Toshiba 27A33 27" TV "narrow picture window" Questions

...narrow window of the entire picture. Color and sound are fine as is the small section of the picture that is visable. The window I see is a tad short in width, but otherwise OK. I have already ...

...narrow picture in the center and also e/w Fault in the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service ...