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. You would simply, just need to disconnect all of the cables and then remove the screws that hold the board to the panel. 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. This check for the T-Con board, also touches on condition of the main board. You have checked the settings software and connections and connected devices, now lets check the function of the TV itself. 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. If you tried the update and it had no effect, or wouldn't go, the last step is a factory reset. It should be zero or low. Home - Fix - Vizio TV Sound But No Picture? Select the Menu button on your remote control. 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. A TV may have more than one supply board together with the T-Con board. Does anybody know what caused the problem. 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. Experiencing a black screen could mean that your power connection is lost. Unplug the TV from the power outlet. PureFlix Some Televisions come with power-saving features that automatically switch off the screen when not in use. If your Vizio TV has sound but no picture you need to reset it. Especially important in this step are the ribbon cables that run between a small board called the T-Con board, and the Main Board. It is essential to note that replacing the power board is a little complicated and requires some technical know-how. There are many LEDs located behind the TV screen. 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. Common causes of an LG TV with power but no picture or sound Power issues Faulty cables or wires Bad power supply board Capacitor issues Incorrect television settings Issues with the input device Try this if all else fails Powercycle the TV Reset factory settings Check for any software updates Contact the manufacturer 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. Backlight issues: LCD screens use a backlight to light up images displayed on the screen. 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. Vizio is one of the most trusted TV brands, thanks to a smooth OS and ease of navigation. Have tried recommended . Likewise, the cable device, i.e., a set-top box, can also be problematic. Plug in the cable running between the power board and the Main Board, which was disconnected in the previous procedure. Streaming Media expert and technology writer. With intuitive, responsive controls, sleek, stylish designs, and eco-friendly features, our collection gives you the power to do more at home and on the go. LG LED TV has backlight but no picture. Check the source that is in the settings on the TV and the place where it is plugged in on the TV. Check your Power sources. However, the process is different since you cannot use a remote. Warning: Copying or duplicating of any of the content is strictly prohibited. (GMT -05:00, United States of America local time) In some cases, you might experience no sound, but you can easily learn. So check b connecting with each input connection. We also have the T-con board, the T-con board can also sometimes be covered by a shield. If you don't see an image, you need to determine if your power supply is bad. Make sure you are connected to a source that will give you a signal with sound and picture (if your TV was working properly you would have a picture, that is). We may earn a commission for purchases using our links. The HDMI Inputs can have problems that will interrupt the video signal, while still allowing audio to function. 55" tcl 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. LG32LN578v black screen, All LED backlights are working properly. Unplug the external device (30 seconds) and then restore power. If you do see an image this is a sign that the backlights have failed. However, if the sound is still playing in the background, it could be a more significant issue. When he is not working, he enjoys gathering with his friends, partying and traveling. I've just ordered a replacement t-con board for my tv, and will update with the results. If your LG TV has sound but no picture, you need to reset it. To replace it: Once you have finished screwing the rear cover back, the TV should have both pictures and sound. . 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. While you may want to get a new top-rated TV, you may be able to fix this issue. Performing a manual update is another step you can take to eliminate a possible cause. The responsible components for display failure are a backlight, LVDS cable, a T-Con board, and the display panel. 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. Here is a detailed insight into the solutions for this particular problem. The first option worked for me. If the TV is off, turn it on and locate the buttons on the side panel. Nothing worked. I found one fairly cheap on e-bay, hopefully it works. 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. Second, the company has technicians that have more expertise in repairing Vizio sets, regardless of the model. There are two main points of failure, the input sockets and the cables. When this cable is damaged or broken, the display signals can not transmit to the display panel, and you encounter no picture on TV. Do you hear audio? No display indicates that the TV will require service. The good thing about Vizio TVs is that they are highly repairable. When your Samsung TV has sound, but no picture, you need to power-cycle your television. The backlights come on like normal. If you remember any harm was done to the TV screen, probably the screen is broken, and you need a replacement. Power cycle your LG TV After more research, this is what I found out: If a Vizio TV has sound and backlight but doesnt show pictures, you will need to reset or power cycle it. The only way the main board would be the root cause was if it wasn't sending signal to the T-con board. The picture has completely gone out. 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. Check the settings on the device for a switch that might turn outputs on or off. If your TV uses HDMI cables, consider swapping them for new ones. When I turn it on, the backlight come on, but there's no picture (No LG logo or anything). Initially try to find the service manual for the TV online. Ever. Disconnect the black cable between the main board and the power supply board. Since you cannot use the remote to restart your TV set, power cycling will achieve the same results. If you arent comfortable with that and want to see what other options are, you can read some of our great reviews, like our Samsung Q90R review, for help finding a new TV. Use the following guide to determine how to resolve a TV with sound but no picture. Release the power button and reconnect the power cord. This one's definitely not to be blamed the Display or the back lights it's either the Motherboard or the board on the bottom (the long one that connects to the display). Best speaker stands for Vizio satellite speakers in 2023. 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. Here's a link. Take your time and be gentle. Trash the whole thing? Some newer models will have an HDMI test mode. If the backlights came on in the previous step, this is just a double check. 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. We are always transparent about where our information comes from so that you dont have to waste time and money buying the wrong thing. Could faulty connections cause a black screen? HGTV 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. When it fails, the display panel can not get light to produce images, and you encounter no picture issue. If you cant view the menu settings, your TV might be internally damaged and needs a screen replacement or a new set altogether. Leave it unplugged and press and hold the Power button on the TV for 25 seconds while it's unplugged. Unknown if it produces sound but nothing from the 3 main HDMI inputs. Contact us for all your product questions or concerns. Then wait another 30 seconds before plugging your TV back in. You likely don't have a problem with the electronic components of your TV. Bad because I forgot it was a soft reset. NBC If the supply board responsible for images fails, the user wont be able to view images but will still hear background sound. If a certified technician cannot repair it, you should contact the company for more guidance and further diagnosis. Plug the device back in, and change the TV to the new input to see if the issue is resolved. The market will experience an impressive market growth of 21% CAGR during the same period (source). Turn on the television, either with the remote or manually, and check to see if there is a picture on the screen. Start by unplugging your TV from its power source. 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. There may be other issues that I discovered while troubleshooting the problem on my Vizio TV when the picture stopped showing and I could only hear sound. Unplugging a tv usually does drain power,but capacitors can hold some electricity. Hopefully now the TV will work and the issue of TV Has Sound But No Picture is resolved. Make sure they stay off to one side, possibly with masking tape. Reply. If your TV is not set to automatically update its software, it may cause erratic operation. This will discharge all the residue of electricity inside your TV and help in preventing you from getting shocked. Milton Bertin. To reset a Vizio TV that doesnt show pictures. 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 If you have to do voltage measurements: Use common sense and where possible use one hand at a time for measurements. We apologize for this inconvenience. Plug the TV in and turn it on. Many users of popular brands such as LG, TCL and many more have issues with Samsung TV Has Sound But No Picture. Fortunately, you can still reset the Vizio TV without a remote control even though you cant use the remote. 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). Ethernet Splitter Vs SwitchWhats the Difference? Providing a model number is super helpful, and any pictures of the inside of the TV will also help. 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 If it's working, you are done. Check Cable Connections A faulty cable connection can be another reason why your TV has sound but no picture. First, it is the surest way to get authentic spare parts for your Vizio TV. Next, swap the TV to the appropriate input. Feb 9, 2023 Reply, You should ask this on our Answers forum! Save my name, email, and website in this browser for the next time I comment. Reconfigure Smart TV (as it was before it was reset) by installing all apps one by one and continue watching. Open the back. If the TV backlight experiences any technical issues, it wont illuminate the display, and the screen will be black, but the user will be able to hear sound in the background. Phillip Phin 3. 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. [ANSWERED] ErrorFixIt. Keep holding while you release the 'power' button on the panel. While the TV is unplugged, press and hold the power button for 30 seconds. Sometimes these circuit boards can become faulty or have loose capacitors or have a loose cable connection. My TV has two cables running from the Power Supply to the Backlight Inverter. To sum up, here are the steps you should take if your Vizio TV has a black or blank screen with sound: Hundreds of people visit TVNoob.com (TV Noob) every day to get accurate and tested information about their TV, streaming media players, and streaming services problems. This quick test will help you determine if the backlights on your TV have failed. You can also try this before replacing the board or soldering any circuits on the mainboard. Our TV's are noticeably powered on with a blank lit screen with a dark blueish hue. Make sure that ROKU or other similar components are switched ON. Contents show Power-cycle your Samsung TV Does HDMI Cable Affect Picture or Sound Quality? misar Posts: 2,661. Take the remote and point at the TV. Todd-, Todd Hardy - 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. Since the TV was purchased on Nov 2022 that means it would still be under 1 year Vizio warranty so please get in touch . Power cycle your TCL TV The backlight inverter board controls the energy that converts light into images. The screen will be completely back but you can hear the sound. 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). Connection can be another reason why your TV set, power cycling will achieve the results. Tv itself, LVDS cable, a set-top box, can also this... Display indicates that the TV was purchased on Nov 2022 that means it would still under... Manually, and you need to reset a Vizio TV that doesnt show pictures prohibited... 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