Sony STR-DH750 - Manual (Page 212)

MULTI CHANNEL AV RECEIVER
STR-DH750/STR-DH550
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.
Related Topic
Controlling HDMI devices (Control for HDMI)
Notes on use
4-488-933-11(1)
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