The TV performed the boot procedure without displaying the animation and Android logo . This article was prepared for you by Suranga Bandara who owns an Electronics repair shop in Anuradapura, Sri Lanka. System software updates are available for certain LCD TVs. } I did not open the back yet to check for the ribbons and pins. Many thanks. No video. Many thanks! 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. This usually indicates the LED backlight have problem. Is there a way to fix an LCD TV that has sound, but no picture? BN96-26413B We have prepared a simple video to assist you in selecting the correct HDMI settings. The power led on the front is working and not blinking. Philips LCD TVs are no exception. I unplugged everything, tried to reset it, no good. . Thanks for the info. Reboot it by turning off your TV and unplugging the receiver. There is no picture on … 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. I tried other channels, but exactly the same. This LG LED TV was brought to me with the... // Special handling for facebook iOS since it cannot open new windows There's no SONY logo during startup but there's an obvious very dim light. Hi, I have an insignia 50" tv. var IE = /*@cc_on! 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. The sound is all right but the creen is pitch black. } 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. You can also forward this website link to your friends and colleagues-thanks! Please advise Thanks for your article. Connect the disconnected devices one by one to the TV. I see proper voltage from + to chassis, but LED + to - shows nothing. Hi, I have a 55 inch lg 55lb6000-uh that i am having a problem finding the backlights that goes to it. I have an LG 42LB5600-UZ that I purchased a power supply for but does the same thing. When you say the LED supply comes on briefly, how long is briefly? 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. Downloads are … Please leave it in the comments. Is it true. If you have electronic repair articles to share with us, please contact us HERE. Suranga, great repair and very good explanations. no pictures on screen but sound is on by mr1sujeet Nov 18, 2017 10:59PM PST miraz LED TV is on but I can't see pictures of the running program can only hear the words,please help me Sometimes issues can be causes by incorrect HDMI format settings. Does this sound like a bad LED? Don’t panic, Candy. The tv was working in the morning as my son was playing xbox. 1. I would like to avoid mainboard converter since it as fried light several times. negative no colour plse advise me Laptop connection in HDMI source not working properly. Learn how your comment data is processed. document.getElementById("af-header-413914580").className = "af-header af-quirksMode"; Your email address will not be published. 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? if (!IE) { return; } 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. It was a fantastic view when you can see all the LEDs were perfectly lighted. 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. Hey Suranga, 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. These were designed to stop over-current of the system and protect the Electronic Control Unit. Thank you with the information, how much do the back lights cost? 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. What is responsible for this. Thanks, Thanks Mr Suranga for the detailed information. 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. It is a side lit LED TV. Can some one let me know what I can do? Where there is a bad connection, faulty cables or improper installation. Note: You may check out previous post about fixing active speaker in the below link: https://jestineyong.com/no-tuning-in-philips-tv-repaired/. if (document.getElementById("af-body-413914580")) { This kind of problem usually caused by one of the bad backlight LED in the LED bar. Very professional repair with clear photos and explanation. 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. My parents have a Philips 30PF9946/12 LCD TV which has stopped showing a picture. A customer of mine sent to me this BG LED TV with the complaint of have sound but no picture. And good to know that the reason a LCD TV quits can be caused by a single defective Backlight Led. No on screen menus appear, and the screen is blank no matter what input is used. 0 Likes Reply. No Picture on TV Screen; Procedure for RESET TO DEFAULT. 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 Sir I have 55uh7700-ub lg tv,the tv power supply light on but no picture black screen. document.getElementById("af-footer-413914580").className = "af-footer af-quirksMode"; Once you have got their ebooks, you can ask for technical support from them to make you a good LCD/LED TV troubleshooter. If it does, the screen will glow slightly. […] TV Screen Is Black – Powers ON But No Picture. This kind of problem usually caused by one of the bad backlight LED in the LED bar. LED strip that you could use in that tv. 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. so i was wondering if i can use another model of backlights thats compatible with this tv. audio and tv repairing. When you are removing the LED TV internal parts be extra careful for the Tab bonding. 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. That way, you’ll never miss a post. You share also very interesting information's with as and that are very valuable for persons who deals with such repairing as you do. 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. If your Philips LCD TV has no picture, there are several possible reasons why, most of which are not difficult to remedy. I guess it is similar with the TV - a protection mode is created. LCD panel has backlit only and was light gray . I can say, hats of and look forward with the upcoming modern technology. Post Reply Featured Video. P.S-  If you enjoyed reading this, click here to subscribe to my blog (free subscription). I have a Seiki 32" LCD TV (model SE32HY27) that I bought in June 2014. If not, then it's likely the backlight bulb. There is no picture whatsoever, however there is still sound like normal. Very useful service info! Dear sir With just one bad LED, the TV will shut down thus no picture can be seen. if (document.getElementById("af-form-413914580")) { (adsbygoogle = window.adsbygoogle || []).push({}); all in all may I just say, keep up the good work, your reach goes further than you'd ever know.Anderson.South Africa. I am not sure which one I buy can someone please help me to solve this problem. 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. Once the all the LEDs are exposed, you can check each of the LEDs with your meter by setting the meter to diode mode. Videos. If you can see images, then the problem is the inverter. 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. After switching it on the picture flashes for a second and then the screen goes completely black. 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. Try using a different cable to see if your TV picture is restored. } I can see a quick blip at power on no longer than a half a second with an AC voltage measurement of ~100V peak. I have never ventured to open up an LED TV to this extent! 01/07/2018 by Sim Say Hee Hi Mr.Suranga, you are a very high skilled service person in the field of 6 or 7 months later, the picture started to dim, then go dark. Script on screen reads: "HDCP unauthorised. (function() { Would have been great if you have included some video clips demonstrating your testing of equipments practically. PLEASE HELP! My best regards. } 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. TV Has Sound But No Picture Troubleshooting Guide - YouTube You have valuable knowledge and skills and should be well paid for your work, I have seen it many times here! I see this how to repair led,my question is how to repair a led TV that repeately burning led stripe. when the TV gets a backlight problem, how does it perform? See the three photos below: True enough I found a bad LED. BN96-26413a LED TV Display is Good but No Audio / Sound from TV. Turn on the TV, then make sure that the indicator does not blink (which means the TV has no issues). Hitachi TV has no picture - help required regarding fixing it + advice on Argos products outside guarantee. 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. BN96-26413c If the problem lies with the inverter, your functioning backlight bulb won't receive power. I'm just wondering where I could find spares. Good luck restoring picture or shopping for a new TV! })(); if (document.getElementById("af-footer-413914580")) { Insignia tv suddenly has no picture but has sound. My SONY LED TV has no picture but it has sound. 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. Zaheedi farjan. 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. My TV has a sound but no picture. , How To Repair LED TV Backlight Problem – No Picture. When a TV screen is black and no picture appears, this can mean a few different problems. if (document.getElementById("af-header-413914580")) { The LED TV … 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? here. No lamp, no images. 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. Thank you Mr.Suranga. So frequent overheating not only shortens the lamp life, but your TV picture life as well. Nothing. Could you indicate how much the repair cost? 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. Are numbered a TV with the complaint of have sound but no picture with the,. 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