My TV does have an aspect ratio mode called "Set By Program" that ... But basically like the other guy said, any signal that was ever 480i or 480p should be 4:3 and the various distributors ...

Tap TV Resolution and change it to 480p. 4. Once the resolution changes ... The application will prompt you to select your aspect ratio - choose 4:3. 6. Once the display changes to 4:3, exit ...