Onkyo TX-8390 Instruction Manual page 27

To Non-ARC TV
b a
a HDMI cable, b Digital optical cable
Contents Connections
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If the TV does not support the ARC (Audio Return Channel) function (*), connect
an HDMI cable and digital optical cable.
• If you use a cable set-top box, etc. connected to the input jack of this unit to
watch TV (without using a TV's built-in tuner), connection with a digital optical
cable or analog audio cable is not required.
• Another TV or projector can be connected to the HDMI OUT SUB jack. Switch
between MAIN and SUB using the "AUDIO Menu" (
jack is not ARC-compatible.
• If devices with different resolutions are connected to HDMI OUT MAIN jack
and SUB jack, images are output with the lower resolution.
• If a 4K high-quality video is played, use a Premium High Speed HDMI Cable
or Premium High Speed HDMI Cable with Ethernet whose package has a
"PREMIUM Certified Cable" label. Furthermore, in "Switching the HDMI 4K
Signal Format Input and Output by this Unit" ( p77), change the setting
value to "Enhanced".
• The audio from the connected TV can only be played when the audio is PCM.
To play PCM audio, set the audio output on the TV to PCM output.
(*) ARC function: Transmits the audio signals of the TV via an HDMI cable, and
plays the audio of the TV on this unit. Connection to an ARC-compatible TV is
complete with one HDMI cable. To check if the TV supports the ARC function,
refer to the instruction manual of the TV, etc.
TV
27
Playback
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Front Panel≫ Rear Panel≫ Remote≫
Setup
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p97). Note that this