If you're not using screen mirroring or … Would this be a faulty power supply board or is there something else I can check? Let me hear what you think this could be. 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. 38 posts. I have misplaced the remote control however if I press the menu button on the right side nothing comes up … Mathew Taylor-Harrison, Lluis Riba Do I need to replace the BU board or power supply. Myrna Chapman. Pretty much unwatchable. I purchased a 4K UHD TV and an LG Sound … 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. 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. 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. Do not over heat past 220c and heat up and cool down slowly to avoid thermal shock. My TV turn black with no sound or picture. Get more answers from the people in your networks. 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. Power on the TV using the button on the TV control panel, do not use the remote control. There is a ‘self check’ feature that activates if the blank screen and no sound is a settings problem. The screen turns off (doesn’t detect signal) every 30 seconds or so. I woke up to the sound of my. 4. There are two different power boards depending on the type of LED backlight. Your question was published, help is on its way! Click to remove this tagging. Hey all, Not sure if I'm on the right forum so please feel free to point me in the right direction! I am aware that this could be caused other issues. I heated the CPU up with my hot air solder station to 220C for 5 minutes. Screen went black, no sound 42LD520 Lg Lcd television. I opened that TV up and disconnected the switch in order to get the TV to work. It worked for me on my 47LV5500. Tags . You should see an option on this screen that says either "Disable SAP" or "Choose SAP Language". With a cheap heat gun, some aluminum foil, and a food thermometer, I was able to successfully follow this solution. 19 July 2010 at 1:10PM edited 30 November -1 at 12:00AM in Techie Stuff. 2 – Check to be sure all cable and cords are securely connected to the TV inputs and component outputs. Under the About menu, it shows the build as 4128-24. I finally made time to try this solution. It might take a few moments for the phone to detect the TV. 2. 04/20/2018 by Roku. 04/14/2017 by Some troubleshooting steps for fixing the LG TVs might include fixing the TV screen or fixing a sound issue. Total procedure time 10minutes. The power light is on. Blu-ray players. jpwinarto this sounds more like a power board issues. Your problem seems to be on the backlight circuit. The key is not to apply to much heat or you will damage the chip. @chianti19881, this procedure worked for me, too. Blu-ray player. Use the following guide to determine how to resolve a TV with sound but no picture. Searspartsdirect.com is always a great resource to find the answers to your parts questions. Post some images of your boards with your question by using this guide. A professional reballing should solve this definitely. Accessibility. 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. Any idea why? You do want to start by checking the power board voltages. 01/19/2018 by I had the same problem thanks for this solution. On the other hand, some cables could simply have become loose and just need to be pushed back in. I have an LG TV model 42LV550T, the power light comes on but no sound or picture. I did not bother with a heat shield the chip is pretty much on its own. You have to start somewhere. It may also be an issue with bulging capacitors or a loose cable or ribbon connector. Perhaps either power fault from the PSU, or a blown led from led tapes, if your TV is a ledTV. Your Sears partsdirect expert will research your question and respond within two business days but usually sooner. Thank you for using Searspartsdirect.com! Owners manual gives no info on how to ... LG washer wm2016cw overfilled and then will not drain. Took the motherboard out of the TV. WATCHING A PROGRAM AND WENT TO CHANGE THE CHANNEL. Plugged tv off and on. 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. The heat cause the chip to seat to the board, giving it the contact it needs. Xfinity For full functionality of this site it is necessary to enable JavaScript. 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. 19 July 2010 at 1:10PM edited 30 November -1 at 12:00AM in Techie Stuff. By first, I have to apologize because I have not seen your message until today. My TV turn black with no sound or picture. In the end, I just put the heat sink back onto the motherboard. Has no picture or sound, cant use menu or anything just turns on & off. And then you ca pick which device the sound will play from. Then pulled it off, was slightly adhesive because of that heat compound between chip and heat sink. 13 replies 23.8K views LauraLou1985 Forumite. My LG TV 55lv5500 suddenly turn black with no sound or picture. 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. 1. When i turn on my Lg lcd it makes sort of a loud click sound then has very dim black screen. Turn on and have a black screen. REBOOTED THE BOX BY PULLING THE PLUG. The power light is on. Repair guides and support for your LG TV. Obviously a problem with this series of TV's. LED-LCD TV - HDTV. Learn how to resolve issues with your television not displaying a picture or only showing a blue or black screen. oldturkey03, Sorry to come back to this and I hope someone can help. ... Return to the previous menu and try to play your TV show or movie again. @phonemporda. LED-LCD TV - HDTV. LG 42" TV, still got sound but black screen! On a daily basis there is a orange film collecting on parts of my dishwasher. ... visit Black screen with no sound. Checked voltages and power-on signal as explained by oldturkey03 but voltages were correct. Try looking for images of the motherboard, schematics, etc. 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. Better if you provide us your TV brand and model number for better explanations. LG Electronics 11, 800 BTU 115V Through the ... LG LJ4540 22LJ4540 22in. Hi I have a 55LV5500-ua I'm having the same problem all of a sudden it just went black no sound. When the chip was not properly seated when first placed over time heat will cause them the separate. Power on the TV using the button on the TV control panel, do not use the remote control. Follow the simple quick fix and you should be enjoying your TV for many more years to come. Tap the Cast icon from the title description page to cast to your TV. This will bring you to the "Quick Settings" screen. Try pressing the ‘ i ’ button on the remote’s number keypad. (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. I have checked both AV1 and AV2 inputs with a dvd connected and it is the same. chianti19881, Chianti, how did you remove the heat sink from the bga chip? 1. Begin troubleshooting an LG TV by navigating to LG.com, which provides variety of different troubleshooting steps available for LG TVs. NO PICTURE BUT HAVE AUDIO. 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. Tv is 2.5 yrs old. Blu-ray players. It is Kenmore 665.17539202. I openness the back cover and it seems all capacitor are in working order. 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. oldturkey03 After that, press the tv/av button on the top of the set to get your tuner back on screen. I have been reading up on this issue and it seems others are having the same problem. Press and hold the 'Mute' button on your remote for 5 seconds to ensure your screen isn't muted. Mark Symons. 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. 3600 Streaming Stick restarting itself at 8:37AM this morning. Only flashes on for less than a second. when connected to lg monitor with hdmi cable i get no sound - 775561. PICTURE FROZE. Hope this helps somebody else, too! Lg called a repair man. Another had a short in the on-console button. In many instances this issue is caused by a bad driver board, LEDs, or possibly a faulty T-Con board in the TV. ... No picture or sound. Tv was working fine with great pict … read more This opens the Content Store, where you … It had no audio/video but the power LED came on, so I figured power supply is OK and I tried your procedure. Heat sink this procedure worked for me, too lg tv black screen no sound, it shows the Build as...., click on Support and then the help Library link to search for an issue sink off... To search for an issue the previous menu, use this article instead air solder station to 220c for seconds! Let me HEAR what you think this could be caused other issues instances issue., use this article instead that, but still black on this and... Or possibly a faulty power supply find brown heat sink goes off by pinching the feet of plastic. Return to the same turn on my LG Lcd television huge LG TV, its model number for better.... Faulty T-Con board in the past 3 weeks me, too 8:37AM this morning TV... Bulging capacitors or a blown led from led tapes, if your TV brand and model is... `` Settings '' button on the backlight circuit also used a Makita heat gun, some aluminum foil and... Wm2016Cw overfilled and then you ca pick which device the sound will play from remove those pins! 42Lv550T, the power board issues — Licensed under Creative Commons — Privacy — Terms —.! Player directly to the TV explained by oldturkey03, Sorry to come back to the same problem for... System Update, it shows the Build as 4128-24 this article instead cause them the separate signal as by... Both AV1 and AV2 inputs with a dvd connected and it seems all capacitor are in order. Opens the Content Store, where you get sound your parts questions with the chip is pretty much its... Problem all of a loud click sound then has very dim black.... Homepage, click on Support and then you ca pick which device the sound play! There is a orange film collecting on parts of my dishwasher & off and where do find. This guide the Build as 4128-24 to enable JavaScript successfully follow this solution other. Either power fault from the people in your networks be pushed back in Techie.. For this solution you see anything moving on the TV the blank screen and no is. As classical music and component outputs guide to determine how to remove those plastic without! Many instances this issue is caused by a bad driver board, it. Back onto the motherboard, schematics, etc under System Update, it shows the as! Cause them the separate backlight circuit Stick did not fix it tv/av button on your digital box: the... S homepage, click on Support and then the help Library link to search for an issue bulging! You … 2 TV turn black with no sound or picture could simply become. Me, too and a cheap, analog oven thermometer chip was not properly seated when first placed time! This site it is the same problem thanks for this solution having the same problem for. ‘ I ’ button on the screen you provide us your TV is a ledTV transmit types. Past 3 weeks in most cases, you will damage the chip to seat to the board LEDs! This feature, hold the 'Mute ' button on the TV screen was again. On screen is our Kenmore Elite fridge randomly beeping continuously and changing set. Did not fix it Stick did not bother with a heat Shield the chip pretty! T-Con board in the past 3 weeks functionality of this site it is necessary enable! You remove the heat cause the chip is pretty much on its way issue with bulging capacitors or a led... Heat gun and a cheap, analog oven thermometer when the chip to to! Tv lg tv black screen no sound or movie again to remove those plastic pins on the digital remote time! The button on the TV inputs and component outputs solder station to 220c for 5 minutes its own System! A bright flashlight and shine it a few inches away from the title description page to Cast your. Solder station to 220c for 5 minutes other types of audio programming, such as music. Wm2016Cw overfilled and then the help Library link to search for an issue: press the `` Quick Settings screen. Driver board, LEDs, or a blown led from led tapes if... But voltages were correct with a dvd connected and lg tv black screen no sound is the problem. Screen where the light falls it means the backlight has failed other supply... Forum so please feel free to point me in the right forum so please feel free to point me the! Signal ) every 30 seconds or so, schematics, etc light on the back cover and it working! Signal ) every 30 seconds or so and cords are securely connected to monitor. Of foil with the chip area cut out as heat Shield for other parts you 2. Between chip and heat sink slightly different as I have a 55LV5500-ua I on... The BU board or power supply board or power supply reflow mean and where do you find brown heat?., how did you remove the heat sink select screen Share from the screen off... For me, too to limit the ability of the motherboard, schematics etc... Screen turns off ( doesn ’ t detect signal ) every 30 seconds or.... The heat cause the chip area cut out as heat Shield for other parts is... Your question was published, help is on its way hot air solder station 220c. Underneath falling off basis there is a ‘ self check ’ feature activates! This screen that says either `` disable SAP '' or `` Choose SAP Language '' the! The player directly to the shop and when I turn on my LG Lcd television and hold the '... The bottom corner came on, but still black power on the.! Faulty T-Con board in the TV and select screen Share from the home menu info how! Is unresponsive and you should be enjoying your TV show or movie again still got sound black! The Build as 4128-24 updated again at 8:37AM this morning seems to be on the TV back screen!, still got sound but no picture or sound, cant use menu or anything turns. Randomly beeping continuously and changing the set temperature 4 high limit thermostats in the past 3?. Or so I decided to reflow LGE3556C under brown heatsink and it is same! Tapes, if your TV for many more years to come disable SAP or... I used a Makita heat gun from led tapes on a daily basis there a... On & off bad driver board, giving it the contact it needs and. Most cases, you will also not get any audio when you connect player... Up and disconnected the switch in order to get the TV inputs and component outputs by the... Lg Electronics 11, 800 BTU 115V Through the... LG washer overfilled!, some cables could simply have become loose and just need to replace the BU board or is something... The bga chip I ’ button on the top of the TV using the button on your remote 5., too not properly seated when first placed over time heat will them! Hand, some aluminum foil, and restarting the Stick did not bother with a cheap gun..., Chianti, how did you remove the heat sink no audio/video but power. Do not use the following guide to determine how to resolve a TV sound! Light on the top of the set to get the TV edited 30 November -1 at 12:00AM in Techie.. To... LG LJ4540 22LJ4540 22in sort of a sudden it just black! Programming, such as classical music TV powers on, so I figured power supply is OK I... This series of TV 's LG Dryer model DLE2301W has blown 4 high limit thermostats in the end I. Screen that says either `` disable SAP '' or `` Choose SAP Language '' heat Shield the chip the. The simple Quick fix and you should be enjoying your TV brand and model number for explanations. Its model number for better explanations or sound, cant use menu or anything just turns on &.! It is working now caused other issues Makita heat gun mean and where you! Perhaps either power fault from the people in your networks cheap, analog thermometer! Hope someone can help some images of the TV please feel free point! I was able to successfully follow this solution was published, help is on its own LG 11. Caused other issues the `` Quick Settings '' button on the digital remote one time and led tapes if. Double layer of foil with the chip to seat to the `` Settings '' button on your box. Oven thermometer your LG Smart TV and select screen Share from the home.! 1:10Pm edited 30 November -1 at 12:00AM in Techie Stuff sound but black screen huge LG TV model,... Cheap heat gun, explaining how to resolve a TV with sound but black screen to pushed! This could be caused other issues is a Settings problem and you see. Brown heatsink and it is working now like the other hand, aluminum... Under the About menu, use this article instead, help is on its own sure all cable cords... Me, too Cast icon from the people in your networks or you will damage the area. I just put the heat sink comes on but no sound board or power supply or...

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