Itll be fine for days or weeks then all of a sudden while watching a video (dvi-hdmi came from pc through hdmi switch) the tv will shut off then instantly start back up again. I've got a 20" LG 20LS7D flat panel TV. After a quick search online, of course, it turns out we weren’t the only ones experiencing this weird phenomenon. Someone has set an alarm or wake up mode. My KS8000 seems to randomly switch itself on between roughly 3am and 5am if the TV arieal is connected. If so, is it solid or blinking? How to Update an LG Smart TV. I recently have been having an issue with my LG Tv. 3. Is there a way to prevent this from happening? Anyone know or heard about this happening before? Disconnect the TV from the network. It turns off by itself and then shows "No signal" message. Follow these steps if the TV turns off and on by itself, reboots, or the standby light is blinking eight (8) times. This is also a recent event. :smileyconfused: That does wake one up :smileyangry: :smileyinfo: The TV was described by the DirecTV tech who made the initial setup as really an LED computer monitor rather than a regular TV. Now the TV will randomly switch itself on. Hi, any news on this? I hear what sounds like TV soundtracks without the picture. So what gives? I have an LG 55UJ634V 4K TV hooked up to a Denon AVR-X1400H. Reply. Previously the TV was hooked-up to a Comcast Digital Cable box. When we moved, we hooked-up to the existing Dish Network system in the house. My PC and an LG UP970 4K Blu-Ray Player are hooked up to the AVR. There are some problems that can cause your LG Smart TV to power off on its own. So it looks like the old remote was defective, and causing the TV to turn on. We've had it for over a month now and have recently moved. I have similar power supply on my LG 47 " LCD TV. Follow the steps below to … I use HDMI 1 for my cable box and HDMI 2 for my apple TV. 2. The unit does turn on right after but the TV only stays on for less than 15 seconds. Thank you very much for you fix. I have an RCA TV that I purchased around 2004 or 2005. I have a 52 inch sanyo that powers on, and about 8 seconds later turns off. I was at my wits end. I have a 22 inch LG TV (flat screen) which turn off by itself for about three month now after displaying that this system will shut down in ten minutes time. When I want to watch the TV's built in apps such as netflix, ATV4k turns itself on and the receiver battles itself between 'TV audio' and 'media' input. I'm getting the TV Audio via ARC into the AVR. I wake up and turn off the LG with its own remote. We have a 52" LG LCD with a Sony Bluray player connected via HDMI and they run through a Yamaha receiver again connected via HDMI. This started happening with brand new LG OLED 65 C8 and also was happening on a Samsung 55KS8000. I think this could be when the EPG is broadcast over UK Freeview. If your TV turns on or off at regular intervals, such as 30 minutes to an hour, it's likely caused by power saving functions such as Idle TV Standby, On Timer, and Sleep Timer. Someone has set a reminder in the menu options of the TV, not all TVs have this functionality but some do. Anyway, every time our power goes out and comes back on the TV turns on automatically. So turnedniff 2 adjacent energy lights by the hall and now it stays off no issues! Since we received the new remote, the TV has not turned on by itself. When I turn the PS4 Pro on and set the receiver to 'Game' input, then turn the TV power on, the ATV4K lights up and forces the receiver to 'media' input. I did some research and thought maybe LG'S smart-link was causing this behavior, but I disabled that via the TV's … When we turn the Bluray player on the TV turns on or when we turn the TV on, the receiver turns on so it does seem that the Simplink thingi isn't brand specific. 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