Operating Hours and Contact Info email@example.com U.S. Support800-229-1687 HoursMonday thru Friday9am to 5pm EST Related articles Where can I locate the manual for my device on the website? I'm not getting sound from Tuner. I'm not getting Dolby ATMOS audio from my Receiver? My SONY TV is not outputting Audio from ARC, I'm only getting a buzzing sound. TX-NR7100 - Rear Panel Layout Comments 0 comments Article is closed for comments.