DESC: LG's Exclusive XD Engine™ - Six distinct processes contribute to picture improvement. LG's XD Engine takes the low resolution of analog signals to near HD levels by improving brightness, contrast, detail and enhancing color as well as reducing signal noise. This total solution results in cinema like high resolution images. Color Wheel with Air Bearing - Increased reliability over conventional ball bearing color wheels. Digital Cable Ready - This HDTV includes a cable tuner which allows reception of digital cable programming without the need for an external cable box