Sony STR-AZ3000ES Startup Manual page 419

Help Guide
Multi Channel AV Receiver
STR-AZ7000ES/STR-AZ5000ES/STR-AZ3000ES
TV sound cannot be heard from the speakers connected to the receiver.
Make sure [Audio Return Channel] is set to [eARC] or [ARC] in the [HDMI Settings] menu.
Make sure [Input Mode] for the TV input is set to [Auto] in the [Input Settings] menu.
Make sure your TV supports the eARC or ARC function. Make sure that the HDMI input of your TV is labeled "eARC" or "ARC."
If your TV has multiple HDMI input jacks, make sure the receiver is connected to the one supports the eARC or ARC function.
Make sure your TV is connected to the HDMI OUT A jack of the receiver.
If your TV has a similar menu for eARC or ARC, or Control for HDMI function, also check the relevant settings on the TV. For details, refer to the operating instructions of the TV.
Make sure [Audio Return Channel] is set to [ARC] in the [HDMI Settings] menu when using a TV that is compatible with the ARC function but not compatible with the eARC
function.
Make sure [Audio Return Channel] is set to [Off] in the [HDMI Settings] menu when using a TV that is incompatible with both the eARC and ARC functions. Then, connect the
optical output or audio output jack(s) of the TV to the OPTICAL IN 2 jack(s) of the receiver.
Make sure the HDMI output setting is set to [HDMI A] or [HDMI A + B].
Switch input of the receiver to [TV].
Related Topic
TV sound cannot be heard from the speakers connected to the receiver (eARC/ARC).
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