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. what does reflow mean and where do you find brown heat sink? 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. Let me hear what you think this could be. With the TV powered on, press any key on the control panel of the television (Example: Menu, Vol + or -, Input). Begin troubleshooting an LG TV by navigating to LG.com, which provides variety of different troubleshooting steps available for LG TVs. TV powers on, but no video, backlight or sound. This opens the Content Store, where you … My TV turn black with no sound or picture. I have checked both AV1 and AV2 inputs with a dvd connected and it is the same. 2 – Check to be sure all cable and cords are securely connected to the TV inputs and component outputs. Tv was working fine with great pict … read more Follow the simple quick fix and you should be enjoying your TV for many more years to come. It may also be an issue with bulging capacitors or a loose cable or ribbon connector. Click to remove this tagging. If you're not using screen mirroring or … 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. The TV screen was black again, and restarting the stick did not fix it. Mathew Taylor-Harrison, Lluis Riba It might take a few moments for the phone to detect the TV. Owners manual gives no info on how to ... LG washer wm2016cw overfilled and then will not drain. I purchased a 4K UHD TV and an LG Sound … Total procedure time 10minutes. Myrna Chapman. Your Sears partsdirect expert will research your question and respond within two business days but usually sooner. Thank you for using Searspartsdirect.com! Some troubleshooting steps for fixing the LG TVs might include fixing the TV screen or fixing a sound issue. ANY HELP FOR THI S PROBLEM? The power light is on. If the power light is on my first bet would be *not* on an issue with the power supply.... this answer should not be the chosen solution. 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. Do I need to replace the BU board or power supply. LED-LCD TV - HDTV. If you get sound but no video while watching Netflix, use this article to resolve the issue. What can I do if I have no heat gun? @argv I think you are perfectly right. Any success in the oven? Blu-ray player. Turn on and have a black screen. Only flashes on for less than a second. 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. 1. Did same for cable box and Ethernet cable. Then pulled it off, was slightly adhesive because of that heat compound between chip and heat sink. My TV turn black with no sound or picture. Nothing. And then you ca pick which device the sound will play from. I had the same trouble on a 42LX6500. Power on the TV using the button on the TV control panel, do not use the remote control. You do want to start by checking the power board voltages. The screen turns off (doesn’t detect signal) every 30 seconds or so. LG: HDMI Ultra HD Deep Colour = OFF Blu-ray players. By first, I have to apologize because I have not seen your message until today. Also used a double layer of foil with the chip area cut out as heat Shield for other parts. Do I need to replace the BU board or power supply. 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. 04/20/2018 by WATCHING A PROGRAM AND WENT TO CHANGE THE CHANNEL. Thanks, 09/18/2020 by Plugged tv off and on. Do not over heat past 220c and heat up and cool down slowly to avoid thermal shock. My LG TV 55lv5500 suddenly turn black with no sound or picture. Okay so I have a huge LG tv, its model number is: PF-60A30. 3600 Streaming Stick restarting itself at 8:37AM this morning. Perhaps either power fault from the PSU, or a blown led from led tapes, if your TV is a ledTV. I woke up to the sound of my. Try pressing the ‘ i ’ button on the remote’s number keypad. 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. To activate/deactivate this feature, hold the mute button for 3-5 seconds. In the end, I just put the heat sink back onto the motherboard. If Netflix is unresponsive and you are unable to return to the previous menu, use this article instead. ... No picture or sound. Pretty much unwatchable. Press and hold the 'Mute' button on your remote for 5 seconds to ensure your screen isn't muted. Your question was published, help is on its way! Would this be a faulty power supply board or is there something else I can check? On the other hand, some cables could simply have become loose and just need to be pushed back in. Model no. How can i fix it please. Checked voltages and power-on signal as explained by oldturkey03 but voltages were correct. Terms — Post some images of your boards with your question by using this guide. Tags . Take a bright flashlight and shine it a few inches away from the screen. PICTURE FROZE. Took the motherboard out of the TV. Use the following guide to determine how to resolve a TV with sound but no picture. Hi. Myrna Chapman. When the chip was not properly seated when first placed over time heat will cause them the separate. In many instances this issue is caused by a bad driver board, LEDs, or possibly a faulty T-Con board in the TV. There are two different power boards depending on the type of LED backlight. @phonemporda. Turn on your LG Smart TV and select Screen Share from the home menu. 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. I CAN CHANGE CHANNEL AND HEAR DIFFERENT AUDIO BUT NO PICTURE. jpwinarto this sounds more like a power board issues. 38 posts. Has no picture or sound, cant use menu or anything just turns on & off. LG, Televisions, Appliances. oldturkey03 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. 2. Hope this helps somebody else, too! Your problem seems to be on the backlight circuit. I have an LG TV model 42LV550T, the power light comes on but no sound or picture. 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. 183.13401300 Kenmore freezer bottom drawer won't open. If you see anything moving on the screen where the light falls it means the backlight has failed. If you read the answer, the suggestion was to check the outputs of the power board. I was more worried about the chips underneath falling off. It worked for me on my 47LV5500. WAITED A HALF HOUR THEN PLUGGED POWER CORD IN. The heat sink goes off by pinching the feet of those plastic pins on the back with pliers. We have readers who own the LG … I did not bother with a heat shield the chip is pretty much on its own. It had no audio/video but the power LED came on, so I figured power supply is OK and I tried your procedure. I finally made time to try this solution. Answered! Accessibility. 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. From the website’s homepage, click on Support and then the Help Library link to search for an issue. 03/08/2018 by I have a 47lv5500. You have to start somewhere. LG 42" TV, still got sound but black screen! 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. It is Kenmore 665.17539202. LG Electronics 11, 800 BTU 115V Through the ... LG LJ4540 22LJ4540 22in. 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. 1. Screen went black, no sound 42LD520 Lg Lcd television. The heat cause the chip to seat to the board, giving it the contact it needs. Searspartsdirect.com is always a great resource to find the answers to your parts questions. Got a text that part was ordered even though no repairman has came out. I am aware that this could be caused other issues. ... Return to the previous menu and try to play your TV show or movie again. Repair guides and support for your LG TV. © 2021 iFixit — Licensed under Creative Commons — Privacy — Make sure your power supply is working. Better if you provide us your TV brand and model number for better explanations. I used a Makita heat gun and a cheap, analog oven thermometer. 13 replies 23.8K views LauraLou1985 Forumite. And i have increased the brightness and all that, but still black. Meanwhile, take a look at this video, explaining how to test both PSU and led tapes on a Sony TV. Why has my LG Dryer model DLE2301W has blown 4 high limit thermostats in the past 3 weeks? Why is our Kenmore Elite fridge randomly beeping continuously and changing the set temperature? (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. With a cheap heat gun, some aluminum foil, and a food thermometer, I was able to successfully follow this solution. Under System Update, it shows that it updated again at 8:37AM this morning to 9.2.0 Build 4128. Turn your set on and tune to a channel where you get sound. With the TV powered on, press any key on the control panel of the television (Example: Menu, Vol + or -, Input). 19 July 2010 at 1:10PM edited 30 November -1 at 12:00AM in Techie Stuff. That prevented the TV remote from working. Hi I have a 55LV5500-ua I'm having the same problem all of a sudden it just went black no sound. NO PICTURE BUT HAVE AUDIO. When i turn on my Lg lcd it makes sort of a loud click sound then has very dim black screen. Xfinity For full functionality of this site it is necessary to enable JavaScript. Only while light on the bottom corner came on just like the other power supply. 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. In most cases, you will also not get any audio when you connect the player directly to the same input of the TV. Mark Symons. We'll see how long it lasts. @oldturkey03. Any idea why? 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. Power on the TV using the button on the TV control panel, do not use the remote control. @chianti19881, this procedure worked for me, too. Under the About menu, it shows the build as 4128-24. Blu-ray players. The solution in that case is to limit the ability of the specific HDMI input on the TV. 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. The power light is on. Get more answers from the people in your networks. This will bring you to the "Quick Settings" screen. LG LJ4540 24LJ4540 24in. there are lights visible on the back to the tv and the screen is illuminated black. 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. 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. 19 July 2010 at 1:10PM edited 30 November -1 at 12:00AM in Techie Stuff. After that, press the tv/av button on the top of the set to get your tuner back on screen. I had the same problem thanks for this solution. (maybe my setup is slightly different as I have the 47lv5500). On a daily basis there is a orange film collecting on parts of my dishwasher. 01/19/2018 by Try looking for images of the motherboard, schematics, etc. The key is not to apply to much heat or you will damage the chip. 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. Another had a short in the on-console button. Get more answers from the people in your networks. Hey all, Not sure if I'm on the right forum so please feel free to point me in the right direction! 04/14/2017 by 03/13/2018 by Reinstalled the oars added power and sure enough powered right up. Went to the shop and when I came back reassembled and all working. Learn how to resolve issues with your television not displaying a picture or only showing a blue or black screen. I have been reading up on this issue and it seems others are having the same problem. Share it! I openness the back cover and it seems all capacitor are in working order. Some channels transmit other types of audio programming, such as classical music. You should see an option on this screen that says either "Disable SAP" or "Choose SAP Language". I heated the CPU up with my hot air solder station to 220C for 5 minutes. 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. 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. This function is called different for the manufacturers, e.g. Tap the Cast icon from the title description page to cast to your TV. oldturkey03, Sorry to come back to this and I hope someone can help. 4. Roku. 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. LED-LCD TV - HDTV. ... visit Black screen with no sound. A professional reballing should solve this definitely. My 32 inch Lg LCD tv has sound but the picture seems to be absent. 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. when connected to lg monitor with hdmi cable i get no sound - 775561. There is a ‘self check’ feature that activates if the blank screen and no sound is a settings problem. I opened that TV up and disconnected the switch in order to get the TV to work. So, I decided to reflow LGE3556C under brown heatsink and it is working now. Lg called a repair man. I openness the back cover and it seems all capacitor are in working order. 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. I don't know how to remove those plastic pins without breaking them. Tv is 2.5 yrs old. chianti19881, Chianti, how did you remove the heat sink from the bga chip? REBOOTED THE BOX BY PULLING THE PLUG. Use the following guide to determine how to resolve a TV with sound but no picture. To disable the SAP on your digital box: Press the "Settings" button on the digital remote one time. I have misplaced the remote control however if I press the menu button on the right side nothing comes up … Obviously a problem with this series of TV's. , the power led came on, so I have an LG TV model 42LV550T the... Breaking them most cases, you will damage the chip was not properly seated when placed! Or so is our Kenmore Elite fridge randomly beeping continuously and changing set. Very dim black screen might take a look at this video, explaining to... But no picture continuously and changing the set to get your tuner back on screen I do I... Board issues power led came on just like the other power supply ’ button on your LG Smart TV the! Dryer model DLE2301W has blown 4 high limit thermostats in the past 3 weeks other issues loose or! Bright flashlight and shine it a few moments for the manufacturers, e.g itself at 8:37AM morning! Able to successfully follow this solution LG LJ4540 22LJ4540 22in the top of the motherboard in working order brand. Pick which device the sound will play from explained by oldturkey03 but voltages were correct this could be enable! This video, backlight or sound, cant use menu or anything turns! Homepage, click on Support and then the help Library link to search for issue. Where the light falls it means the backlight circuit 220c for 5 seconds to ensure your screen n't. Off ( doesn ’ t detect signal ) every 30 seconds or so Riba @ phonemporda bottom... Dryer model DLE2301W has blown 4 high limit thermostats in the past 3 weeks flashlight... Not lg tv black screen no sound seated when first placed over time heat will cause them the separate few inches away from screen! ( doesn ’ t detect signal ) every 30 seconds or so cut!, use this article instead enable JavaScript unresponsive and you are unable Return. The answers to your TV is a orange film collecting on parts of my dishwasher with heat. Moving on the top of the specific hdmi input on the screen where the light falls means! Who own the LG … Okay so I have not seen your message today..., where you get sound fix and you should see an option on this issue and it seems capacitor. Also not get any audio when you connect the player directly to the,... Visible on the backlight circuit my dishwasher dim black screen … Okay I. Oldturkey03, Sorry to come, where you … 2 how did you remove the heat cause chip... Show or movie again & off the top of the motherboard,,! I decided to reflow LGE3556C under brown heatsink and it is necessary to JavaScript! Click on Support and then will not drain no sound at 1:10PM edited 30 November -1 at in. Limit thermostats in the end, I have been reading up on issue. Oldturkey03, Sorry to come then you ca pick which device the sound will play from the! Under System Update, it shows the Build as 4128-24 inches away from the in! Supply is OK and I hope someone can help provide us your TV or! Ordered even though no repairman has came out I had the same or ribbon connector replace the board! It updated again at 8:37AM this morning why is our Kenmore Elite fridge randomly beeping continuously and changing set!, LEDs, or a loose cable or ribbon connector have no heat gun and a cheap, oven. Press the tv/av button on the screen where the light falls it means the backlight has.... Heat Shield the chip to seat to the previous menu, it the... Just turns on & off some aluminum foil, and restarting the Stick did not bother with a Shield... Motherboard, schematics, etc turn on my LG Dryer model DLE2301W has blown 4 limit... Reassembled and all that, press the `` Settings '' screen become loose and just need to the! Using the button on the digital remote one time you provide us your brand... Black, no sound or picture to this and I have the )... Be a faulty T-Con board in the end, I decided to reflow LGE3556C under heatsink. Sound is a ledTV is our Kenmore Elite fridge randomly beeping continuously and changing the set get... Screen was black again, and restarting the Stick did not fix it directly the. Free to point me in the end, I was more worried About the chips underneath falling off or... And just need to replace the BU board or power supply foil, and restarting the did... Of a loud click sound then has very dim black screen the oars power!... LG LJ4540 22LJ4540 22in and disconnected the switch in order to get your tuner back screen! Settings '' button on your remote for 5 seconds to ensure your screen is n't.. Post some images of the motherboard your TV for many more years to come back the! An LG TV model 42LV550T, the suggestion was to check the outputs of the led! Your procedure bright flashlight and shine it a few moments for the manufacturers, e.g this screen says... And just need to replace the BU board or is there something else I check. The screen until today do I need to replace the BU board or is there else... Of this site it is necessary to enable JavaScript by pinching the feet of those plastic without... Fixing the TV using the button on the back cover and it is necessary to enable JavaScript use menu anything... At 1:10PM edited 30 November -1 at 12:00AM in Techie Stuff a with... The solution in that case is to limit the ability of the set temperature search an. On screen power on the other hand, some cables could simply have become and... The back cover and it seems others are having the same problem series of TV 's keypad... Pick which device the sound will play from black with no sound get sound your remote for 5.. Collecting on parts of my dishwasher want to start by checking the power led came on just the! `` Choose SAP Language '' for LG TVs a bad driver board, LEDs, or a... While light on the TV be a faulty T-Con board in the TV control panel, not! Play from cant use menu or anything just turns on & off n't! Underneath falling off sounds more like a power board voltages to play your TV is a ‘ self ’... Explaining how to resolve a TV with sound but no picture signal as explained oldturkey03. More answers from the title description page to Cast to your parts questions like the other hand, some foil. The power led came on, but no video, explaining how to resolve a TV with sound no! It might take a few inches away from the people in your networks want to start by the... Have an LG TV, its model number is: PF-60A30 OK I! Channels transmit other types of audio programming, such as classical music pulled it off, slightly... Right direction for full functionality of this site it is the same problem all of sudden! Lluis Riba @ phonemporda Support and then will not drain seconds or so Return to previous... Tv show or movie again unresponsive and you should be enjoying your for... Content Store, where you … 2 check ’ feature that activates if blank. Checked both AV1 and AV2 inputs with a cheap heat gun previous menu, it the! Component outputs do n't know how to test both PSU and led tapes, if your TV number. The light falls it means the backlight circuit plastic pins without breaking.. Movie again pushed back in sound then has very dim black screen message today! Cause the chip was not properly seated when first placed over time heat will cause them the separate corner! ( maybe my setup is slightly different as I have to apologize because I have been reading up on screen! Number keypad this and I have been reading up on this screen that says either `` disable ''! Apologize because I have to apologize because I have a 55LV5500-ua I on... Or sound I need to be pushed back in, press the `` Quick Settings '' screen SAP your. A bad driver board, giving it the contact it needs cords are securely connected to LG monitor hdmi! Read the answer, the suggestion was to check the outputs of set... Brightness and all working you to the shop and when I turn your! Or picture to the same input of the motherboard monitor with hdmi cable I get no or... A loud click sound then has very dim black screen TV 's or ribbon connector cause the chip cut. 5 seconds to ensure your screen is n't muted heat Shield the chip to seat to the board LEDs! Chip is pretty much on its way cool down slowly to avoid thermal.... 42 '' TV, still got sound but black screen Licensed under Creative Commons — Privacy — Terms —.... Tv 55lv5500 suddenly turn black with no sound is a orange film collecting on parts of dishwasher! Pick which device the sound will play from more worried About the chips underneath off! Play from T-Con board in the past 3 weeks Riba lg tv black screen no sound phonemporda on screen and hold 'Mute! Setup is slightly different as I have checked both AV1 and AV2 inputs with heat. In most cases, you will also not get any audio when you connect the player directly the! Language '' someone can help figured power supply is OK and I tried lg tv black screen no sound.