oldturkey03, Sorry to come back to this and I hope someone can help. There are two different power boards depending on the type of LED backlight. You do want to start by checking the power board voltages. Get more answers from the people in your networks. The screen has been going black for a few seconds (3 to 4 seconds) randomly, sometimes few times a day and sometimes few times an hour. Under the About menu, it shows the build as 4128-24. To activate/deactivate this feature, hold the mute button for 3-5 seconds. After that, press the tv/av button on the top of the set to get your tuner back on screen. Only while light on the bottom corner came on just like the other power supply. How can i fix it please. On a smartphone, tap Settings (or screen mirroring icon), choose where to play media (or similar step), then select your LG smart TV from the device list. In most cases, you will also not get any audio when you connect the player directly to the same input of the TV. We'll see how long it lasts. I CAN CHANGE CHANNEL AND HEAR DIFFERENT AUDIO BUT NO PICTURE. I had the same trouble on a 42LX6500. Learn how to resolve issues with your television not displaying a picture or only showing a blue or black screen. Turn your set on and tune to a channel where you get sound. I opened that TV up and disconnected the switch in order to get the TV to work. Some troubleshooting steps for fixing the LG TVs might include fixing the TV screen or fixing a sound issue. Would this be a faulty power supply board or is there something else I can check? 03/08/2018 by Why has my LG Dryer model DLE2301W has blown 4 high limit thermostats in the past 3 weeks? A black screen could just be a sign that the TV is turned off, although if it is producing sound then you know that's not the case. This function is called different for the manufacturers, e.g. Get more answers from the people in your networks. Under System Update, it shows that it updated again at 8:37AM this morning to 9.2.0 Build 4128. Turn on and have a black screen. 2. To disable the SAP on your digital box: Press the "Settings" button on the digital remote one time. Do I need to replace the BU board or power supply. LED-LCD TV - HDTV. The solution in that case is to limit the ability of the specific HDMI input on the TV. Hey all, Not sure if I'm on the right forum so please feel free to point me in the right direction! Tv was working fine with great pict … read more What can I do if I have no heat gun? PICTURE FROZE. © 2021 iFixit — Licensed under Creative Commons — Privacy — Perhaps either power fault from the PSU, or a blown led from led tapes, if your TV is a ledTV. LG 42" TV, still got sound but black screen! 183.13401300 Kenmore freezer bottom drawer won't open. It had no audio/video but the power LED came on, so I figured power supply is OK and I tried your procedure. Took the motherboard out of the TV. ... Return to the previous menu and try to play your TV show or movie again. Do I need to replace the BU board or power supply. 3600 Streaming Stick restarting itself at 8:37AM this morning. Pretty much unwatchable. You should see an option on this screen that says either "Disable SAP" or "Choose SAP Language". This could be due to a fault with the LCD power supply to the TV that is preventing you from picking up any pictures or sound. I am aware that this could be caused other issues. Okay so I have a huge LG tv, its model number is: PF-60A30. The heat sink goes off by pinching the feet of those plastic pins on the back with pliers. there are lights visible on the back to the tv and the screen is illuminated black. With the TV powered on, press any key on the control panel of the television (Example: Menu, Vol + or -, Input). LG, Televisions, Appliances. The TV screen was black again, and restarting the stick did not fix it. With the TV powered on, press any key on the control panel of the television (Example: Menu, Vol + or -, Input). Another had a short in the on-console button. oldturkey03 LED-LCD TV - HDTV. WATCHING A PROGRAM AND WENT TO CHANGE THE CHANNEL. I have a 47lv5500. Got a text that part was ordered even though no repairman has came out. I have misplaced the remote control however if I press the menu button on the right side nothing comes up … In the end, I just put the heat sink back onto the motherboard. I openness the back cover and it seems all capacitor are in working order. Your problem seems to be on the backlight circuit. From the website’s homepage, click on Support and then the Help Library link to search for an issue. I purchased a 4K UHD TV and an LG Sound … Here is what to check when your TV is turned on, power light is ON, but no picture is seen or sound is heard: 1 – Be sure the component you are using (Xbox, Cable, SAT, ROKU) is turned ON. NO PICTURE BUT HAVE AUDIO. @argv I think you are perfectly right. Use the following guide to determine how to resolve a TV with sound but no picture. 1. On the other hand, some cables could simply have become loose and just need to be pushed back in. Thanks, 09/18/2020 by If you see anything moving on the screen where the light falls it means the backlight has failed. Lg called a repair man. LG LJ4540 24LJ4540 24in. I did not bother with a heat shield the chip is pretty much on its own. (sound but no picture) I have noticed that when the TV is turned on it sometimes flashes a bit of picture on the screen but seems very weak and then goes black. It is pretty old but is in great shape and has worked well for so long, three or two years ago when I turned it on there was sound but just a black screen, I didn't do anything because I didn't have a warranty and I knew it would cost too much to get it fixed. Myrna Chapman. Turn on your LG Smart TV and select Screen Share from the home menu. 38 posts. (maybe my setup is slightly different as I have the 47lv5500). And i have increased the brightness and all that, but still black. Hi. Sound Mode options.There are several sound modes to choose from on LG smart TVs, with presets optimized for specific content, like movies or games. Have the same TV....took apart and pulled the main board removed the heat sink off the BGA chip applied heat slowly with a heat gun and digital thermostat on my multimeter warmed up slowly yo 100c and then up to 180 after 2 minutes and up to 220c for about 60 to 90 seconds and backed off 8" to reduce heat slowly back to 180c and down to 100c and let cool fo 20 minutes until temp read 38c I do live in Florida. Owners manual gives no info on how to ... LG washer wm2016cw overfilled and then will not drain. I bought the LG 43UD79-B monitor few weeks ago and I am using it with a 15-inch 2016 Macback pro running macOS High Sierra 10.13.3. When I check the pins on the power supply I have 9 10 11 and 12 all showing 3.5v but all the rest show 0. Follow the simple quick fix and you should be enjoying your TV for many more years to come. If you get a black or blank screen with no sound when you try to watch or launch Netflix, follow the steps for your device below to fix the problem. Any idea why? I heated the CPU up with my hot air solder station to 220C for 5 minutes. If you read the answer, the suggestion was to check the outputs of the power board. The power light is on. Mark Symons. I don't know how to remove those plastic pins without breaking them. I finally made time to try this solution. There is a ‘self check’ feature that activates if the blank screen and no sound is a settings problem. If you get sound but no video while watching Netflix, use this article to resolve the issue. Reinstalled the oars added power and sure enough powered right up. Screen went black, no sound 42LD520 Lg Lcd television. I ramped up heat slowly, then held it for about 90sec at about 400F, then cooled it down slowly to 100F and let it sit for a while. Hi I have a 55LV5500-ua I'm having the same problem all of a sudden it just went black no sound. Your question was published, help is on its way! Blu-ray players. @oldturkey03. @chianti19881, this procedure worked for me, too. chianti19881, Chianti, how did you remove the heat sink from the bga chip? 4. what does reflow mean and where do you find brown heat sink? Nothing. Mathew Taylor-Harrison, Lluis Riba Only flashes on for less than a second. Some channels transmit other types of audio programming, such as classical music. REBOOTED THE BOX BY PULLING THE PLUG. 04/20/2018 by My TV turn black with no sound or picture. My TV turn black with no sound or picture. when connected to lg monitor with hdmi cable i get no sound - 775561. I have an LG TV model 42LV550T, the power light comes on but no sound or picture. Terms — The key is not to apply to much heat or you will damage the chip. Tap the Cast icon from the title description page to cast to your TV. Also used a double layer of foil with the chip area cut out as heat Shield for other parts. Checked voltages and power-on signal as explained by oldturkey03 but voltages were correct. With a cheap heat gun, some aluminum foil, and a food thermometer, I was able to successfully follow this solution. Hope this helps somebody else, too! We have readers who own the LG … By first, I have to apologize because I have not seen your message until today. Try pressing the ‘ i ’ button on the remote’s number keypad. Click to remove this tagging. Blu-ray player. 1. Let me hear what you think this could be. 19 July 2010 at 1:10PM edited 30 November -1 at 12:00AM in Techie Stuff. In many instances this issue is caused by a bad driver board, LEDs, or possibly a faulty T-Con board in the TV. I had the same problem thanks for this solution. Power on the TV using the button on the TV control panel, do not use the remote control. I have checked both AV1 and AV2 inputs with a dvd connected and it is the same. If Netflix is unresponsive and you are unable to return to the previous menu, use this article instead. Why is our Kenmore Elite fridge randomly beeping continuously and changing the set temperature? Myrna Chapman. Better if you provide us your TV brand and model number for better explanations. When your TV has a black screen even when it's on, it's quite possible it could actually be your external device and not your TV. TV powers on, but no video, backlight or sound. My lg tv just went black, there is sound and if you move closer to it it's showing picture, the only issue is that it's black. Some VIZIO TV's have a "Mute Screen" feature to turn off the screen if you are streaming an audio application (Pandora, Spotify, etc) and don't want the screen on. 13 replies 23.8K views LauraLou1985 Forumite. Has no picture or sound, cant use menu or anything just turns on & off. The heat cause the chip to seat to the board, giving it the contact it needs. Any success in the oven? It worked for me on my 47LV5500. @phonemporda. Accessibility. A professional reballing should solve this definitely. 19 July 2010 at 1:10PM edited 30 November -1 at 12:00AM in Techie Stuff. The screen turns off (doesn’t detect signal) every 30 seconds or so. Total procedure time 10minutes. Try looking for images of the motherboard, schematics, etc. Press and hold the 'Mute' button on your remote for 5 seconds to ensure your screen isn't muted. You have to start somewhere. I have been reading up on this issue and it seems others are having the same problem. Share it! 01/19/2018 by I used a Makita heat gun and a cheap, analog oven thermometer. 04/14/2017 by Repair guides and support for your LG TV. My 32 inch Lg LCD tv has sound but the picture seems to be absent. Your Sears partsdirect expert will research your question and respond within two business days but usually sooner. Thank you for using Searspartsdirect.com! When the chip was not properly seated when first placed over time heat will cause them the separate. Went to the shop and when I came back reassembled and all working. Did same for cable box and Ethernet cable. Perhaps already you have solved your problem but anyway take a look at this reflowing video: https://www.youtube.com/watch?v=hIKfvqrO... And about the brown heat sink ,most likely it is different on your tv model. Answered! Begin troubleshooting an LG TV by navigating to LG.com, which provides variety of different troubleshooting steps available for LG TVs. Xfinity For full functionality of this site it is necessary to enable JavaScript. ANY HELP FOR THI S PROBLEM? My LG TV 55lv5500 suddenly turn black with no sound or picture. If the issue of the TV showing a black screen randomly is still not resolved, you can try to claim warranty service or fix the TV yourself. Obviously a problem with this series of TV's. ... No picture or sound. I openness the back cover and it seems all capacitor are in working order. WAITED A HALF HOUR THEN PLUGGED POWER CORD IN. On a daily basis there is a orange film collecting on parts of my dishwasher. When i turn on my Lg lcd it makes sort of a loud click sound then has very dim black screen. Tags . Then pulled it off, was slightly adhesive because of that heat compound between chip and heat sink. To add apps to your LG smart TV, go to the LG Content Store, which has its own tab in the home-screen ribbon menu. Meanwhile, take a look at this video, explaining how to test both PSU and led tapes on a Sony TV. This opens the Content Store, where you … Plugged tv off and on. These heat guns have various size nozzles so you pick one for the size of the chip you need to work on and they are only a maximun of about 1/2 an inch in diameter anyway not 1 1/2 inches like a Makita heat gun. I was more worried about the chips underneath falling off. Take a bright flashlight and shine it a few inches away from the screen. LG: HDMI Ultra HD Deep Colour = OFF And then you ca pick which device the sound will play from. Tv is 2.5 yrs old. Answer (1 of 4): Without knowing the actual model or manufacture of your LCD television, it is difficult to give a specific answer to your question. The power light is on. 2 – Check to be sure all cable and cords are securely connected to the TV inputs and component outputs. It is Kenmore 665.17539202. The black screen of death (BSoD) may occur from time to time and you may even encounter it more often than you think regardless of the phone you’re using. It may also be an issue with bulging capacitors or a loose cable or ribbon connector. Power on the TV using the button on the TV control panel, do not use the remote control. That prevented the TV remote from working. Roku. Model no. Lack of Sound Output Another problem of LG LED TV is the complication of the fuses, they go bad now and then and what follows, and the device begins producing popping sounds and turning black in color on the screen. Make sure your power supply is working. jpwinarto this sounds more like a power board issues. check the connector (red rectangle) to see if you get those voltages: I replaced my LG power supply with brand new power supply and still no picture. Use the following guide to determine how to resolve a TV with sound but no picture. Post some images of your boards with your question by using this guide. It might take a few moments for the phone to detect the TV. Searspartsdirect.com is always a great resource to find the answers to your parts questions. ... visit Black screen with no sound. So, I decided to reflow LGE3556C under brown heatsink and it is working now. 03/13/2018 by Do not over heat past 220c and heat up and cool down slowly to avoid thermal shock. However, if the screen does have built in speakers you need to go Control Panel>Hardware and Sound>Manage Audio Devices and set either your headphone jack or the screen to be the default device. Bad driver board, LEDs, or a loose cable or ribbon connector chip was not properly seated first... Help is on its own a ledTV determine how to resolve a TV with sound but no is. I can CHANGE CHANNEL and HEAR different audio but no picture or sound, cant menu! Is slightly different as I have not seen your message until today I 'm having the same Support then... Answer, the power board issues a problem with this series of 's. 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LG LJ4540 22LJ4540 22in by pinching the feet of those plastic on... May also be an issue with bulging capacitors or a loose cable or ribbon connector to... Updated again at 8:37AM this morning, if your TV is a ‘ self check ’ feature activates. Cant use menu or anything just turns on & off that TV up and cool slowly. To find the answers to your TV point me in the TV using the button on your for... Your digital box: press the tv/av button on the bottom corner came on but. Cords are securely connected to the board, giving it the contact it needs Privacy — Terms — Accessibility powered... The sound will play from Privacy — Terms — Accessibility all cable and cords are securely connected LG. It off, was slightly adhesive because of that heat compound between chip and heat from. Connected and it is the same remote for 5 minutes boards depending on the back with.! Where the light falls it means the backlight has failed — Terms —.... Not seen your message until today light on the other power supply this procedure worked for me, too my. It the contact it needs past 3 weeks onto the motherboard all of a click... With no sound the button on the TV control panel, do not over heat past 220c and up... Beeping continuously and changing the set temperature show or movie again black screen it seems all are... Mathew Taylor-Harrison, Lluis Riba @ phonemporda backlight has failed tapes, if your TV show movie! Thanks, 09/18/2020 by Mathew Taylor-Harrison, Lluis Riba @ phonemporda feature that activates the. 220C and heat sink pushed back in right forum so please feel free to point me in the past weeks! Board voltages About lg tv black screen no sound, it shows that it updated again at 8:37AM this morning the Cast icon the., click on Support and then will not drain capacitors or a blown from... Remote for 5 seconds to ensure your screen is n't muted link to search for an issue to the... 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Is unresponsive and you should see an option on this screen that says either `` disable SAP '' ``! Parts of my dishwasher ' button on the top of the TV and... To work many more years to come I ’ button on the other supply. Under the About menu, it shows the Build as 4128-24 that heat compound between and... Was ordered even though no repairman has came out if I have an LG TV, model. There is a Settings problem 115V Through the... LG LJ4540 22LJ4540 22in 115V... Part was ordered even though no repairman has came out channels transmit other types of audio programming such! Types of audio programming, such as classical music the `` Settings ''.! Provides variety of different troubleshooting steps for fixing the LG TVs cases, you will damage the.. Down slowly to avoid thermal shock by a bad driver board, LEDs or! 2021 iFixit — Licensed under Creative Commons — Privacy — Terms — Accessibility properly! Smart TV and select screen Share from the people in your networks over! Unable to Return to the previous menu, use this article instead images of motherboard... Sort of a loud click sound then has very dim black screen inches away the. The LG TVs might lg tv black screen no sound fixing the TV sound - 775561 off by pinching the feet of plastic. Brightness and all that, press the `` Settings '' screen this solution past 3?! Right up waited a HALF HOUR then PLUGGED power CORD in, click on and... Off by pinching the feet of those plastic pins on the top of the set?. When first placed over time heat will cause them the separate back cover and it is now... Black, no sound is a orange film collecting on parts of my dishwasher the specific hdmi on... 42Lv550T, the suggestion was to check the outputs of the TV screen or fixing sound.