I have a Toshiba TN55X81 (4:3) which doesn’t have a factory 16:9 squeeze. Since this TV automatically stretches (vertically) any 1080i signal, I opted to perform the manual squeeze through the service menu. Though I was pretty successful (only slight geometry “issues” in the corners of the screen), I’m noticing a dramatic blue “convergence drift”. Has anyone done this procedure on the Toshiba TN series? Has anyone noticed the same problem?