Cd music is skipping on bose 321 system and one channel of dvd audio will stop playing. Disk player has also started making loud vibration noise after loading dvd or cd. This didn't used to happen. On CD skipping problem, power off then back on will fix for a while but will happen a few minutes later. On DVD problem, switching to FM input then back to DVD input will temporarily fix but will happen again either by itself or when DVD is stopped, paused and restarted etc.

The Bose® 3·2·1 GSX Series III DVD home entertainment system puts you at the center of exciting home theater with just two visible Gemstone® speaker arrays and a hideaway Acoustimass® module. Setup is simple because, unlike traditional five-speaker surround systems, there are no center or rear speakers. An elegant media center features a progressive scan DVD/CD player with an HDMI output and AM/FM tuner. You'll enjoy vivid detail in your movies and sports with video resolution up to 1080p over HDMI.