Sony XBR-55X850D Help Guide - Page 310

compatible or Audio Return Channel capable, you must also connect the TV to the audio system using the DIGITAL AUDIO OUT (OPTICAL) jack (socket). See the instruction manual of the audio system for details on connecting other devices and for set-up. If the audio system is not compatible with Dolby Digital or DTS, set [Settings] - [Sound] - [Digital audio out] to [PCM]. Note The location of the HDMI port that supports ARC varies depending on your model. Refer to the Reference Guide. To connect an audio system that is not ARC capable using an optical audio cable You can connect the TV's audio output to an audio system using an optical audio cable. (A) AV receiver or Sound bar (B) Optical audio cable (not supplied) Hint See the instruction manual of the audio system for details on connecting other devices and for set-up. If the audio system is not compatible with Dolby Digital or DTS, set [Settings] - [Sound] - [Digital audio out] to [PCM]. To connect an audio system using an audio cable You can connect the TV's audio output to an audio system using a stereo 302