Can you fixed a cracked plasma screen TV? Reapply petroleum jelly and clean again if necessary. Apply a thick layer of petroleum jelly to the crack. Turn off the screen and unplug the TV if it seems to be working exceptionally well. Plasma televisions use flat screen technology in which tiny cells release noble gases between two panels. Check if your TV is still under warranty you can repair your screen at a discounted price if the damage is still under warranty. Repairing a broken LCD TV can cost up to $100. How much does it cost to repair a TV screen? TV screen repair costs.
