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. Please leave it in the comments. Hi Mr.Suranga, you are a very high skilled service person in the field of 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? })(); Hitachi TV has no picture - help required regarding fixing it + advice on Argos products outside guarantee. Symptoms can include hearing sound but not seeing any picture ad/or messages indicating that the picture format is not supported. Where there is a bad connection, faulty cables or improper installation. , How To Repair LED TV Backlight Problem – No Picture. There is no picture whatsoever, however there is still sound like normal. 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 . 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. 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. I have an LG 42LB5600-UZ that I purchased a power supply for but does the same thing. Thank you Mr.Suranga. But I have to open the set in order to proof that I’m correct in saying one of the LED backlight could have problem. Insignia tv suddenly has no picture but has sound. Laptop connection in HDMI source not working properly. Suranga, great repair and very good explanations. Philips LCD TVs are no exception. if (!IE) { return; } Here are some steps to ease you through TV picture loss—from prevention to recognition to next steps when your picture finally does go out.TRANSCRIPTHere's a plot twist—often, your TV picture will go out before the sound does, preempting your show with an unwelcome cliffhanger. All the best to you. How about having a flickering backlight, it comes on and imediately goes off. I have question.my 42inch LG 2010 manufactured,slim border This kind of problem usually caused by one of the bad backlight LED in the LED bar. A customer of mine sent to me this BG LED TV with the complaint of have sound but no picture. LED has sound but no picture.The Tec visited from the company said that the led bulb has fused hence this is a moulded model, need replacement of entire panel.which is costly. LED TV Display is Good but No Audio / Sound from TV. Samsung TV Model: UE32F5370SS, 8-9 years old. No video with normal audio on a Smart TV will the result of one of the following issues: A connection issue; the most common problem. audio and tv repairing. Samsung TV has no picture or a black screen 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. The other point of failure could be the ballast, which starts up the lamp and keeps it powered. Thanks for the info. If not, then it's likely the backlight bulb. Now, I think I can give it a try! Find the answer to this and other TV questions on JustAnswer if (document.getElementById("af-footer-413914580")) { Try using a different cable to see if your TV picture is restored. } Be between the best pros as you like now too. User Likes Count BogaMoge. @*/false; } Once you have got their ebooks, you can ask for technical support from them to make you a good LCD/LED TV troubleshooter. Question - my 42inch lcd tv is not working has sound but no picture can - DL. 6 or 7 months later, the picture started to dim, then go dark. My best regards. That way, you’ll never miss a post. You can also forward this website link to your friends and colleagues-thanks! So frequent overheating not only shortens the lamp life, but your TV picture life as well. Hello jestineyong, please I need your help. I see proper voltage from + to chassis, but LED + to - shows nothing. This article was prepared for you by Suranga Bandara who owns an Electronics repair shop in Anuradapura, Sri Lanka. Can some one let me know what I can do? The sound is all right but the creen is pitch black. (the power 13 volts ok back light volt each 115 volts). 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. The tv was working in the morning as my son was playing xbox. document.getElementById("af-form-413914580").className = 'af-form af-quirksMode'; 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 are removing the LED TV internal parts be extra careful for the Tab bonding. BN96-26413c Every time you give useful information to improve the knowledge about electronics.I am really thanks to you. Sir I have 55uh7700-ub lg tv,the tv power supply light on but no picture black screen. 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. 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 Well done on your repair. It is a side lit LED TV. I am not sure which one I buy can someone please help me to solve this problem. TV Has Sound But No Picture Troubleshooting Guide - YouTube What can I do? Power on the TV using the button on the TV control panel, do not use the remote control. How do you test the voltage rating of an LED in an LED TV? Would have been great if you have included some video clips demonstrating your testing of equipments practically. My Panasonic TH-L55ET5K Vierra has sound but no picture, backlight is good and I would like to known the problem. MORE OFTEN when I went to change input, it would do the same. Connect the disconnected devices one by one to the TV. 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. BN96-26413B so i was wondering if i can use another model of backlights thats compatible with this tv. Could you indicate how much the repair cost? 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. There's no SONY logo during startup but there's an obvious very dim light. 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. Is working and not blinking from the remote control, but no but. Please give a support by clicking on the front is working and not blinking ad/or messages indicating that the format! Were perfectly lighted and no picture black screen my name, email, and website in browser! Audio and TV repairing led tv has sound but no picture lamp life, but exactly the same thing, i think can... Were designed to stop over-current of the bad backlight LED on the TV gets a backlight problem, long! 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