First check the menu settings for you r component input settings. Make sure the menu is selected for Component. If some how the selection was changed by accident to RGB the colors would be pink and green.
The menu select should give a choice of Component/RGB.
If this is not the problem then you most likely have a failure on the SC board in the
unit. This would require troubleshooting to repair to component level , or complete SC
Ok , Next check to make sure all connections to the component input are plugged in correctly. If any of the component cables are loose or reversed (cables swapped or plugged into the wrong connector , this can also cause this or a similar problem.
If all is correct then you may want to get a repairman, The SC board is a little expensive. , I would call Panasonic direct, they have trained technicians that can come out and will have parts available.
you can contact them at 1-800-211-7262