(-No power, -No audio, - No backlight, -No Image itc..)

what is LED tv?

LED TV is a type of LCD television that uses light-emitting diodes (LEDs) to backlight the display instead of the cold cathode fluorescent lights (CCFLs) used in standard LCD televisions. LED TVs are more formally known as LED-backlight LCD television.

televisionhttps://whatis.techtarget.com/definition/LED-TV-LED-backlight-LCD-television