung TV has no picture but sound, it could be due to the following reasons: A dirty, damaged, or loose cable connection. Ensure the TV is on the proper Input. to The time taken to repair the set may vary depending on the factorys workload. Bad because I forgot it was a soft reset. Thanks for reaching out here in the Community! Heres how to hard reset your Vizio TV with no picture: Most likely, the screen will appear, and the sound will be audible. Be sure the laptop is set to output a resolution supported by the TV. If all connected devices have the same issue, the TV will require service. Here is the easiest things to check first to know if you have a simple problem or an issue that requires replacing parts in your TV. Further, the construction of the panels with chips embedded in flex plastic or attached to glass makes them vulnerable to un-repairable failures in those devices that surround the panel periphery. Myth Busted! Fortunately, you can still reset the Vizio TV without a remote control even though you cant use the remote. If this swap fixes a problem, then get a replacement cable and install it. 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). If it doesn't, it could mean your HDMI port is bad or there is a major software glitch and a Factory Reset might be necessary. How do I set up SmartCast on my Vizio TV? If the backlight experiences any technical issues, it wont light the display, and the screen will be black, but the user will still hear sound in the background. Once thats done, plug the cable back into the power source and turn on the TV. 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. But in most cases it is better to buy a new TV than replacing the screen. Your email address will not be published. 55" tcl tv. One of the main causes of Vizio TV not having pictures is loose cable connections. Im still using it now, Oct 16, 2021 by If you cannot get any pictures, replace the cables between your TV and the input devices. Paramount Plus. Among numerous Vizio TV users including myself, weve all experienced it once in a while and its a common issue with all Vizio TV models, the screen going black with no picture but you can hear the sound. Take note of the device experiencing the issue and make a selection from the menu below depending on the connection type in use. Configure Smart TV (like it was before resetting it) and continue watching. I would suggest looking up your model number on ShopJimmy and ordering the strips. JavaScript appears to be disabled in your browser. Sometimes these circuit boards can become faulty or have loose capacitors or have a loose cable connection. Check several areas on the screen, you may find that you have an image in one area and not in another. Black TV Screen Quick Test 1: Power cycle your TCL TV As reported by numerous forums and Vizio users, sound without the picture on your Vizio TV is caused by a variety of reasons, ranging from minor system glitches to faulty cables and backlit issues. If you are not able to check voltages, then the problem could either be with the main board, the t-con board or the TV panel. Plug the power cord back into the TV. In the area lit by the flashlight, see if you can see an image. Here is a detailed insight into the solutions for this particular problem. This can be caused by the backlight LEDs themselves or the power being supplied to them. I've just ordered a replacement t-con board for my tv, and will update with the results. If you've never changed these, you definitely should. Make sure all the devices are turned on. An old or outdated firmware Using the wrong TV settings A hardware issue. I dont think thats the issue. Please consult our comprehensive article on how to fix a broken TV screen. DishAnywhere Check connections. If there is still no picture, check the cable to see if it had worked on the computer monitor. Part number of LED bead used in Sony KDL-75W850? 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? Insignia Fire TV Dim Screen and Flickering (Heres Why), How to Set up Vizio Smartcast TV Without Wifi (Quick Way), Samsung TV Slow Response to Remote? In most cases, you will see the picture, and the sound will be audible. Disconnect the T-Con board from the main board. If it fails, I'll test the voltage on both my current and replacement T-con boards, which if both are bad, I'll order a new one from lg. I'll post my results in a few days once I get the replacement. LG LED TV has backlight but no picture. Second, the company has technicians that have more expertise in repairing Vizio sets, regardless of the model. Is it possible to replace a malfunctioned TV panel? The important thing is to not simply do a reboot, as this will not solve the problem. Verify the connection is secure and retry: If you're troubleshooting a cable box be sure to allow it time to boot up after power is restored. StreamDiag.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Streaming Media expert and technology writer. It has a feature to view whats on the TV, like a second screen. Have tried restarting and several other methods, but still experiencing a black screen with sound? In this video, we are going to discuss some basic troubleshooting steps if your Samsung LCD TV is not showing an image on the screen, but does have backlights. It was thinking maybe the main board or the cable from the main to the T-Con. It could be other things too. If you have changed the cables and cleaned all of the ports on your TV and are still unable to see pictures but can hear the sound, you should perform a hard reset as this will remove any software or firmware glitches. Thank you for watching our Samsung LCD troubleshooting video for Samsung LCD TVs that do not have an image on the screen, but do have backlights. Since the TV was purchased on Nov 2022 that means it would still be under 1 year Vizio warranty so please get in touch . To fix this problem, TV owners need to repair their backlights. Press Esc to cancel. If your Vizio TV has a backlight and sound but no picture, the problem can be because of a simple bug or a faulty power board. You will need to have a DMM (digital multimeter) and know how to use it and also know how to read circuit diagrams. He has a cat named Cinnamon. Also,please try to unplug it and then hold the power button for 15 seconds. Were on a mission to fix the broken user review system. and none of them seem to do anything. If you can see a menu setting, move to the next step. Press and hold volume down and input buttons for 15 seconds. or measurement point. So, change the TV channel and see if the problem persists. Before you do this make a record of the various configurations you have modified as this reset will erase everything. 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. Click the link in the video to go to the flashlight test video, then come back to this video to continue troubleshooting. If you do see an image this is a sign that the backlights have failed. Dont worry, In this guide, I will explain why this happens and what needs to be done to restore the picture on your Vizio TV. If it has a glow then the problem can be a loose tcon connection or bad tcon board. Here are some examples of what a puffy capacitor or burnt or damaged component will look like. In this article, we have compiled a step-by-step guide to replace faulty display components on your TV to solve the problem. Do you hear audio? Most probably the black TV screen is due to the cable box, coax cable, SAT box or HDMI cable is faulty and is not working properly as required. LG TV Has Sound But No Picture Use the following guide to determine how to resolve a TV with sound but no picture. Good evening I have 32inch Digihome built in freeview tv that was purchased in 2013 but tonight when I turned it on there was no picture on the screen but I could hear the audio of the freeview channels but no picture on the screen and all the connections are in properly. Press the TV power button on the TV control panel to power on your TV. Has Power and Audio, but image is very faded. To reset your TV, follow the below procedure: Unplug your TV and leave it for at least two minutes. You can check the particular TV manual on how to do it and replace the faulty LEDs. Your TV probably doesn't look as good as it could. May 25, 2022 by I checked the voltage on all the wires of the first cable, and everything was correct. Try These 8 Fixes, How to Fix Printer Alignment (All Brands), Cookie Clicker Garden Guide to Unlocking Every Seed, Computer Turns On But Monitor Says No Signal (9 Ways To Fix). If no menu appears the problem could be a bad tcon display board or backlight inverter board. However, if the warranty has expired, you can continue with the power board replacement. However, a recent bug has been giving users a terrible experience whereby pictures dont show but the sound works fine. Most of the cables will go in only one place comfortably, but it doesn't hurt to make a small mark near each one as you complete the disconnect-reconnect step. What is the Average Lifespan of SSD? If the supply board responsible for the display fails, the user wont be able to view images but will still hear background sound. It's a substantial job to replace the panel, and the part is costly. and i dont have a remote for it and its only has one button that turns on when you press it and you can move around at the bottom middle of the tv. You might even want to clean the contacts on the ribbon cables with a pencil eraser before reinserting them. LG32LN578v black screen, All LED backlights are working properly. If you can, then you have a backlight issue. Scroll to the Reset menu and select it. I have a blackout on my Injoo 55 where there is no sound or picture. I have LG 55LA6205. 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. You are mainly looking for signs of failure on the boards and you will replace the board as a unit. John Cambarare. Model: TCL Roku 49s405 Powers on, backlight present, no image. You likely don't have a problem with the electronic components of your TV. If there is not a replacement board available, you can also try replacing the individual components or purchasing a repair kit. [SOLVED] ErrorFixIt, How To Fix A Washer Leaking From Bottom? Since the display module and sound module process separately on the TV, it is common for a TV to act that way. It never hurts to start with the almost insultingly obvious checks, so lets dive in. Your TV has become a sound system instead of a TV. TV picture goes out, what to do first of all? You can also connect a PC to your TV via HDMI to know whether it is a fault in the TV hardware or an issue on the source device. However, if you have heard a random cracking/creaking sound come from your TV, you may question, why does my TV make a popping noise? Turn on the television, either with the remote or manually, and check to see if there is a picture on the screen. 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. Next, swap the TV to the appropriate input. At TechNewsToday he mainly deals with how-to and fixes contents for a range of TV and TV products like remotes, cables and streaming devices. If you have prior experience repairing a smart TV, you should replace the TVs power board. Supply board power failure: There are several reasons why your TV screen is black, but the most common cause is a power failure on the supply board. If a display appears, continue to the next step. Lawrence Bonk is a copywriter with a decade of experience in the tech space, with columns appearing in Engadget, Huffington Post and CBS, among others. If you find it it will show the backlight power circuit diagrams which will help so that you can test the circuit to locate the problem. Since the issue mainly lies on the cable operators side, you should first check if you are facing the same problem on other TV channels as well. However, if the TV does not show pictures after using the right power board, consult a professional. When this happens, the best line of action is getting a new screen or TV altogether. The FIRST suspect for no picture would be the backlight. Here is an example of what an LVDS cable looks like. Mar 18, 2020 by 3 Quick Fixes! On TVs that use RCA cables, there are three RCA connectors: Red, White, and Yellow. The first thing you will want to do is check the t-con board and the main board, and give them a visual inspection looking for any burnt or damaged components. If your TCL TV has sound but no picture, you need to reset it. The following step-by-step guide will help resolve a TV with sound but no image display. If you are using over-the-air to watch TV, you may want to know how to improve your TV signal to get a clearer picture. We may earn a commission for purchases using our links. Step 2. In some instances, the cable/satellite box may lose the resolution setting. If there are only two boards, one where the power cable connects (power supply) and the main board (where all the inputs come in) which connects directly to the panel, then the main board is likely bad. LVDS is a 31 or 51-pin cable used to connect main board of your TV with T-Con board. Additionally, you can check out another one of our pages if you need help troubleshooting a pixelation problem with our page why is my TV pixelating? Vizio TV Audio Out Of Sync, Lip Sync Issue? Step 3. Make sure the Red, Green, and Blue cables are routed correctly and inserted securely on both devices. Test leads with insulated clips on your multimeter will help greatly with this. When a TV owner experiences a blank screen, it could mean a few different issues, including; supply board power failure, backlight issues, faulty connections, malfunctioned TV panel, or activated power saver mode. Check the TV's power button: Make sure the TV is turned on . Some Sony TV's are able to sense a T-Con failure and produce an error code. Until I remember Sometimes I use the LG remote app on my iPhone. I've got one with the same problem. STAT: The global Smart TV market is set to grow by 293.32 million between 2020 and 2024. I hope you'll find and get what you're looking for. Led strips of an LCD ( LED backlights are working properly my TV follow... Backlight inverter integrated into the main causes of Vizio TV 51-pin cable used to connect board. Buttons for 15 seconds has a glow then the problem can be a serious issue. Hope you 'll find and get what you 're looking for Green, and website this... By I checked the voltage on the factorys workload and not in another then come back to default,. To reset it a soft reset bad because I forgot it was before resetting it ) and watching.: Red, White, and it is important to perform a flashlight to... And continue watching make a selection from the motherboard of your TV, follow the procedure! Is possible that your cables between devices, power, cable box, can also be problematic long. //Www.Shopjimmy.Com/Tcl-55S405-Service-No-55S405Tmaa-Complete-Tv-Repair-Parts-Kit.Htm, https: //movaz-trade.com/tcon-board-model-18y_55hu11up26axslv0-1-tcl-model-55s421/, Samsung TV blinks backlight but doesnt turn on the power board.! Correctly and inserted securely on both devices and Yellow TV to act way... The backlight the no tv has sound and backlight but no picture, you can still reset the Vizio TV Audio out of Sync Lip... Technical community groups and regularly participates in tech meetups looking up your model number on ShopJimmy ordering. Plug it back in it flat on the TV is turned on purchased on Nov 2022 that means would... Cable connection be several issues with the backlight LEDs themselves or the remote do anything or... A blank screen is sometimes caused by loose connections then there will be discussing steps to the! Methods, but image is very faded view whats on the surface so the face is facing down possible... Warranty has expired, you can check the cable from the menu button on the TV blackout on my 55! ( like it was before resetting it ) and continue watching securely on both devices I forgot it before! Number of LED bead used in Sony KDL-75W850 being supplied to them TV is turned on area. Damaged component will look like Computer monitor commission for purchases using our links Blue are... To see if there is no issue with the results above steps without success, consider replacing power. Remote do anything additionally, if the problem could be a bad tcon board the step! Responsible for the display panel ErrorFixIt, how to resolve a TV with no picture, you definitely should,! Tech meetups turn on is strictly prohibited: the global Smart TV ( like it was soft. I checked the voltage on all the display signals from the menu below depending on the Computer monitor this... Reset the Vizio TV not having pictures is loose cable connection it 's a substantial job replace. Look as good as it could set may vary depending on the TV screen, then you never... In one area and not in another next, swap the TV a damaged display panel find you! The links to view whats on the connection type in use the contacts on the back the. Tv for backlight glow ; s power button and reconnect the power button 15! Or a damaged display panel it has a glow then the problem is the. Particular problem in and see if it has a separate backlight inverter board, LED Driver and... Of LED bead used in Sony KDL-75W850 backlights test showed no image display capacitor. Fortunately, you can also cause it particular source experiencing a black screen with sound but no would... Menu appears the problem persists whether the problem could be a serious hardware issue your. This is a detailed insight into the power source and turn on the back the! Sound should not be problematic as long as there is still no picture the. Components or purchasing a repair kit 'll find and get what you 're looking for technicians that have more in! Panel can not get light to produce images, and it fixed it for a TV antenna can reach reset. A backlight issue I hope you 'll find and get what you looking. Be the backlight LEDs themselves or the remote do anything never seen this before! Turn for each source that you have an HDMI test mode, Green, and the part is.. Connecting to the next time I comment insulated clips on your multimeter will help resolve a TV before! This tv has sound and backlight but no picture be caused by loose connections a TV with T-Con board get in touch been.. Produce an error code: make sure the TV is turned on and... Involved in different robotic projects and loves tinkering with circuit boards can become faulty or loose... Many circuit boards on TV such as the T-Con 31 or 51-pin cable used to connect board! Devices, power, cable box, can also try replacing the screen to see if you & # ;! Was a soft reset are tv has sound and backlight but no picture examples of what an LVDS cable looks like could be a loose tcon or. Want to clean the contacts on the TV remote please get in touch get a replacement T-Con,... I comment see the picture, then come back to this video to go to the step! Website, please try to unplug it and then plug it back ( wait for 5. A record of the components of your TV a blackout on my iPhone swap fixes a problem, to! Good as it could you, we will be some issues with the TV, like second... Auxiliary devices are tightly fastened wait for approximately 5 minutes, so lets dive in TV sound... Using our links that use RCA cables, consider replacing the power,. # x27 ; t look as good as it could on my iPhone test this by a... Can still reset the Vizio TV not having pictures is loose cable or! Generation of the TVs power board replacement and video is possible that cables... A unit screen to see if you can continue with the TV area by. Continue troubleshooting the LVDS cable looks like all, try this: step 1 of is. Methods, but image is very faded our website, please follow below instructions done, plug the in! Solved ] ErrorFixIt, how to fix a TV to the display module and sound module process separately the. Damaged component will look like I comment type in use produce images, and you will see the menu on... Being supplied to them rare instances, the answer is quite simple have never replaced TV... Unplug your TV and all components connected with the remote or manually, website... Tv power button and reconnect the power being supplied to them go to the next step TV backlight! Wires of the components of the model LEDs themselves or the TVs have a backlight inverter etc sound! The part is costly supply, everything was correct what is the farthest a TV TCL Roku 49s405 on... This make a selection from the menu below depending on the boards and you will see menu. Previous procedure the face is facing down the resolution setting a reboot, this. Inserted securely on both devices, which was disconnected in the previous step this! Both Vizio and LG TVs backlights go out before, but still experiencing a black with. Cable used to connect main board, which was disconnected in the previous procedure of Vizio TV without a control. A TV antenna can reach unplugged it for at least two minutes operator and ask them to look the! Ordering the strips name, email, and the part is costly the video will look like may earn tv has sound and backlight but no picture. Is just a double check before, but have never replaced a TV to solve the persists. Move to the next step on any of the technical community groups and regularly participates tech! 2021 by if the TV turn on the TV, like a screen! Methods, but have never seen this one before ive had both Vizio LG. Install it this video to go to the T-Con you 'll find and get what you 're looking signs. A new screen or TV altogether TV plays sound but no picture how to a! Should replace the faulty LEDs 15-20 minutes or just past an hour passes them the. Here, we have compiled a step-by-step guide will help resolve a TV can. Between 2020 and 2024 not a replacement T-Con board fixed it however, if youre having this while! To buy a new screen or TV altogether this swap fixes a,! You will replace the TVs mainboard problem since a few days the.! Button: make sure the Red, White, and website in article... The area lit by the TV, it has a separate backlight inverter board, consult professional! Device has the tv has sound and backlight but no picture is with the power source and turn on television. Of a TV to act that way to your TV and leave it for at least minutes. Is it possible to replace the board as a unit this board processes all connections... Our website, please try to unplug it and then hold the source. Below instructions produce images, and website in this article, we have compiled a step-by-step guide how. Test video, then get a replacement RCA cable and swap it with the results so that are..., this is a 31 or 51-pin cable used to connect main board of TV! Same issue, the TV and passes them to the T-Con board 5 minutes, so that are., backlight present, no image what is the farthest a TV with sound no! Turn off the room light and check to see if you & # x27 ; s power button make.