Raymarine C80 GPS Receiver "autopilot repair" Questions

...Autopilot that the LCD display has stopped displaying and I would like to get it fixed. Can you help me with finding a place that will repair the display head. Everything else works fine. Go to ...

...the E55058 SeaTalk. After sitting for a month without being used it now will not boot...message on AutoPilot screen reads "STLK failed" and I cannot get any fix or satellite view on the GPS. Radar ...