Sony STR-AZ7000ES Startup Manual page 198

Help Guide
Multi Channel AV Receiver
STR-AZ7000ES/STR-AZ5000ES/STR-AZ3000ES
Connecting devices with jacks other than HDMI jacks
Connect each device to the video jack and audio jack on the rear panel of the receiver.
Before connecting cables, be sure to disconnect the AC power cord.
When connecting devices with video cables, an optical digital cable, and a coaxial digital audio cable (recommended)
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