I just made an extended warranty claim with Mastercard. As the manufacturer warranty for parts is just 90 days, this won't be covered, but labor will be.
Last time I inquired into the price of an LCD (as I once cracked an LCD without otherwise damaging the display on a PSR-2100). It was very expensive, like over $400, if I remember correctly.
I hope it's a bad connection.
Beakybird