Then, check your T-Con board is getting the correct voltage and replace any failed backlights. If the backlights came on in the previous step, this is just a double check. Remember that there are somewhat exposed high voltage areas on the power supply board. Check Power Saver Mode: Some Televisions come with power-saving features that automatically switch off the screen when not in use. T-Con board errors tend to show up on the the whole screen. However, you may also have a bad backlight or a T-Con board. Repair guides and support for your LG TV. Therefore, you should try the simple troubleshooting options above before considering power board replacement. Part number of LED bead used in Sony KDL-75W850? Be careful to open the connectors for the ribbon cables on the T-Con board fully. Some Sony TV's are able to sense a T-Con failure and produce an error code. I have the same problem since a few days. However, if its broken, you need to replace it. It is helpful to reset all the connected source devices like Cable Boxes, Fire Sticks, etc. Press and hold the 'Mute' button on your remote for 5 seconds to ensure your screen isn't muted. Check that your cables between devices, power, cable box, and auxiliary devices are tightly fastened. 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. If you see any loose capacitor or connection, then you can solder it to repair it. Burned overheated, or failed components show up even more to the eye than the meter sometimes. Unplug it, hold the power button down for 15 seconds, then plug your TV back in after waiting a further 30 minutes. When this happens, the best line of action is getting a new screen or TV altogether. Have tried restarting and several other methods, but still experiencing a black screen with sound? Power on the TV using the button on the TV control panel, do not use the remote control. if so you're done, if not, go to the next step. STAT: The global Smart TV market is set to grow by 293.32 million between 2020 and 2024. Most televisions display the sound level on the screen as you adjust the volume; look for that in the corner of the screen as you press your remote's volume button. Click the link in the video for more information on the basic functions of these boards. How hot does the led strips of an lcd (led backlights) tv get? Carefully check all the inputs and settings. If you are unsure, press the SMART button and select the Input Icon, and cycle to the HDMI input and press OK. Be sure the laptop is set to output a resolution supported by the TV. It isn't as complicated as it sounds. With the TV powered on, press any key on the control panel of the television (Example: Menu, Vol + or -, Input). Here are some other videos that can help with Samsung LCD TV repair troubleshooting. Make sure that TV Input is set correctly to the component you are using. If not, go to the next step. Make sure you follow these steps one by one in the exact same order and dont rush as that could lead to missing steps. Nothing worked. Mar 18, 2020 by Press the TV menu button. There are many circuit boards on TV such as the T-CON Board, LED Driver Board and Backlight Inverter etc. so my one turns on but its blank black. Is your TV Has Sound But No Picture? Since you cannot see the pop-up banner on the screen, press the input button, A place to put all the screws to avoid misplacing them, A new power board for your specific TV (Available on, Unplug the TV (if it is still plugged on the power), Locate the TVs fuses (all Vizio models have five fuses), Remove the old power board and replace it with the new one. However, you must use a power board that has a corresponding model number. Paramount Plus. Likewise, the cable device, i.e., a set-top box, can also be problematic. Do you hear audio? 55" tcl tv. Jam Boree - The backlight inverter can sometimes be covered by a plastic or metal shield. You need a solution! 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. Especially important in this step are the ribbon cables that run between a small board called the T-Con board, and the Main Board. When this cable is damaged or broken, the display signals can not transmit to the display panel, and you encounter no picture on TV. 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. Whether that means cooking a nutritious, delicious meal for your family, staying connected on-the-go, sharing your favorite photos, watching a movie with your kids or creating a clean, comfortable place to celebrate the moments that matter, we'll be there for you every step of the way. 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. 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. 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. Save my name, email, and website in this browser for the next time I comment. If only one device has the problem, proceed to the next step. This happens when watching TV after 15-20 minutes or just past an hour. - Samsung Television 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. Fortunately, Vizio TV can still be reset without a remote control. Press Esc to cancel. 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. This check for the T-Con board, also touches on condition of the main board. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Peacock prince baffour. Unplug the external device (30 seconds) and then restore power. Malfunctioned TV Panel: If your TV screen suddenly becomes black, the TV panel could be damaged. Hold the power button down for 30 seconds after it is unplugged. Since the TV was purchased on Nov 2022 that means it would still be under 1 year Vizio warranty so please get in touch . Because life waits for no one, at LG USA we create consumer electronics, appliances and mobile devices that are designed to help you connect with those who matter most. Power cycle your TCL TV Scroll to the General menu and select it. It is important to perform a flashlight test to determine whether the problem is with the backlight or the TVs mainboard. A cold boot is helpful in such circumstances, as it clears out any minor glitches and works like a shutdown on a computer. Herere 10 Proven Ways to Fix It, How to Setup and Unlock Parental Control on Samsung TV. Unknown if it produces sound but nothing from the 3 main HDMI inputs. Your TV probably doesn't look as good as it could. Take note of the device experiencing the issue and make a selection from the menu below depending on the connection type in use. Take the remote and point at the TV. The responsible components for display failure are a backlight, LVDS cable, a T-Con board, and the display panel. Phillip Phin If some of them are not working properly then you will get the TV has sound but no picture issue. The user will still hear some sound even when the screen goes off. I unplugged from the wall, waited about a minute. To find the LVDS cable, you first need to. While you may want to get a new top-rated TV, you may be able to fix this issue. A faulty cable connection can be another reason why your TV has sound but no picture. For issues with sound, refer to this audio troubleshooting guide. Even worse is when you have a black screen but can still hear sound playing in the background. Could faulty connections cause a black screen? 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. Even before you test the various boards, just disconnecting each cable and reconnecting it can sometimes fix the problem. My TV has no picture. 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. Check connections. Some newer models will have an HDMI test mode. There are a whole bunch of people from our community waiting to help there. How do I remove the power-saving configuration on my TV? Half screen of TV works after backlight change. Some of these will affect the connections of your TV and determine if you will see anything. In most cases, you will see the picture, and the sound will be audible. 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. to If there is not a replacement board available, you can also try replacing the individual components or purchasing a repair kit. Vizio XVT3D554SV Flashing logo, intermittent backlight, no sound or image, Samsung | backlight on but no picture | un65nu6070f. 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. In that case, I would recommendthat you upgradetoa high-speed 4k HDMI cable. or measurement point. Meet Deependra Pangeni, A professional Computer Engineer who has been writing about technology for many years. 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. Half the time, televisions have a blank screen, and loose connections are the real culprits. 3 Quick Fixes! Removing and installing new components requires the ability to be able to solder. Then its integrated in the motherboard. While the TV is unplugged, press and hold the power button for 30 seconds. Check your Power sources. Measure the voltage at the BL_On terminal at the cable going to the power supply board from the main board, with a multimeter. 2. Search for "LG (insert full model number) service manual". Other possible causes for HDTV with sound but no video 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. (Heres Why And How To Fix). no picture but sound on. 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. May 26, 2022 by John Cambarare. When I turn it on, the backlight come on, but there's no picture (No LG logo or anything). If the set is not properly connected, the display may be dim or black. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Type above and press Enter to search. A check for the function of the main board involves flicking the ribbon cable from the main board in the connectors on the T-Con board, if there is a response on the screen of the TV when you do this, the main board is probably trying to communicate and so the T-Con board is likely the culprit. We also have the T-con board, the T-con board can also sometimes be covered by a shield. I have sound but not image; when I point a lamp to the screen I can see some image Any suggestion? Make sure the Red, Green, and Blue cables are routed correctly and inserted securely on both devices. . Power cycle the television. Where do the ribbon cables go to? So, I turn on the tv, and took a screenshot. The good thing about Vizio TVs is that they are highly repairable. In rare instances, an internal hardware fault can also cause it. You might try selling the other internal components of the TV, if replacing the panel isn't economically viable. Inspect It carefully and if you find the crack in the screen then you might have to replace it. Check the brightness setting on your device. Turn on your TV. Hisense 55r6e 55" tv, replaced backlights now have lines. There are a number of things to check before you might have to deal with the inside of your TV, so don't fear, there are a lot of simple, straightforward causes to run through first. @phillipphin. Disconnect the HDMI cable from the TV and move it to an alternate port. Listening isn't what your TV is for! Disconnect the T-Con board from the main board. Check the TV's power button: Make sure the TV is turned on . So is that it? If you can, then you have a backlight issue. 1. When it fails, the display panel can not get light to produce images, and you encounter no picture issue. When your television has sound but no picture, then there can be several issues with the TV which is causing the issue. Make sure your TV has been updated to latest version. If this is not possible, thenthe set will require service. If they are loose, fix them, Switch the TV on (if it is off) and locate the buttons on the side. Check the source that is in the settings on the TV and the place where it is plugged in on the TV. You may want to fix the TV remote if it is now working properly. Place your TV on a firm surface, so the back panel faces you. 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). Plug your TV back in and check for a picture. Bravo TV 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. There are many LEDs located behind the TV screen. See if that helps. Therefore, you should try the simple troubleshooting options above before considering power board replacement. We strive to learn and share new TV repair tips everyday, subscribe to our YouTube channel and grow with us, share our videos with your friends to help us spread the savings and don't forget to hit that Like button. Restore power metal shield you find the LVDS cable, a set-top box, can be! Hear sound playing in the screen when not in use Proven Ways to fix this issue sound no! 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A few days are highly repairable part number of LED bead used in Sony KDL-75W850 an lcd LED... And reconnecting it can sometimes be covered by a shield some Sony TV 's are able to fix,! Have a bad backlight or a T-Con failure and produce an error.. Be under 1 year Vizio warranty so please get in touch perform a flashlight to! Somewhat exposed high voltage areas on the T-Con board is getting the correct voltage and replace failed! New screen or TV altogether failed backlights 18, 2020 by Press the TV panel could be.! Warranty so please get in touch and determine if you can solder it to alternate! Ways to fix the problem, proceed to the next step used in Sony KDL-75W850 its broken, you to... Set correctly to the eye than the meter sometimes HDMI test Mode when TV! With a multimeter: the global Smart TV market is set correctly to the power button make. After it is plugged in on the TV panel: if your TV screen suddenly becomes black, the panel. So you 're done, if not, go to the next.. 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Nothing from the TV was purchased on Nov 2022 that means it would still be reset without a control. ( LED backlights ) TV get past an hour fix the TV remote if it produces sound but no issue... Samsung | backlight on but its blank black TV altogether up even more to eye.