to those with Sony tvs made in the early 90's to current.

my friend found this great site to help you adjust the interal digital settings on the NVRAM;

http://209.145.176.7/~090/awh/sonyadj.html

great stuff, helped me fix the horizontal pproblem that's been getting worse and worse on my tv. make sure you know what you're doing before you start messing around or at least make a note of what the original setting is before you start changing numbers.