Lamperror.
Unplug the AC power cord of TV set to force power off.
While holding down the “VOL (–)” and “INPUT” keys on the set at once, plug in the AC power cord to turn on the
set. The letter K appears on the screen. (Factory mode)
Next, hold down the “VOL (—)” and “P ( V )” keys on the set at once.
Look at ERROR STANDBY COURSE.
If it says Lamperror let me know.