Good morning!

This is Kevin Krause from Sony Support USA. I am sorry to hear about the problems that you are having with your KDL46EX600. The following is a link to Sony's esupport site for your model that gives some helpful troubleshooting tips on how to fix this issue. http://esupport.sony.com/US/p/model-home.pl?mdl=KDL46EX600&LOC=3#/howtoTab. If the link provided does not help you fix the issues that you are having, you can also call Sony's TV support line at 239-768-7547 for additional assistance.

Thank you,
Kevin Krause
Sony Support USA