Now, I think I can give it a try! 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 . The tv was working in the morning as my son was playing xbox. I am not sure which one I buy can someone please help me to solve this problem. I can say, hats of and look forward with the upcoming modern technology. 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. The sound is all right but the creen is pitch black. There is no picture on … I'm just wondering where I could find spares. Thanks.good review (the power 13 volts ok back light volt each 115 volts). A good LED should light up and the bad one will not light up. This article was prepared for you by Suranga Bandara who owns an Electronics repair shop in Anuradapura, Sri Lanka. Try using a different cable to see if your TV picture is restored. 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. my Tv is 2 years in November just passed. Good repair Suranga and it was fortunate that you had the exact same audio and tv repairing. PLEASE HELP! Your email address will not be published. My Panasonic TH-L55ET5K Vierra has sound but no picture, backlight is good and I would like to known the problem. Script on screen reads: "HDCP unauthorised. 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. 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. All the best to you. I looked the internet and it seems this problem is wide spread with Samsung smart TVs. . So frequent overheating not only shortens the lamp life, but your TV picture life as well. This LG LED TV was brought to me with the... // Special handling for facebook iOS since it cannot open new windows When a TV screen is black and no picture appears, this can mean a few different problems. If your Philips LCD TV has no picture, there are several possible reasons why, most of which are not difficult to remedy. 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. 0 Likes Reply. if (document.getElementById("af-body-413914580")) { 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. A customer of mine sent to me this BG LED TV with the complaint of have sound but no picture. document.getElementById("af-form-413914580").className = 'af-form af-quirksMode'; Maybe that is also a good reason never to test CMOS ICs with a Digital Meter in Diode/Beep test. -->, How To Repair LED TV Backlight Problem – No Picture. 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 parents have a Philips 30PF9946/12 LCD TV which has stopped showing a picture. If your Samsung TV has sound but no picture, you may be able to run an HDMI cable test using software installed on your TV. We have prepared a simple video to assist you in selecting the correct HDMI settings. BN96-26413B No Picture on TV Screen; Procedure for RESET TO DEFAULT. When you see a light turn on above the icon, that's a sure indication that your backlight lamp's days are numbered. — Candy, Wilmington, North Carolina. Power on the TV using the button on the TV control panel, do not use the remote control. User Likes Count BogaMoge. Please leave it in the comments. Does this sound like a bad LED? 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. 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. If not, then it's likely the backlight bulb. Wait about 10 seconds before you reconnect the receiver, then restore power to it and your TV. if (document.compatMode && document.compatMode == 'BackCompat') { } 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. I unplugged it for an hour then plu … read more Please give a support by clicking on the social buttons below. Step 3: Reboot your receiverIf your picture does quit, first make sure that it's not just your receiver acting up. Once you have got their ebooks, you can ask for technical support from them to make you a good LCD/LED TV troubleshooter. so i was wondering if i can use another model of backlights thats compatible with this tv. 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? - Answered by a verified TV Technician. These were designed to stop over-current of the system and protect the Electronic Control Unit. Problems with LCD or LED TV displays are sometimes caused by a faulty HDMI cable. Downloads are … Many thanks. In online stores, you can buy 3V and 6V SMD LEDs but how do you check the voltage of the LEDs on the TV so you can buy the correct LED replacement? My 32' LG LCD TV has suddenly lost picture! when the TV gets a backlight problem, how does it perform? There are several things you can do to fix the picture, or at least determine if the problem is your TV or something else. 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. Thanks for your article. Find the answer to this and other TV questions on JustAnswer A customer of mine sent to me this BG LED TV with the complaint of have sound but no picture. Reboot it by turning off your TV and unplugging the receiver. 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. This kind of problem usually caused by one of the bad backlight LED in the LED bar. Very useful service info! here. Please advise 6 or 7 months later, the picture started to dim, then go dark. if (!IE) { return; } No lamp, no images. 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. For LCD TVs, a failed backlight bulb or inverter could be the culprit. I have an LG 42LB5600-UZ that I purchased a power supply for but does the same thing. I tried other channels, but exactly the same. No channels. Regards 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 have Samsung TV UN75F6300AFXZA back light is gone I don't know what is the actual part number of stripe, there is big confusion MORE OFTEN when I went to change input, it would do the same. This usually indicates the LED backlight have problem. 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. 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. if (document.getElementById("af-header-413914580")) { This site uses Akismet to reduce spam. That way, you’ll never miss a post. Thank you with the information, how much do the back lights cost? var IE = /*@cc_on! if (document.getElementById("af-footer-413914580")) { Dear sir I turned the TV off and on, only to have a dim picture again before fading to black. Would have been great if you have included some video clips demonstrating your testing of equipments practically. If it does, the screen will glow slightly. Philips LCD TVs are no exception. (function() { I have question.my 42inch LG 2010 manufactured,slim border What is responsible for this. } Post Reply Featured Video. Model: Zika, A Microwave Oven With Many Faults Repaired. Make sure your TV has the recent system software installed. The power led on the front is working and not blinking. 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. //