Sony STR-DN1050 Help Manual page 261

Help Guide
MULTI CHANNEL AV RECEIVER
STR-DN1050/STR-DN850
The Audio Return Channel (ARC) function does not work.
Make sure [Control for HDMI] is set to [On] in the HDMI Settings menu.
Make sure [Input Mode] for the TV input is set to [Auto].
Make sure your TV supports the ARC function.
If your TV has multiple HDMI input jacks, make sure the receiver is connected to the one supports the ARC function.
Make sure your TV is connected to the HDMI OUT A jack of the receiver (for STR-DN1050 only).
Make sure the HDMI OUTPUT setting is set to [HDMI A] or [HDMI A + B] (for STR-DN1050 only).
Related Topic
Controlling HDMI devices (Control for HDMI)
Switching between digital and analog audio (Input Mode)
4-488-938-11(3)
Copyright 2014 Sony Corporation
330