The image may have a single color strip or band if the video processor or optical block is not functioning correctly.
- Verify that the source signal is not the cause.
- Verify that the video cable is not the cause.
- Using the menu, invert the display.
- If the band or strip moves, there may be a problem with the video processor.
- If the band or strip does not move, there may be a problem with the optical block.