Sounds like the LCD assembly which would cost almost as much as a newer unit. JNTayor is the distributor over there, you might talk to them to see if they have a used unit or pulled parts that might help you with this one.
@melbourne fishing ,
Check the 2V power connectionand cables for corrosion or looseness. If power is stable, a soft reset might help. If the issue persists, the display may need servicing.