PANASONIC 43 TO 55 INCH 4K SMART LEDE TV POWER SUPPLY ALL TESTED AND FRASH PCB 20 DAYS TESTING WARRANTY Product Details: It is recommended that you compare the TV model and picture before making an order. What if the Item is received but not working on my TV? If such an issue arises during your warranty period. Testing The product is Tested provided it is reported the same day.