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Yes most TV's made these days have that setting
Sorry, there was a problem. Please try again later.The LG HD 720p LED TV - 28" Class (27.5" Diag), Model # 28LJ400B does have a Sleep Timer function that can be set to turn the TV off after a prescribed number of minutes by repeatedly pressing the 'Sleep' button on the remote control, or through the menu settings on the TV, Settings > General > Timers > Sleep Timers. You can also set the Power On/Off time for the TV...^IFV
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