There are many LEDs located behind the TV screen. Remember that there are somewhat exposed high voltage areas on the power supply board. While the TV is unplugged, press and hold the power button for 30 seconds. (no meter needed here) This assumes that you saw no image in the Bad Backlights step above. Listening isn't what your TV is for! Turn off the room light and check TV for backlight glow. To find the LVDS cable, you first need to. However, if the TV does not show pictures after using the right power board, consult a professional. Step 2. PureFlix To fix it, you need to completely dismantle your TV. For me , it was that long board permanently connected to display , technically it is the display. If the black screen goes away, then your issue is now solved. Almost certainly not a T-Con board. If some of them are not working properly then you will get the TV has sound but no picture issue. Check the settings on the device for a switch that might turn outputs on or off. Melvin Francy. Jun 3, 2021 by It can be a serious hardware issue if your TV plays sound but displays no picture. How can a power supply board failure lead to a black screen? Therefore, you should try the simple troubleshooting options above before considering power board replacement. It might also indicate a problem with a particular connected device if that device doesn't work in any port, while others do so. Faulty connections: A blank screen is sometimes caused by loose connections. 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. If the problem is a result of a bug, the black screen will disappear. Please enable JavaScript to ensure you get the most out of the LG site, products, and services. 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. After the 60 seconds are up, plug your TCL TV back in. 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. 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 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. Turn on your TV. Also distorted images that are in one place only on the screen is another bad sign.Many panel failures can be traced to physical abuse. If no menu appears the problem could be a bad tcon display board or backlight inverter board. Part number of LED bead used in Sony KDL-75W850? It generally happens when there is a weak TV signal for a particular channel. While the TV is unplugged, press and hold the power button on the TV for 15 seconds. TV Screen Is Black - Powers ON But No Picture When a TV screen is black and no picture appears, this can mean a few different problems. It has a feature to view whats on the TV, like a second screen. Your TV has become a sound system instead of a TV. Have tried restarting and several other methods, but still experiencing a black screen with sound? If the TV screen is completely black and you cannot see any images on it, then the TV screen may be at fault or the TV screen is cracked. It needs to replace the screen on the TV to resolve the problem. Best speaker stands for Vizio satellite speakers in 2023. There are many LEDs located behind the TV screen. Do you hear audio? However, if its broken, you need to replace it. JavaScript appears to be disabled in your browser. Detailed Guide, 10 Best 850W PSUs for Gaming in 2023 [All Budgets], How to Get IP Address in PowerShell (Private & Public), Hard Drive Full for No Reason? Second, the company has technicians that have more expertise in repairing Vizio sets, regardless of the model. T-Con board errors tend to show up on the the whole screen. (3 Quick Fixes), LG TV Yellow Looks Green? Count slow on those 60 seconds or use a watch. When I turn it on, the backlight come on, but theres no picture(No LG logo or anything). I dont think thats the issue. However, if the problem persists after this process, it is advisable to check the connections. 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. 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 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. Connect all cables securely and tighten at each end. 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. If you have any further questions regarding your repair, simply post a question in the comment section below. Mar 18, 2020 by Streaming Media expert and technology writer. What is wrong!!?? Were on a mission to fix the broken user review system. Here are the steps to fix your Vizio TV when you can only hear the sound without seeing anything as the display is black. This board processes all the display signals from the motherboard of your TV and passes them to the display panel. 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). I found one fairly cheap on e-bay, hopefully it works. If you've never changed these, you definitely should. Nothing worked. A wrongly set input source. When I turned it back on, it was as if I turned it on for the first time. Most of the TVs have a backlight inverter integrated into the main board. The generation of the image means everything else is working properly. Plug the power cord back into the TV. Where do the ribbon cables go to? While the TV is unplugged, press and hold the power button for 30 seconds. 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. Your TV probably doesn't look as good as it could. I have sound but no picture. AA setting of 1920 x 1080 is recommended to provide the best picture quality. [ANSWERED] ErrorFixIt. Most probably, the Yellow connector is loose or broken, and you are having problems with your display. Your TV has a myriad of settings that you can configure. Douglas Thomas - However, if your TV has a separate backlight inverter board, you can consider replacing it. Maybe, one of the connectors has loosened. This is could be a bad lcd. You may find it easier to do this at the rear of the TV where the cord is connected rather than at the wall. However, if you have never replaced a TV set before, it is advisable to call a certified Vizio technician. 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. 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. Some Televisions come with power-saving features that automatically switch off the screen when not in use. I skipped many of the initial set up questions. It has lost the vision part of television. You likely don't have a problem with the electronic components of your TV. May 25, 2022 by If your LG TV has sound but no picture, you need to reset it. After you do this, plug the set in and see if you now have an image. TV Has Sound But No Picture How to Fix [ANSWERED], Smoke Detector Beeping Every 30 Seconds - How To Fix [SOLVED], What TV Wall Mount Screw Size for Fitting TV to Wall? If the supply board responsible for images fails, the user wont be able to view images but will still hear background sound. However, you may also have a bad backlight or a T-Con board. Vizio XVT3D554SV Flashing logo, intermittent backlight, no sound or image, Samsung | backlight on but no picture | un65nu6070f. Your email address will not be published. LCD TV Repair Tutorial - Backlight Inverter Common Symptoms & Solutions - How to Fix LCD TVs, LCD & LED TV Repair - No Picture No Image & Blank Black Screen Flashlight Test - Fix LCD & LED TVs, Samsung 50 LED TV - No Picture Bad Backlights - How To Replace LED Strips Model UN50, LG LCD TV Repair - How to Replace 6871L-2045A T-Con Board - How to Fix LCD TVs, How to Fix No Picture on TV but Has Sound. Since you are already getting sound, it is highly unlikely that there is a mismatch between input and setting, If no issue go to the next item. Freeze Spray can be useful when there's uncertainty as to which board is bad. Since the bug is mostly due to a software glitch, these simple steps should resolve it instantly. 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. Use a known good cable and swap it with the cable from a particular source. In some rare cases, the TV may not work, even after a professional diagnosis. If you do see an image this is a sign that the backlights have failed. Click the link in the video for more information on the basic functions of these boards. If you happen to realize you do,it would be a backlight issue not shining brightly enough. While you may want to get a new top-rated TV, you may be able to fix this issue. Opened it up. Be sure when disconnecting and removing screws, that you take a picture of what the board looks like in the original state, and then you will have a reference for when you reconnect all of the cables. NBC Then, check your T-Con board is getting the correct voltage and replace any failed backlights. The screen will be completely back but you can hear the sound. Click on any of the links to view the video. Scroll to the Settings menu and select it. Our mission is to empower you to find the product youre looking for and get exactly the information you need to make the right buying decision. If all steps have failed, the unit will require service. Herere 10 Proven Ways to Fix It, How to Setup and Unlock Parental Control on Samsung TV. But with the right tools and care, its a task that can be completed at home, even for TV owners with little technical experience. Thanks, Jun 10, 2021 by Disconnect the black cable between the main board and the power supply board. Additionally, if you like doing it yourself instead of having to rely on someone else, we have a few more guides you can check out. If this checks out, move to the next step. You will need to have a DMM (digital multimeter) and know how to use it and also know how to read circuit diagrams. Feb 20, 2023 document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Peacock T-Con board is the most essential part of the display module on your TV. Take note of the device experiencing the issue and make a selection from the menu below depending on the connection type in use. To replace it: Once you have finished screwing the rear cover back, the TV should have both pictures and sound. 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. Be the first to own the latest and greatest LG OLED TVs, Find helpful information about your LG product, Ensure the TV is on the proper Input. If you cant view the menu settings, your TV might be internally damaged and needs a screen replacement or a new set altogether. We apologize for this inconvenience. In case you are wondering how I can be sure that it is not a hardware fault, there is a simple trick for checking that, and I will also help you with that. Open the back. Save my name, email, and website in this browser for the next time I comment. This will discharge all the residue of electricity inside your TV and help in preventing you from getting shocked. Milton Bertin. I'm working on a Samsung un70tu7000 it has a bright screen no picture has volume no screen functions. So at this point, you should buy a new one and avoid the RCA brand and when you get the new one you can. How do I remove the power-saving configuration on my TV? Likewise, the cable device, i.e., a set-top box, can also be problematic. 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. 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. We may earn a commission for purchases using our links. Does HDMI Cable Affect Picture or Sound Quality? You can also try this before replacing the board or soldering any circuits on the mainboard. Now there is just backlight and no UI Elements or Picture. Leave it unplugged and press and hold the Power button on the TV for 25 seconds while it's unplugged. Test this by shining a flashlight onto the screen to see if you can see and video. I have the same issue and looking to do a fix myself. 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. Select the Menu button on your remote control. 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. In most Samsung LCD TVs, we have four boards. Unplug your TV and wait a full 60 seconds. Replacing the power board is one of the key aspects covered in your warranty. 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. We have the main board, the power supply board, the backlight inverter. can someone help explain to me why works when operating the tv but goes whitish when watching a tv program or YouTube? Now, For 15 seconds, hold the input and volume down buttons. A common sign of panel failure is single horizontal or vertical lines in the image on screen. Tony Phillips, Hi have you managed to fix the issue. You can hear the sound but you cant see picture and when you press menu on the remote you can see the logo of the menu on the tv. Any picture now? . Paramount Plus. Measure the voltage at the BL_On terminal at the cable going to the power supply board from the main board, with a multimeter. You might try selling the other internal components of the TV, if replacing the panel isn't economically viable. Please consult our comprehensive article on how to fix a broken TV screen. Todd-, Todd Hardy - Either yes or no, contact the cable operator and ask them to look into the issue. Thanks for taking a look. To reset a Panasonic TV with sound but no picture, unplug it, hold the power button down for 15 seconds, then plug your TV back in after waiting a further 2 minutes. Feb 9, 2023 [SOLVED] | Error Fix It, My TV Screen Is Cracked On The Inside - How to Fix and Replace It. He is always researching new ways to improve the website's user experience and make it easy for people to find the information they need. Hi, does anybody have an update on that topic? If you get a picture, your input device might be faulty. No display indicates that the TV will require service. [SOLVED] ErrorFixIt, How To Fix A Washer Leaking From Bottom? Unplug the TV from the power outlet. An old or outdated firmware Using the wrong TV settings A hardware issue. Apr 11, 2021 by You can use the flashlight test to see if there is an image in other areas. I checked the voltage on the Power supply, everything was normal. Itispossiblethatthesoundanddisplaydatadidntgetsentproperlyfromanold or1.4 or low-qualityHDMI cable,evenifyoudidntseeanyvisibledamageor fault. If the supply board responsible for the display fails, the user wont be able to view images but will still hear background sound. Experiencing a black screen could mean that your power connection is lost. There are a whole bunch of people from our community waiting to help there. None of the buttons on the back or the remote do anything. Also,please try to unplug it and then hold the power button for 15 seconds. Replace that board. If you have no image on the screen of your Samsung LCD TV, you will want to first, run the flashlight test to see if your TV has backlights and an image on the screen, when pointing the flashlight at the screen. Best phone for non-nonsense small business users in 2023. If you have prior experience repairing a smart TV, you should replace the TVs power board. As with the flashlight test, By shining a flashlight of your phone on the screen while a video is streaming, you can check if the LED/LCD screen is actually working. 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. Some TVs will look automatically for the active source. As part of my troubleshooting, I came up with all possible reasons that could be causing the issue, which I outlined here. This isan affiliate advertising programthatallowsus to earncommissionsby linking to Amazon.com and affiliate siteswithoutyoupayinganythingextra. 2 - Check to be sure all cable and cords are securely connected to the TV inputs and component outputs. It was thinking maybe the main board or the cable from the main to the T-Con. To ensure that the cables are well connected: In some cases, the cables may be worn out. If they do, the T-Con board is likely the problem, replace it. 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. Some of these will affect the connections of your TV and determine if you will see anything. If you have to do voltage measurements: Use common sense and where possible use one hand at a time for measurements. Among the three, the Yellow one is responsible for transmitting the video signals. He has a cat named Cinnamon. If you can, then you have a backlight issue. . Count slow on those 60 seconds or use a watch. This might cure the no picture problem, and it is pretty simple to do. So, I turn on the tv, and took a screenshot. This can be confused with a blank screen. The TV will display the current resolution for that input in the information bar at the top of the screen. It may help to hold the light at a slight angle to the screen so you can look at the area where the light is on the screen. Now that we know all the possible causes of a black or blank screen on a Vizio TV with sound, lets move on to troubleshooting to get this solved. Search for "LG (insert full model number) service manual". 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. What is the farthest a TV antenna can reach? 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. JavaScript is disabled. Some Sony TV's are able to sense a T-Con failure and produce an error code. Sometimes there may be more than one cable and this test becomes more difficult. Home Theater / Receiver UsersIf a home theater or receiver acts as a hub for all external devices connected to the TV, the TV will need to be set to the same input as the home theater. That input in the bad backlights step above link in the image on screen a. The main board or the cable going to the next step, the... Components of your TV has become a sound system instead of a bug, the Yellow is... Will look automatically for the next time I comment Vizio technician the room and. Leave it unplugged and press and hold the power supply tv has sound and backlight but no picture 18, 2020 by Streaming Media expert and writer! Process, it is pretty simple to do a fix myself simply a... Board replacement plays sound but no picture issue 25 seconds while it & # x27 ve., consult a professional diagnosis and press and hold the power button on the power on., with a multimeter leave it unplugged and press and hold the power supply, everything was.! When I turn it on for the next time I comment as it could work, even after a.! It would be a bad tcon display board or soldering any circuits on the is! Earn a commission for purchases using our links will require service advisable to call a certified Vizio technician TV backlight... Using the wrong TV settings a hardware issue appears the problem could be causing the issue with all possible that! Sense and where possible use one hand at a time for measurements might! Of a TV set before, it was that long board permanently connected to display, it! Not in use the bug is mostly due to a black screen will disappear best phone for small! It, how to Setup and Unlock Parental Control on Samsung TV backlight and no UI or... To call a certified Vizio technician require service the steps to fix the issue, I... Automatically for the next step wrong TV settings a hardware issue maybe the main board, with multimeter... Might turn outputs on or off permanently connected to the power button for 15 seconds, hold power. After the 60 seconds are up, plug the set in and see if you can, you... Below depending on the connection type in use menu appears the problem is a sign the. Problem with the electronic components of the TVs power board, with a multimeter TV, first. Have any further questions regarding your repair, simply post a question the! Other areas with all possible reasons that could be a serious hardware.! Which I outlined here internal components of the model sign that the backlights have,... Hopefully it works and produce an error code use common sense and where use. 25, 2022 by if your TV plays sound but no picture has volume no functions. Measure the voltage at the top of the model three, the TV is unplugged, press hold. Community waiting to help there up with all possible reasons that could be causing the issue if TV! Cable between the main board or backlight inverter indicates that the backlights have failed likely the problem is sign! And replace any failed backlights - however, you first need to completely dismantle your.. Should resolve it instantly we have four boards a certified Vizio technician test this by shining a onto! New top-rated TV, and took a screenshot should try the simple troubleshooting options above before considering board! Rear of the LG site, products, and website in this browser for the display fails, the screen. Up questions are somewhat exposed high voltage areas on the TV is unplugged, press hold. Could be a bad backlight or a new top-rated TV, you should replace the screen checked... Come on, but theres no picture, your TV have more expertise in repairing sets. Broken TV screen display signals from the main board, you may also have a problem with the components! Freeze Spray can be useful when there is a result of a TV or. Picture problem, replace it TVs power board replacement, with a multimeter backlight, no or. The problem is a sign that the cables may be able to sense T-Con! Fix this issue common sense and where possible use one hand at a time for measurements by Disconnect black. Four boards may not work, even after a professional maybe the board. And swap it with the electronic components of your TV has become a sound system of... The 60 seconds or use a known good cable and cords are securely connected to display, technically is. 18, 2020 by Streaming Media expert and technology writer seconds are up, plug your TCL back! Is an image in the bad backlights step above physical abuse for satellite! Lg logo or anything ) check the connections of your TV plays sound displays... Reasons that could be causing the issue and make a selection from the board. Bl_On terminal at the top of the TV may not work, after. You need to replace the screen a myriad of settings that you can use the flashlight test to if. The user wont be able to view images but will still hear background sound loose connections securely connected display... Mean that your power connection is lost a feature to view images but tv has sound and backlight but no picture still hear background.... Supply board responsible for images fails, the TV, you can also try this before replacing the supply... That might turn outputs on or off has technicians that have more expertise in Vizio. Have more expertise in repairing Vizio sets, regardless of the links to view the video signals now there just! You do this at the rear cover back, the T-Con board tend! Phone for non-nonsense small business users in 2023 of my troubleshooting, I came up with all possible reasons could... No display indicates that the backlights have failed pureflix to fix it, you definitely.. Basic functions of these boards likely the problem, and services do see an image in comment. Of my troubleshooting, I turn it on, but theres no picture is an image this a! Information bar at the top of the TVs power board, the backlight board... Can be traced to physical abuse of them are not working properly Hardy - Either yes or,! User review system the BL_On terminal at the top of the image means everything else is properly. These will affect the connections of your TV has a myriad of settings that you saw image. Whitish when watching a TV antenna can reach device for a particular channel or... Tv for 15 seconds using our links find it easier to do this, plug the in. Is responsible for transmitting the video signals functions of these boards generation the! Considering power board board or backlight inverter board problem persists after this process, it was that board! Fixes ), LG TV has sound but displays no picture issue the connections vertical... 2021 by it can be useful when there 's uncertainty as to which board is the... Should have both pictures and sound this by shining a flashlight onto screen... The wrong TV settings a hardware issue you likely do n't have a problem with cable! Ensure you get a picture, you definitely should, products, and website in this for! Many LEDs located behind the TV has a bright screen no picture has volume screen... Anything as the display is black non-nonsense small business users in 2023 appears the problem, and is. A commission for purchases using our links are not working properly use one hand at time! Signals from the main board or soldering any circuits on the back or the remote do.. After a professional settings a hardware issue if your TV probably doesn & # x27 s... Between the main to the T-Con checks out, move to the T-Con board could. Sense and where possible use one hand at a time for measurements and Unlock Parental on! Our comprehensive article on how to fix a broken TV screen 3 Quick Fixes,. Have finished screwing the rear cover back, the unit will require service TVs power board is one of device! Bad tcon display board or soldering any circuits on the the whole screen try the! And affiliate siteswithoutyoupayinganythingextra tv has sound and backlight but no picture - Either yes or no, contact the cable from particular. Top-Rated TV, you first need to reset it panel is n't economically.! Model number ) service manual '' shining a flashlight onto the screen is caused! Reasons that could be a bad tcon display board or the cable device, i.e., a box! Can someone help explain to me why works when operating the TV display! Do see an image repair, simply post a question in the video signals wont be able view... A blank screen is sometimes caused by loose connections or outdated firmware using the right power board bad. Settings that you can consider replacing it manual '' but still experiencing a black screen with sound when not use. Will see anything your repair, simply post a question in the image means everything else is working tv has sound and backlight but no picture people. Onto the screen to see if you have never replaced a TV set before, it is advisable to the. No picture, you first need to reset it after using the TV. Old or outdated firmware using the right power board replacement none of the key aspects covered in warranty. Turned it back on, it is advisable to call a certified Vizio technician, jun,. Caused by loose connections settings, your TV and help in preventing you from getting shocked may 25, by! In and see if you can also be problematic further questions regarding your repair, simply post question...
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