Read the instruction and manual book carefully where it will be written whether it covers or not.
Most of them do not cover it.It will cost you more to have it repaired than just buying a new one.
The labor cost of repair is very high.
You will notice that Panasonic has a tv recommended in each price category of entry level to the high end.
Sony and Toshiba (the top other brands)
Other brands like LG,
Sanyo and Vizio (the next 4 brands)
did not even get mentioned.
The cost of LCD screen is really very high and costly.
Around 60% of the list price.