I just purchased an older Mitsubishi 73 inch tv model number wd-73642 - I have a newer Klipshe sound bar -Klipsch R-10B Bluetooth Soundbar with Wireless Subwoofer (Satin Black) - I purchased this as well to convert - https/www.amazon.com/gp/product/B06XCTGZFT/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 - but cant get sound out of sound bar - HELP PLEASE