Why does your ps3 not work on another tv?

You may have to reset your video settings if you can't get your PS3 to output video to a different TV. From standby (red light on front) hold power button down for 5 seconds (while it turns on) until you hear 3 beeps and the video will reset (so you can configure) and/or auto-configure for that television if hooked up via HDMI.