Mitsubishi CS-31301 Owner's Manual page 73

Even though you're now familiar with the basic and advanced operations
of the TV. you may run into trouble from time to time as you become
accustomed to the CS-31301 and CS-3530_. This chapter offers solutions
to some of the common problems you may encounter. We suggest that you
consult this chart betbre contacting a Mitsubishi service representative.