Black box covering most of the picture in Philips TV

Closed Captioning Text Mode being on when station being viewed is not broadcasting CC Text causes this problem.

To turn off Closed Captioning:

1. Press the 'MENU' button.
2. Press cursor right to select FEATURES.
3. Press cursor down to select CLOSED CAPTIONS.
4. Press cursor right, then cursor up/down to select OFF.
5. Press the 'MENU' button to exit.