I have a Seiki 32" LCD TV (model SE32HY27) that I bought in June 2014. This article was prepared for you by Suranga Bandara who owns an Electronics repair shop in Anuradapura, Sri Lanka. now some led for back light 6 volt which not glow with diode test I suggest test led tester is best for single or hole back light Thanks. When you say the LED supply comes on briefly, how long is briefly? If you have electronic repair articles to share with us, please contact us HERE. LED strip that you could use in that tv. If there is no picture on the TV screen when using an HDMI cable, refer to: there is no picture when using an HDMI® connection . Many thanks. But I am somewhat confused by your sentence that you were happy to earn some money from this repair, do you not get paid for the electronics work you do? Since I have the LED bar and do not have the single LED thus I replaced the whole LED bar and can keep the remaining good LEDs for future use. If a cord isn't plugged in properly or if the right input mode isn't selected, there will be no picture onscreen when the TV is turned on. Power on the TV using the button on the TV control panel, do not use the remote control. No lamp, no images. Sir I have 55uh7700-ub lg tv,the tv power supply light on but no picture black screen. - Answered by a verified TV Technician. Hello jestineyong, please I need your help. if (document.getElementById("af-footer-413914580")) { I had the same problem. System software updates are available for certain LCD TVs. Try using a different cable to see if your TV picture is restored. [CDATA[ I see proper voltage from + to chassis, but LED + to - shows nothing. When you are removing the LED TV internal parts be extra careful for the Tab bonding. })(); 1. I've tried using flashlight to check for any picture on the screen but seems like I cannot see any. I have a Sanyo lcd tv 37" 720 model dp37647 I have had it since Aug 2007 It was perfect until 2 days ago-- the picture and sound went out -- black screen, no sound. Please leave it in the comments. If that doesn't work, the issue is likely with the TV's lamp.Step 4: Investigate your picture failureFor DLP TVs, picture loss can involve lamp failure. If you've switched on your TV and the sound comes through fine, but you're not seeing any picture; there are 3 potential issues. if (document.getElementById("af-header-413914580")) { Is there a way to fix an LCD TV that has sound, but no picture? These were designed to stop over-current of the system and protect the Electronic Control Unit. If not, then it's likely the backlight bulb. // ]]> With just one bad LED, the TV will shut down thus no picture can be seen. BN96-26413a A customer of mine sent to me this BG LED TV with the complaint of have sound but no picture. I have Samsung TV UN75F6300AFXZA back light is gone I don't know what is the actual part number of stripe, there is big confusion document.getElementById("af-header-413914580").className = "af-header af-quirksMode"; This usually indicates the LED backlight have problem. } Reboot it by turning off your TV and unplugging the receiver. Be between the best pros as you like now too. Good repair Suranga and it was fortunate that you had the exact same This LG LED TV was brought to me with the... // Special handling for facebook iOS since it cannot open new windows Problems with LCD or LED TV displays are sometimes caused by a faulty HDMI cable. I shutdown the TV from the remote control , but after I restarted it , there was no picture , only normal sound . (function() { Connect the disconnected devices one by one to the TV. Is it true. I have never ventured to open up an LED TV to this extent! LCD panel has backlit only and was light gray . } I'm just wondering where I could find spares. Thanks, Thanks Mr Suranga for the detailed information. Thank you Mr.Suranga. My Panasonic TH-L55ET5K Vierra has sound but no picture, backlight is good and I would like to known the problem. P.S- If you enjoyed reading this, click here to subscribe to my blog (free subscription). It is a side lit LED TV. Hey Suranga, A good way to rule out one or the other is to get the room as dark as possible and shine a flashlight at the TV from an angle. 42 inch LG lcd no picture but sound Can't Post Hello there to the people at this forum, Ok heres the thing, i have this LG 42lg50-ug model tv, its not even one year old right now. More Videos. Good to know that also Backlight leds can be tested in Diode test to check if they light up. Turned it on Friday morning and now all I have is sound and no picture. Step 5: Decide to repair or replaceIf you are not ready to part with your DLP TV, you can have the lamp or ballast replaced. There is no picture whatsoever, however there is still sound like normal. The LED TV … audio and tv repairing. } Step 2: Watch for warning signsThe fluorescent bulb in your LCD TV dims over time. Make sure your TV has the recent system software installed. Try check out this link https://jestineyong.com/simple-modification-on-sony-led-tv/, Your email address will not be published. Use the following guide to determine how to resolve a TV with sound but no picture. Hisense 50″ Smart TV Struck By Lightning Repaired, A Drill Battery Charger Shorted Out, Maintained And Repaired, A Hair Dryer That Produces Burning Smell Repaired, Backlight Replaced And LED Driver Bypassed In LG LED TV MODEL 32LF561D-TF, Welding machine power on but does not weld repaired. Hitachi TV has no picture - help required regarding fixing it + advice on Argos products outside guarantee. I know I'm unfortunate and ultimately Argos has no duty to help me on the issue but someone on here has bound to have gotten some acknowledgement from Argos beyond their 12 month warranty. I tried other channels, but exactly the same. Thanks for sharing your articles Can some one let me know what I can do? negative no colour plse advise me This is the main cause of the TV shut down. My TV has a sound but no picture. Question - my 42inch lcd tv is not working has sound but no picture can - DL. 01/07/2018 by Sim Say Hee Hi everyone just turned my tv on and cant get any picture what so ever on all the channels and av,s etc , i get sound but no picture the tv is a samsung lcd LE40R51B THANKS AND HAPPY XMAS . How do you test the voltage rating of an LED in an LED TV? I have a JVC LCD TV I turn it on and I get sound but No picture....does anyone know ... will be able to see if there is any back light. Thank you with the information, how much do the back lights cost? We use cookies to give you the best possible experience on our website. if (!IE) { return; } I have tried powercycle but no go. Hi, I have an insignia 50" tv. You share also very interesting information's with as and that are very valuable for persons who deals with such repairing as you do. Zaheedi farjan. Samsung TV Model: UE32F5370SS, 8-9 years old. Would have been great if you have included some video clips demonstrating your testing of equipments practically. When you see a light turn on above the icon, that's a sure indication that your backlight lamp's days are numbered. Laptop connection in HDMI source not working properly. You can also forward this website link to your friends and colleagues-thanks! If you start to notice your picture getting progressively dimmer, take it as a fair warning that your LCD's backlight is just about ready to quit.Many DLP TVs have a lamp icon on the TV frame. And good to know that the reason a LCD TV quits can be caused by a single defective Backlight Led. Once the cover was opened I could see three circuit boards i.e; the power supply board, main board and T-con board see the photo below: I then performed the dc voltage check on the LED backlight connector and found that the DC voltage came for a while and shut down. Kind Regards, Great awesome i have learn more thank u sir i have a question i got lately a 32 inch sony bravia the prob is the image is blurred n Well done on your repair. (adsbygoogle = window.adsbygoogle || []).push({}); You have valuable knowledge and skills and should be well paid for your work, I have seen it many times here! Insignia tv suddenly has no picture but has sound. Videos. I can say, hats of and look forward with the upcoming modern technology. Dec 24, 2008 #2 It's likely … Connect back the LVDS cables gently to the T-con board as shown below: The BG LED TV were finally repaired and I was very happy as I could earn some money from this work. Learn how your comment data is processed. My SONY LED TV has no picture but it has sound. Every time you give useful information to improve the knowledge about electronics.I am really thanks to you. There's no SONY logo during startup but there's an obvious very dim light. To prevent overheating, keep your backlight system well ventilated and avoid turning your TV on and off repeatedly without allowing it time to cool down in between. TV Screen Is Black – Powers ON But No Picture. Does this sound like a bad LED? The power led on the front is working and not blinking. Nothing. The sound is all right but the creen is pitch black. Maybe that is also a good reason never to test CMOS ICs with a Digital Meter in Diode/Beep test. Script on screen reads: "HDCP unauthorised. Note: You may check out previous post about fixing active speaker in the below link: https://jestineyong.com/no-tuning-in-philips-tv-repaired/. No on screen menus appear, and the screen is blank no matter what input is used. This site uses Akismet to reduce spam. TV Has Sound But No Picture Troubleshooting Guide - YouTube Sometimes issues can be causes by incorrect HDMI format settings. Once the all the LEDs are exposed, you can check each of the LEDs with your meter by setting the meter to diode mode. If you break it then the panel can consider useless unless if you know a way to fix it. If you can see images, then the problem is the inverter. Whe I came home in the afternoon, it would click to turn on, red light would flash, but no picture. Please give a support by clicking on the social buttons below. My TV has no picture, no power, or the LED light blinks/flashes red. var IE = /*@cc_on! Philips LCD TVs are no exception. How can I trick Sony LED TV 32" to make backlight system work normaly as if backlights are connected so that I modify another system to control backlight? Once you have confirmed the LEDs were all working fine and no longer shutdown, you can put back all the parts. The TV performed the boot procedure without displaying the animation and Android logo . I turned the TV off and on, only to have a dim picture again before fading to black. (the power 13 volts ok back light volt each 115 volts). It has sound, but no picture. I have question.my 42inch LG 2010 manufactured,slim border I see this how to repair led,my question is how to repair a led TV that repeately burning led stripe. Now, I think I can give it a try! 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. Hi Suranga, thanks for the illustrative explanation. See the three photos below: True enough I found a bad LED. 6 or 7 months later, the picture started to dim, then go dark. Hi, I’ve got an LG LED TV (Model: 55LN5710) that 4 years old and still has splendid picture and sound; however, after a few hours of playing, if I pick up and change channel or, even more frequently, adjust the volume, the TV will turn on and off and eventually stay on. PLEASE HELP! MORE OFTEN when I went to change input, it would do the same. After switching it on the picture flashes for a second and then the screen goes completely black. Now, there is no backlight, no picture(as earlier), but the sound is fine. if (document.getElementById("af-form-413914580")) { I can see a quick blip at power on no longer than a half a second with an AC voltage measurement of ~100V peak. A customer of mine sent to me this BG LED TV with the complaint of have sound but no picture. I have dealt with similar cases recently in the automotive field, where faults will make the vehicle either shut down or go into 'limp home' mode - a limited system of operation. If the problem lies with the inverter, your functioning backlight bulb won't receive power. My 32' LG LCD TV has suddenly lost picture! Suranga, great repair and very good explanations. when the TV gets a backlight problem, how does it perform? I noticed that it had a kind of red haze when you would turn the tv off. There is no picture on … Model: Zika, A Microwave Oven With Many Faults Repaired. Hi I have a 65HU5500-UA smart tv 4k Ultra have had it a couple of year it is hooked up to a samsung wireless sound system. Required fields are marked *. Took tv to repair shop they said it would cost more to repair than what the tv was worth $6-700 i was suspicious when they said they would keep it and dispose of it as it was worthless Thanks. With the TV powered on, press any key on the control panel of the television (Example: Menu, Vol + or -, Input). Just been watching TV, then suddenly, no more Picture, but Sound normal. Save my name, email, and website in this browser for the next time I comment. Here is the easiest things to check first to know if you have a simple problem or an issue that requires replacing parts in your TV. Hi, I'm Paul Blake for Repair.com with some steps to ease you through TV picture loss—from prevention to recognition to next steps when your picture finally does go out.Step 1: Avoid overheating your TVThe lamp inside your TV is responsible for projecting colors and images onto the screen. Find the answer to this and other TV questions on JustAnswer Determining whether your issue is with the lamp or ballast can be tricky without professional help, but if you recently replaced the lamp, the ballast is likely at fault. For LCD TVs, a failed backlight bulb or inverter could be the culprit. BN96-26413B The other point of failure could be the ballast, which starts up the lamp and keeps it powered. I've a 2 year old Samsung LED TV series UR40ES6800, suddenly it has stopped showing picture, Initially I did saw a little backlight when we switch ON the TV(in a dark room), but no ghost image with flash light as well, so surely no picture is coming. A good LED should light up and the bad one will not light up. In any situation, consider the TV's age and deals on new TVs before deciding.For more tips or to find a qualified service professional, visit us at Repair.com. That way, you’ll never miss a post. -->, How To Repair LED TV Backlight Problem – No Picture. Once you have got their ebooks, you can ask for technical support from them to make you a good LCD/LED TV troubleshooter. Hi Mr.Suranga, you are a very high skilled service person in the field of if (document.compatMode && document.compatMode == 'BackCompat') { Good luck restoring picture or shopping for a new TV! If it does, the screen will glow slightly. Where there is a bad connection, faulty cables or improper installation. Very professional repair with clear photos and explanation. This kind of problem usually caused by one of the bad backlight LED in the LED bar. With just one bad LED, the TV will shut down thus no picture can be seen. Could you indicate how much the repair cost? I guess it is similar with the TV - a protection mode is created. document.getElementById("af-footer-413914580").className = "af-footer af-quirksMode"; FANTASTIC VERY INTERESTING INDEED I ENJOYED IT AND ALREADY REPAIRED MORE THAN 10 LEDS AND MADE SOME MONEY MY CHALLENGE IS TO GET THE SPARES HEREB ZIMBABWE. Thanks.good review I unplugged everything, tried to reset it, no good. Please advise I have lost the picture on my Samsung tv when selecting a program on my entertainment monthly pass, paid for, I get sound only but no picture.