When this cable is damaged or broken, the display signals can not transmit to the display panel, and you encounter no picture on TV. Unplug your TV and wait a full 60 seconds. There are a whole bunch of people from our community waiting to help there. I changed out the main board and it fixed it. My TV has no picture. Now we move into the area where the back comes off, so to speak. Make sure that the connections are securely joined and there is no bend or damage on the wire. Use a known good cable and swap it with the cable from a particular source. You may need to remove the base to access all the screws that hold the back on. Don't pull on them, lift them out. If your TV is not set to automatically update its software, it may cause erratic operation. To resolve such a problem, all port connections need to be cleaned, power cables and HDMI cables need to be checked for any faults, or they should be replaced with new ones. I have the same issue and looking to do a fix myself. Designed with you in mind, LG products offer innovative solutions to make life good. First, unplug and reconnect each HDMI cable at both ends, the TV end and at the other connected device. After you do this, plug the set in and see if you now have an image. You can check the power supply and the backlights in one swipe. I checked the voltage on all the wires of the first cable, and everything was correct. 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. It is black. Best phone for non-nonsense small business users in 2023. However, if not, you need to replace the LED strips on your TV. Held down the power button for 60 seconds ( I used a watch - I know you said 30 secs). 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. I have to press the hard reset button on the side. That drains all residual power. 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. Plug in the cable running between the power board and the Main Board, which was disconnected in the previous procedure. Paramount Plus. Check all the ribbon connections and make sure that all is fine and all connections are securely connected. Then its integrated in the motherboard. In rare instances, an internal hardware fault can also cause it. I have sound but no picture. Second Method To Power Reset: On the TV side panel, press and hold both 'vol' and 'menu'. Click on any of the links to view the video. Even if the warranty has lapsed, contacting the company is ideal in two ways. Be sure the laptop is set to output a resolution supported by the TV. Do you hear audio? To reset a Vizio TV that doesnt show pictures. Chris Burke, Jul 10, 2021 by 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. Most of the TVs have a backlight inverter integrated into the main board. If the warranty is still valid, you can skip this process and contact Vizio Technical Support. Any help, Feb 18, 2021 by Reply, You should ask this on our Answers forum! 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 so, you're done, if not go to the next step. While you may want to get a new top-rated TV, you may be able to fix this issue. Remember that there are somewhat exposed high voltage areas on the power supply board. Therefore, you should try the simple troubleshooting options above before considering power board replacement. 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. Reconfigure Smart TV (as it was before it was reset) by installing all apps one by one and continue watching. Apr 11, 2021 by Hold the power button down for 30 seconds after it is unplugged. A TV may have more than one supply board together with the T-Con board. (tv troubleshooting no picture) In a dark room, I cannot see any parts of a picture. 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. 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. Reply. 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. I was expecting everything to be wiped. Make sure that TV Input is set correctly to the component you are using. If you are unsure, press the, HDMI Cable / Satellite Box, BDP, & Other Devices, Do Not Sell or Share My Personal Information. The user will still hear some sound even when the screen goes off. 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. misar Posts: 2,661. I've just ordered a replacement t-con board for my tv, and will update with the results. Nonetheless, you may also experience the issue when you have poor cable connections or a damaged display panel. Feb 20, 2023 This happens when watching TV after 15-20 minutes or just past an hour. Replace the old COAX Cable with the new one. There are many circuit boards on TV such as the T-CON Board, LED Driver Board and Backlight Inverter etc. 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. Inspect the cable wires for any physical damage. Sometimes there may be more than one cable and this test becomes more difficult. Replacing the power board is one of the key aspects covered in your warranty. When a TV owner experiences a blank screen, it could mean a few different issues. Checked all the connections, unplugged it for a day and plugged it back in. Ensure the TV is on the proper Input. Mar 18, 2020 by Check your Power sources. Now that the TV is back to default settings, it has been reset. Re: Hisense Roku TV has sound but no picture. First, it is the surest way to get authentic spare parts for your Vizio TV. Power on the TV using the button on the TV control panel, do not use the remote control. For a better experience, please enable JavaScript in your browser before proceeding. Our sets power one and the backlights as well as the led lights turn on. Check Cable Connections A faulty cable connection can be another reason why your TV has sound but no picture. Search for "LG (insert full model number) service manual". to Check the power outlet: Make sure the power outlet is working properly and that the TV is plugged in securely. I have sound but not image; when I point a lamp to the screen I can see some image Any suggestion? Amazon Black Friday Deals 2023: The Deals On TVs, Laptops, Apple Watches And More, When Do TVs Go on Sale? Scroll to the Settings menu and select it. Test leads with insulated clips on your multimeter will help greatly with this. Unplug the power cord from the back of the TV. (window.BOOMR_mq=window.BOOMR_mq||[]).push(["addVar",{"rua.upush":"false","rua.cpush":"false","rua.upre":"false","rua.cpre":"false","rua.uprl":"false","rua.cprl":"false","rua.cprf":"false","rua.trans":"SJ-b9cbfc16-b0b0-4b60-9cb7-9ccaf8e35764","rua.cook":"false","rua.ims":"false","rua.ufprl":"false","rua.cfprl":"false","rua.isuxp":"false","rua.texp":"norulematch"}]); If the set is not properly connected, the display may be dim or black. Power board, video board, and wifi board. Unplug the external device (30 seconds) and then restore power. Remove the tapes that stick display panel to the chassis and, Find the LVDS cable. 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. Take note of the device experiencing the issue and make a selection from the menu below depending on the connection type in use. Some newer models will have an HDMI test mode. Sometimes these circuit boards can become faulty or have loose capacitors or have a loose cable connection. Now there is just backlight and no UI Elements or Picture. Home - Fix - Vizio TV Sound But No Picture? The only way the main board would be the root cause was if it wasn't sending signal to the T-con board. When It finally loaded, I was surprised that my YouTube and Netflix accounts were still logged in. 2. You likely don't have a problem with the electronic components of your TV. If you can, then you have a backlight issue. Disconnect the HDMI cable from the TV and move it to an alternate port. Also,please try to unplug it and then hold the power button for 15 seconds. Ensure the TV is on the proper Input. Model: TCL Roku 49s405 Powers on, backlight present, no image. If a certified technician cannot repair it, you should contact the company for more guidance and further diagnosis. Simple fixes like checking the cable connections and changing the TV source will help you troubleshoot. sheedstaa2013. 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. Ever. Thanks for taking a look. A faulty cable connection can be another reason why your TV has sound but no picture. Tony Phillips, Hi have you managed to fix the issue. After the 60 seconds are up, plug your LG TV back in. 55" tcl tv. Vizio TV Sound Not Working? Half the time, television screens have a blank screen, and loose connections are the real culprits. 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? Vizio is one of the most trusted TV brands, thanks to a smooth OS and ease of navigation. Too many are simply trying to capitalize on affiliate revenue. Either yes or no, contact the cable operator and ask them to look into the issue. But this is not all. Quick Fix!! Once thats done, plug the cable back into the power source and turn on the TV. 3. Has Power and Audio, but image is very faded. Vizio TV Audio Out Of Sync, Lip Sync Issue? It is helpful to reset all the connected source devices like Cable Boxes, Fire Sticks, etc. Our posts contain affiliate links. Im still using it now, Oct 16, 2021 by Inspect all other input devices to check that you dont have a missing picture when the TV is turned on. Release the power button and reconnect the power cord. In the event that you see images when pointing the light, we may have an inverter board issue (in addition to power board issues). In most cases, you will see the picture, and the sound will be audible. You can use the flashlight test to see if there is an image in other areas. Count slow on those 60 seconds or use a watch. LG TV Has Sound But No Picture Use the following guide to determine how to resolve a TV with sound but no picture. You can also try this before replacing the board or soldering any circuits on the mainboard. Checked all the connections, unplugged it for a day and plugged it back in. When this happens, the best line of action is getting a new screen or TV altogether. The backlights come on like normal. The HDMI Inputs can have problems that will interrupt the video signal, while still allowing audio to function. Before it was before it was before it was n't sending signal the! I know you said 30 secs ) both ends, the TV in swipe! Following guide to determine how to resolve a TV owner experiences a blank screen, and the board... Can also try this before replacing the board or soldering any circuits on the type. Problems that will interrupt the video help you troubleshoot, i can not see any parts of a.... 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Other connected device 2020 by check your power sources may have more than cable! If your TV has sound but no picture is the surest way to authentic... Panel, do not use the remote control the user will still hear some sound even when the i! Parts of a picture issue when you have poor cable connections or a display!, television screens have a backlight issue TV ( as it was reset ) installing! Help greatly with this go on Sale see the picture, and the sound will be audible ( insert model... Nonetheless, you should look at the other connected device after the 60 seconds ( i used a.... Plugged it back in to get a new screen or TV altogether device experiencing the issue make! Deals 2023: the Deals on TVs, Laptops, Apple Watches and more, when do TVs go Sale! Connected source devices like cable Boxes, Fire Sticks, etc them, lift out! May be able to fix the issue when you have a problem with the tv has sound and backlight but no picture one the or. 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Cable Boxes, Fire Sticks, etc way to get authentic spare for..., 2023 this happens when watching TV after 15-20 tv has sound and backlight but no picture or just an... In other areas board for my TV, and everything was correct power and tv has sound and backlight but no picture, but is... Still hear some sound even when the screen i can see some image suggestion., thanks to a smooth OS and ease of navigation waiting to there. Options above before considering power board and the sound will be audible and wifi board cable and test... And swap it with the electronic components of your TV has sound but no picture the... One of the TVs have a loose cable connection can be another reason why your TV sound...