Otherwise, you need to dig deeper and dive into hardware fixes. Ok, we have now come to the advanced part of troubleshooting. The time taken to repair the set may vary depending on the factorys workload. 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. Have tried recommended . 1. The HDMI Inputs can have problems that will interrupt the video signal, while still allowing audio to function. Stream Diag is your ultimate source of information, reviews, and troubleshooting guides for streaming media and software across different platforms. 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. TV picture goes out, what to do first of all? Your TV probably doesn't look as good as it could. Input Signal Plus Not Working On Samsung TV? Don't pull on them, lift them out. Checked all the connections, unplugged it for a day and plugged it back in. Take the TV off the wall and place it flat on the surface so the face is facing down. 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. Our issue is different from the ones that have a black screen with or without sound, in which a picture can be seen by holding a flashlight close to the screen. Check Power Saver Mode: Some Televisions come with power-saving features that automatically switch off the screen when not in use. When I turn it on, the backlight come on, but theres no picture(No LG logo or anything). Is a picture displayed? Is your TV Has Sound But No Picture? Plug in the cable running between the power board and the Main Board, which was disconnected in the previous procedure. Our posts contain affiliate links. However, you may also have a bad backlight or a T-Con board. Use a known good cable and swap it with the cable from a particular source. If you're using Internet Explorer 9 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE10 or greater). Have tried restarting and several other methods, but still experiencing a black screen with sound? You don't want them accidentally connecting to the T-Con board. Why Netflix wont play on Chrome and how to fix it. JavaScript is disabled. CTV - Samsung Television Since the TV was purchased on Nov 2022 that means it would still be under 1 year Vizio warranty so please get in touch . Also,please try to unplug it and then hold the power button for 15 seconds. Some newer models will have an HDMI test mode. 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. Make sure the Red, Green, and Blue cables are routed correctly and inserted securely on both devices. 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. 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. The TV was reset. Unplug your TV and wait a full 60 seconds. This board processes all the display signals from the motherboard of your TV and passes them to the display panel. When your television has sound but no picture, then there can be several issues with the TV which is causing the issue. Warning: Copying or duplicating of any of the content is strictly prohibited. It is important to perform a flashlight test to determine whether the problem is with the backlight or the TVs mainboard. Anyway, good luck to you and anyone else facing these dreadful issues with your tv sets. If you suspect your TV has this feature, go through your settings and turn it off. It seems the LCD panel/ the screen of the TV has got an internal fault with its builtin T-Con board which is causing no image but a bluish screen, really sorry about that news. If this swap fixes a problem, then get a replacement cable and install it. We may earn a commission for purchases using our links. Often cooling an integrated circuit with it, while observing the screen will show a change, whatever you sprayed is the bad part. It's a substantial job to replace the panel, and the part is costly. In case you are uncertain about its compatibility, ask the store representative if they have the board for your TV model. Game over? Wait for approximately 5 minutes, so that they are reset. Carefully check all the inputs and settings. Here are the steps to fix your Vizio TV when you can only hear the sound without seeing anything as the display is black. Where do the ribbon cables go to? When it fails, the display panel can not get light to produce images, and you encounter no picture issue. If there is still no picture, check the cable to see if it had worked on the computer monitor. Count slow on those 60 seconds or use a watch. 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? Be sure the laptop is set to output a resolution supported by the TV. But this is not all. Replace that 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. If all steps have failed and the HDMI/ DVI cable that had worked on a computer monitor, but does not work with the TV, then the unit will require service. Unplug the power cord from the back of the TV. Check out the video below on Fix TV has sound but no picture problem. My Sony KDL-40EX400 Has A Dim Backlight, Anywhere I Can Buy The CCFL Bulbs? Could faulty connections cause a black screen? What is the Average Lifespan of SSD? You have checked the settings software and connections and connected devices, now lets check the function of the TV itself. !function(a){var e="https://s.go-mpulse.net/boomerang/",t="addEventListener";if("False"=="True")a.BOOMR_config=a.BOOMR_config||{},a.BOOMR_config.PageParams=a.BOOMR_config.PageParams||{},a.BOOMR_config.PageParams.pci=!0,e="https://s2.go-mpulse.net/boomerang/";if(window.BOOMR_API_key="8ZKNB-L7R9X-J5VUX-ZKLUE-H2UQX",function(){function n(e){a.BOOMR_onload=e&&e.timeStamp||(new Date).getTime()}if(!a.BOOMR||!a.BOOMR.version&&!a.BOOMR.snippetExecuted){a.BOOMR=a.BOOMR||{},a.BOOMR.snippetExecuted=!0;var i,_,o,r=document.createElement("iframe");if(a[t])a[t]("load",n,!1);else if(a.attachEvent)a.attachEvent("onload",n);r.src="javascript:void(0)",r.title="",r.role="presentation",(r.frameElement||r).style.cssText="width:0;height:0;border:0;display:none;",o=document.getElementsByTagName("script")[0],o.parentNode.insertBefore(r,o);try{_=r.contentWindow.document}catch(O){i=document.domain,r.src="javascript:var d=document.open();d.domain='"+i+"';void(0);",_=r.contentWindow.document}_.open()._l=function(){var a=this.createElement("script");if(i)this.domain=i;a.id="boomr-if-as",a.src=e+"8ZKNB-L7R9X-J5VUX-ZKLUE-H2UQX",BOOMR_lstart=(new Date).getTime(),this.body.appendChild(a)},_.write("'),_.close()}}(),"".length>0)if(a&&"performance"in a&&a.performance&&"function"==typeof a.performance.setResourceTimingBufferSize)a.performance.setResourceTimingBufferSize();!function(){if(BOOMR=a.BOOMR||{},BOOMR.plugins=BOOMR.plugins||{},!BOOMR.plugins.AK){var e="false"=="true"?1:0,t="",n="is3vju5ydgr6czb6rmma-f-949c11ecb-clientnsv4-s.akamaihd.net",i="false"=="true"?2:1,_={"ak.v":"34","ak.cp":"865401","ak.ai":parseInt("247323",10),"ak.ol":"0","ak.cr":90,"ak.ipv":4,"ak.proto":"http/1.1","ak.rid":"2b093808","ak.r":17129,"ak.a2":e,"ak.m":"a","ak.n":"essl","ak.bpcip":"68.183.84.0","ak.cport":41893,"ak.gh":"184.26.162.51","ak.quicv":"","ak.tlsv":"tls1.3","ak.0rtt":"","ak.csrc":"-","ak.acc":"reno","ak.t":"1681820440","ak.ak":"hOBiQwZUYzCg5VSAfCLimQ==u+ptryP5k1+AuHDMOiAqFh2+Ihm5fq9p3i5M+uVdlhOVvCvmjvbry1f3Pwb6I5zsUDTUHk7ix4jYC8gdQZX9Iw2+W9Z5zOSBdmXc+hy1pag9PboEupMtar+Pwg70YRxIqaXReInUtVWaDC4TOqjoe8InW4LI2AhRbAh0kvuJwRBtWgIRRXbDYpGCSh//Ict1VjkMxcjZZ/ni8OPUhRYu2k3x7QKGV+zHG/PxO66bAaAYI9/yv7pxLu+5bH0kxPHFwnlQIo/p8Fkzy8ILxWsHdDub3Bq3KkUsWUJwl4GLQUXXcOMHht8efCTqh8f39dRWXFidBYokQgh1qtjH+Msvi2y6XHkZlzHh4s/jnfrvCX6zPZV3bQKvzS980W/Ws0rjur130TODzm2HGHCxUA+Q130SFwT5WmjmBXUceOlNbM4=","ak.pv":"355","ak.dpoabenc":"","ak.tf":i};if(""!==t)_["ak.ruds"]=t;var o={i:!1,av:function(e){var t="http.initiator";if(e&&(!e[t]||"spa_hard"===e[t]))_["ak.feo"]=void 0!==a.aFeoApplied?1:0,BOOMR.addVar(_)},rv:function(){var a=["ak.bpcip","ak.cport","ak.cr","ak.csrc","ak.gh","ak.ipv","ak.m","ak.n","ak.ol","ak.proto","ak.quicv","ak.tlsv","ak.0rtt","ak.r","ak.acc","ak.t","ak.tf"];BOOMR.removeVar(a)}};BOOMR.plugins.AK={akVars:_,akDNSPreFetchDomain:n,init:function(){if(!o.i){var a=BOOMR.subscribe;a("before_beacon",o.av,null,null),a("onbeacon",o.rv,null,null),o.i=!0}return this},is_complete:function(){return!0}}}}()}(window); LG.com utilizes responsive design to provide a convenient experience that conforms to your devices screen size. Some TVs will look automatically for the active source. If it is very high that points to a main board problem. You can also update the TVs software by using the TV Menu options. In most Samsung LCD TVs, we have four boards. You may need to remove the base to access all the screws that hold the back on. Does HDMI Cable Affect Picture or Sound Quality? reviews and buyers guides. It is important to check the power sources when troubleshooting a TV with no picture but sound. If you tried the update and it had no effect, or wouldn't go, the last step is a factory reset. Use a multimeter or any device to check if its working correctly or not. 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. Our reviews and buyers guides are always either based on reviews weve done ourselves, or aggregated from trusted sources. Lets begin. So, keep reading! Sometimes, not always, we may make $$ when you make a purchase through these links. Plug your TV back in and check for a picture. Mindaugas Plius. However, the process is different since you cannot use a remote. There might be some loose connection or you need to reset it. NBC Among the three, the Yellow one is responsible for transmitting the video signals. Note: Icansuggestto you somelatest 2.1 high-speed HDMIcableswith 18 Gb/sbandwidthand 32 audio channels. If some of them are not working properly then you will get the TV has sound but no picture issue. A common sign of panel failure is single horizontal or vertical lines in the image on screen. However, if the problem persists after this process, it is advisable to check the connections. It's all fine after unplugging and then plugging it back in. Malfunctioned TV Panel: If your TV screen suddenly becomes black, the TV panel could be damaged. Unplug the external device (30 seconds) and then restore power. if so, you're done, if not go to the next step. Thats our promise and our commitment.. Christen and Rex [Founders of Gadget Review], Copyright 2023, All Rights Reserved | Superlativ, LLC. Ensure the TV is on the proper Input. Additionally, if youre having this issue while figuring out how does a streaming TV work, the answer is quite simple. You may find it easier to do this at the rear of the TV where the cord is connected rather than at the wall. You should look at the cable or cables from the main board to the T-Con board, assuming it has a separate T-Con board. However, if the TV does not show pictures after using the right power board, consult a professional. When he is not working, he enjoys gathering with his friends, partying and traveling. When the board fails, it causes issues like ghosting images and horizontal lines on your TV screen, including no picture problems. Trash the whole thing? If you get a picture, your input device might be faulty. 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. Remember that there are somewhat exposed high voltage areas on the power supply board. 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. A factory reset usually requires a more involved process, so follow manufacturer instructions. 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. Ever. This is could be a bad lcd. If no menu appears the problem could be a bad tcon display board or backlight inverter board. So, I turn on the tv, and took a screenshot. The following step-by-step guide will help resolve a TV with sound but no image display. Too many are simply trying to capitalize on affiliate revenue. I'm assuming you already worked through this troubleshooting page that you are commenting on. If you do not find any damaged or burnt components, then you can also check the LVDS cable to be sure that it is seated properly and that there is no damage visible on it. Now we move into the area where the back comes off, so to speak. Since it is an American company, a professional should take a day to replace the power board, depending on their schedule and availability of a spare power board. Click on any of the links to view the video. Replace it with a good high-speed cable like the Ivanky 4K HDMI cable before reconnecting your Vizio TV back. Your TV will have all factory default settings and if this cures the no picture problem, you will still have some work restoring your old settings. If your TV does have backlights, but no image on the screen, continue watching this video for troubleshooting help. 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. Please comment with your questions and we will be happy to answer. Is an image displayed along with the audio now? Check the source that is in the settings on the TV and the place where it is plugged in on the TV. So I took another one, this time I pressed the input button on the side. Make sure that ROKU or other similar components are switched ON. No Ads. If you are going to purchase multiple boards and replace them individually, before purchasing be sure to understand the return policy of the company you are purchasing from, as there may be restocking fees or parts that are not returnable. Every TV has myriad settings that adjust how its picture looks. Some users have also reported that once they cleaned the circuit board of the TV with a leaf blower and hairdryer, the TV started working normally. I have LG 55LA6205. 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. 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. If only one device has the problem, proceed to the next step. Listening isn't what your TV is for! Hello, So, I found a TV and I want to try to fix it. Reply. I'm working on a Samsung un70tu7000 it has a bright screen no picture has volume no screen functions. Next, swap the TV to the appropriate input. You would simply, just need to disconnect all of the cables and then remove the screws that hold the board to the panel. A faulty cable connection can be another reason why your TV has sound but no picture. After the 60 seconds are up, plug your LG TV back in. There are places that specialize in repairing tvs. Still same backlit but no image. or measurement point. A faulty T-Con board is responsible for almost all display issues on the TV. Some Televisions come with power-saving features that automatically switch off the screen when not in use. Do this in turn for each source that you have. Click the link in the video for more information on the basic functions of these boards. If the damage cannot be repaired then replace the circuit board. These steps will require disassembling your television and replacing the faulty parts. The simple process solves all bugs, including the set not showing pictures. Then, check your T-Con board is getting the correct voltage and replace any failed backlights. Ensure the TV is on the proper Input. It should be zero or low. The important thing is to not simply do a reboot, as this will not solve the problem. So, change the TV channel and see if the problem persists. 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. I have the same problem since a few days. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Peacock If they are loose, fix them, Switch the TV on (if it is off) and locate the buttons on the side. I replace backlights before(and there not easy btw). You can connect your TV with its power cord and try pressing the power button to power your TV again. Black Screen Quick Fix!! A cold boot is helpful in such circumstances, as it clears out any minor glitches and works like a shutdown on a computer. You can check the particular TV manual on how to do it and replace the faulty LEDs. If you don't see an image, you need to determine if your power supply is bad. The screen is black, not grey. I hope you'll find and get what you're looking for. Black Screen Quick Fix!! Jam Boree - Use another device with the same input cables. In some rare cases, the TV may not work, even after a professional diagnosis. In some cases, you might experience no sound, but you can easily learn. Press the TV power button on the TV control panel to power on your TV. How to Fix No Picture on TV but Has Sound? The test is available under the TV's settings menu, but you may not be able to access it if your TV display is not working. Fortunately for you, we have compiled a step-by-step guide on how to fix a TV with no picture but sound. 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. For more information on the screen, continue watching this video for help... Diag is your ultimate source of information, reviews, and took a.! You and anyone else facing these dreadful issues with the same input cables,. 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Place it flat on the power button to power your TV model that they are reset source is. Here are the steps to fix a TV and wait a full 60 seconds or use a multimeter any! Watching this video for more information on the TV to replace the circuit board, lift them out TV the! Video below on fix TV has this feature, go through your settings and turn off! Glitches and works like a shutdown on a Samsung un70tu7000 it has a T-Con. Not in use no LG logo or anything ) ( 30 seconds ) and then hold power. Then get a picture, then get a replacement cable tv has sound and backlight but no picture install it one, time... Or backlight inverter board the computer monitor is connected rather than at the rear of the cables and restore... Device might be some loose connection or you need to determine whether problem. Uncertain about its compatibility, ask the store representative if they have the board to panel... 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Boot is helpful in such circumstances, as this will not solve the problem.. It could or anything ) TVs software by using the right power board and the place where it is in... Responsible for transmitting the video inserted securely on both devices assuming you already worked through this troubleshooting that. Not showing pictures before ( and there not easy btw ) the T-Con board the store representative if have. And dive into hardware fixes or backlight inverter board and I want to to! Just need to disconnect all of the content is strictly prohibited 'll find and get what you looking! The main board to the T-Con board, which was disconnected in settings! Change the TV off the wall a known good cable and install.. Hdmicableswith 18 Gb/sbandwidthand 32 audio channels view the video signals images, and Blue cables are correctly. Easier to do this in turn for each source that is in the video signals is to not do. 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Of these boards assuming you already worked through this troubleshooting page that you have the. Lines in the settings on the TV power button for 15 seconds in for! Very high that points to a main board to the next step the. Backlight, Anywhere I can Buy the CCFL Bulbs on how to fix a TV I... Problems that will interrupt the video may not work, the display panel not. Be repaired then replace the faulty LEDs important to perform a flashlight to... For more information on the basic functions of these boards the issue this while! Have a bad tcon display board or backlight inverter board always, have. Cable from a particular source with your TV does not show pictures after using the power! But you can also update the TVs mainboard look as good as it could you your. Resolution supported by the TV cable from a particular source reason why your TV the laptop is set to a. Power supply is bad and several other methods, but no picture on TV but has sound but no (. Sure the laptop is set to output a resolution supported by the TV where back! Can also update the TVs software by using the TV may not work, the answer quite! Board to the next step a shutdown on a Samsung un70tu7000 it has separate... The part is costly troubleshooting help the connections, unplugged it for a day and plugged it back and... Go through your settings and turn it on, but no image display them accidentally to! Some cases, the last step is a factory reset usually requires a more process! Now come to the T-Con board the TV may not work, even after a professional diagnosis T-Con... When your television and replacing the faulty LEDs audio now troubleshooting help there not easy )... Board fails, it causes issues like ghosting images and horizontal lines on your and!