Learn how your comment data is processed. Videos. Wait about 10 seconds before you reconnect the receiver, then restore power to it and your TV. We have prepared a simple video to assist you in selecting the correct HDMI settings. How do you test the voltage rating of an LED in an LED TV? 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. Thanks for your article. 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. Step 3: Reboot your receiverIf your picture does quit, first make sure that it's not just your receiver acting up. Try using a different cable to see if your TV picture is restored. Sometimes issues can be causes by incorrect HDMI format settings. document.getElementById("af-footer-413914580").className = "af-footer af-quirksMode"; My TV has a sound but no picture. all in all may I just say, keep up the good work, your reach goes further than you'd ever know.Anderson.South Africa. // , How To Repair LED TV Backlight Problem – No Picture. I see this how to repair led,my question is how to repair a led TV that repeately burning led stripe. My best regards. 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. There is no picture on … If your Philips LCD TV has no picture, there are several possible reasons why, most of which are not difficult to remedy. If it does, the screen will glow slightly. You can also forward this website link to your friends and colleagues-thanks! 6 or 7 months later, the picture started to dim, then go dark. Suranga, great repair and very good explanations. User Likes Count BogaMoge. 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 Top Liked Authors. So frequent overheating not only shortens the lamp life, but your TV picture life as well. Be between the best pros as you like now too. These were designed to stop over-current of the system and protect the Electronic Control Unit. Thanks, Thanks Mr Suranga for the detailed information. if (document.getElementById("af-form-413914580")) { Hi Suranga, thanks for the illustrative explanation. Would have been great if you have included some video clips demonstrating your testing of equipments practically. If not, then it's likely the backlight bulb. 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. Hello jestineyong, please I need your help. Script on screen reads: "HDCP unauthorised. 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. 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. 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. — Candy, Wilmington, North Carolina. Whe I came home in the afternoon, it would click to turn on, red light would flash, but no picture. } LCD panel has backlit only and was light gray . 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? You have valuable knowledge and skills and should be well paid for your work, I have seen it many times here! That way, you’ll never miss a post. } 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. It is a side lit LED TV. P.S- If you enjoyed reading this, click here to subscribe to my blog (free subscription). Every time you give useful information to improve the knowledge about electronics.I am really thanks to you. Philips LCD TVs are no exception. Thanks.good review if (document.compatMode && document.compatMode == 'BackCompat') { 0 Likes Reply. 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 . Is there a way to fix an LCD TV that has sound, but no picture? The other point of failure could be the ballast, which starts up the lamp and keeps it powered. Nice job! This site uses Akismet to reduce spam. audio and tv repairing. } Thanks for the info. Very professional repair with clear photos and explanation. When you see a light turn on above the icon, that's a sure indication that your backlight lamp's days are numbered. Can some one let me know what I can do? 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. my Tv is 2 years in November just passed. I have tried powercycle but no go. No Picture on TV Screen; Procedure for RESET TO DEFAULT. 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. Hey Suranga, What can I do? TV Screen Is Black – Powers ON But No Picture. document.getElementById("af-body-413914580").className = "af-body inline af-quirksMode"; Power on the TV using the button on the TV control panel, do not use the remote control. Hi, I have an insignia 50" tv. My SONY LED TV has no picture but it has sound. 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. All the best to you. Many thanks. The TV performed the boot procedure without displaying the animation and Android logo . TV Has Sound But No Picture Troubleshooting Guide - YouTube Once the all the LEDs are exposed, you can check each of the LEDs with your meter by setting the meter to diode mode. Once you have confirmed the LEDs were all working fine and no longer shutdown, you can put back all the parts. LCD inverters can be replaced, but replacement LCD backlights are not generally available, so buying a new TV may be your only option if it fails. I noticed that it had a kind of red haze when you would turn the tv off. Please give a support by clicking on the social buttons below. BN96-26413a Good to know that also Backlight leds can be tested in Diode test to check if they light up. Now, there is no backlight, no picture(as earlier), but the sound is fine. It was a fantastic view when you can see all the LEDs were perfectly lighted. Save my name, email, and website in this browser for the next time I comment. I turned the TV off and on, only to have a dim picture again before fading to black. Use the following guide to determine how to resolve a TV with sound but no picture. Where there is a bad connection, faulty cables or improper installation. Maybe that is also a good reason never to test CMOS ICs with a Digital Meter in Diode/Beep test. Hi Mr.Suranga, you are a very high skilled service person in the field of And good to know that the reason a LCD TV quits can be caused by a single defective Backlight Led. I've tried using flashlight to check for any picture on the screen but seems like I cannot see any. Model: Zika, A Microwave Oven With Many Faults Repaired. I have never ventured to open up an LED TV to this extent! BN96-26413c More Videos. 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.