We have a red blinking light on plasma tv, what do we do? When we unplug it, we turn it back on and the sound comes on for a few seconds but no picture. After a few seconds, the tv cuts off and a red light blinks where the green light used to be when the tv was on.
SOURCE: red light blinking, tv doesn't start
Your TV is in Protection Mode right now. A part inside the TV has failed and the TV will not turn ON to prevent other parts from being damaged. The red light blinking is an error code for diagnosing the problem part on the one of the power supply boards. The problem boards that need to be looked at is the Backlight Inverter Board or the Main Power Supply Board.
There is a slim chance you can leave the TV unplugged for an hour so the TV can discharge and reset itself. But other than that, I would use the warranty if possible. The TV repair shop maybe expensive, so get some price quotes to see if it worth the trouble.
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