While you wait for answers, we may have found some information which could help you.
Click here for Cracked Screen SatHow do i update Sony Sat Nav NV-U52G maps?
My Sony NV U53 lcd screen works but touch sensetive no longer works. ?
how do i update sony navu?
my screen on sony nat nav is broken - what can I do?
sony nv-u52g?
Smashed my Sony NV- U53 sat nat screen, any idea where to purchase a new 1?