Score 0. My Panasonic Viera plasma TV won't turn on. LG TV will not turn on. Yes No. If you experience any of the following with your product, please follow the troubleshooting steps below. Not even the red LED standby light. I have a Sharp LC-70LE660U tv will not turn on at all and there is no standby light checked the power board looked good and even bought a new power board and still nuthing?? Worked fine until I turned it off and shortly thereafter tried to turn it on. … read more. (See photos). Have a peculiar problem with my LG flat screen TV. Unplugged, waited, plugged in, red standby light came on but still will not turn on. No joy. My Samsung TV won't turn on its actually the un55mu6300 no standby light I replaced the power board and the main board and it still won't power on. Also the backlight turns on when the main board is disconnected from powersupply Tried remote(s) and the power button on the TV. Add a comment . and then check again to ensure that product works normally . My TV won't power on/off or switches off by itself, why? Could it be the main board?? Tv won't turn on and no standby light. This happened after a thunderstorm power outage. LG 55LE5500 standby light on, no picture JA: Are there any HDMI cables or A/V jacks (red, yellow, and white cables) plugged into your 55LE5500? It won't respond to the tv remote. any thoughts? Red standby light was out. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Vocational, Technical or Trade Scho. I already tried TWO replacement power supply boards and Nothing. LG TV will not turn on. Red standby light was out. If your LCD or LED TV won't turn on, or makes repeated clicking sounds, there is a very good chance that you can save hundreds of dollars doing this simple repair yourself.I k… Anthony_Infotech. Customer: 1 HDMI JA: Was there a power outage recently? Self-troubleshooting . 19,323 satisfied customers. If not power board or main board what can it be. Worked fine until I turned it off and shortly thereafter tried to turn it on. 1. No joy. Cancel. If your LCD or LED TV won't turn on, or makes repeated clicking sounds, there is a very good chance that you can save hundreds of dollars doing this simple repair yourself.I k… Note: Some models may not have an LED status indicator. (I also tried a new power cord just in case - … [Logo] LG [Title] TV Has No Power - webOS TV [Narrator] First check if the status LED on the front of the TV is on. TV is an LG 47LA6200-UA. The remote batteries are new and put in correctly. How to Fix a TV That Won't Turn On: Modern flat screen TV's have a known problem with capacitors going bad. Cannot turn on TV - Check if the power cord is plugged into the TV and wall socket. No sound comes out either. Symptoms are: NO power at all. My Screen Mode is displayed all the time and it scans unplugged. How to Fix a TV That Won't Turn On: Modern flat screen TV's have a known problem with capacitors going bad. Self Employed. It stopped working suddenly, that is no picture when switched on, I noticed the main ON/OFF red light … Is this a good question? If you press the power button on the side of the tv the red standby light comes on solid but the screen doesn't turn on. Unplugged, waited, plugged in, red standby light came on but still will not turn on. Red light remains steady on and no action from TV at all. TV was purchased two months ago. don't know why. 0 /1024. Still, no power at all and not even the red LED standby light. Anyone? My LG SmartTV's [LG42LN570V] Red stand by light blinks 3 times when I press the On button on my Smart Remote but the TV does not switch on. Tried remote(s) and the power button on the TV. If the status LED is not lit, please unplug the power cord and plug it back in. even the power button on the back will not take the tv from the standby mode to on. Red light remains steady on and no action from TV … After the red standby light comes on the buttons on the side of the tv don't do anything, including the power button. My LG LEG TV remains on Standby and will not turn on. Answer this question I have this problem too Subscribed to new answers .