![]() The auto-off timer conserves power when the soundbar is not in use. IS THERE A BOSE SOUNDTOUCH sound bar connected to the LG TV? If yes and, in a dormant state when viewing television, please be cognizant of the following function of the sound bar: Auto - Off Timer LG TV Powers On and Off due to HDMI-CEC connected peripheral device such as a BOSE Sound bar, Firestick, Cable Decoder box, etc Consider switching cables around to confirm then, if the culprit, replace with a brand new set of wires. If not a “Clear Memory Cache” issue and right before declaring television’s electronic components defective, is television reacting in the same fashion regardless of video signal source? Meaning, if this occurs only when viewing content from cable set-top-box and not from Blu-ray player, you may have a broken cable between the video source and the television. Please EXIT streaming applications when done viewing.Perform hard reset (unplug TV, wait 30 seconds, and plug back to AC power).In User Menu turn the QST+ and SimpLink settings OFF.Note Please do not get Main board replaced. Sleep Timer - Turns off the TV after a prescribed period of time. On Time - if On Time has been set or the TV has been inactive (no buttons have been pressed) for 2 hours, the TV will turn off automatically to save power. Off Time - Turns the TV off at a preset time each day. Select Settings > TIME, then press WHEEL or ENTER. To check if the TV timers are set, Smart button on the remote controller. Time menu options affect TVs turning on or off automatically.Check if the TV power cord is securely plugged into the wall outlet or the power bar.With a TV that has a removable power cord, check whether power cord is securely plugged into the back of the TV. ![]() LG TV Powers On and Off due to TimerĪ TV that intermittently powers on or off is usually caused by the timer setting. ![]() Refer to this article for more information about overheating. As such overheating may sometimes cause the TV to power off. LG TV Powers On and Off due to OverheatingĪll electronic devices generate heat the moment their respective printed circuit boards are in operation.
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