Question : Problem: Panasonic Plasma Screen turns pink and green images

My Panasonic 42" Plasma screen imagesturns green and pink after about 45 miutes to an hour.   What could be the problem and can it be fixed?   The screen is about 12-18 months old

Answer : Problem: Panasonic Plasma Screen turns pink and green images

Not necessarily - sometimes as things heat up the thermal expansion is enough to make a connection go bad.  In any case, It would be a quick check to wiggle the connectors to see if it fixes the problem.  I'd hate to see you incur a big repair bill if you had not already ruled out the connectors.