Connecting A Device With An Optical In Connector - Sony KD-30XS955, KD-32XS945, KD-34SX955, KD-36SX955 Operating Instructions Manual

Connecting a Device with an Optical IN Connector

You can use the TV's DIGITAL AUDIO OPTICAL output jack to
connect an audio device that is Dolby Digital and PCM compatible,
such as an audio amplifier.
❑
Using an optical cable, connect the TV's DIGITAL AUDIO
OPTICAL output jack to the device's audio optical input jack.
Audio Amplifier
✍
Because all equipment does not output digital audio, you should also
connect the TV's analog audio output jacks to the amplifier's analog audio
input jacks, as described on page 36.
TV
Optical audio cable
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