Yes. It requires going into the service menu. Search this thread. It's explained a few times.
Originally Posted by R3ddlight
How do I get to the service menu? Thanks
Originally Posted by houstoned
how do i get more updated firmware? i just received my PN59D7000 today and it is a may 2011 build. when i did the internet firmware update, the latest version found was 1009. should i be concerned?