Sony STR-ZA810ES Manual page 190

Try pressing the input button on the remote control or turning INPUT SELECTOR on the
receiver to select the input to which you want to listen.
Set your TV to the appropriate input mode.
Make sure that cables are correctly and securely connected to devices.
Disconnect the HDMI cable from the receiver and TV and then reconnect the cable.
Set [HDMI Signal Format] of the selected input to [Standard format] in the [HDMI Settings]
menu.
Some playback devices need to be set up. Refer to the operating instructions supplied with
each device.
Be sure to use a High Speed HDMI Cable with Ethernet when you view images or listen to
sound, especially for 1080p, Deep Color (Deep Colour), 4K or 3D transmission. Premium
High Speed HDMI Cable with Ethernet that supports 18 Gbps is required for 4K/60p 4:4:4,
4:2:2 and 4K/60p 4:2:0 10 bit etc.
The output of the HDMI video signals of the receiver may be set to [HDMI OFF]. In this
case, press HDMI OUT to set to [HDMI A], [HDMI B], or [HDMI A + B].
If you want to play HDCP 2.2 content, connect the receiver to an HDMI input jack of a TV
that supports HDCP 2.2.
[235] Troubleshooting
No 3D content appears on the TV screen.
Depending on the TV or the video device, 3D content may not be displayed. Check the
HDMI video formats supported by the receiver.
Be sure to use a High Speed HDMI Cable with Ethernet.
[236] Troubleshooting
No 4K content appears on the TV screen.
Depending on the TV or the video device, 4K content may not be displayed. Check the
video capability and settings of your TV and video device.
Be sure to use a High Speed HDMI Cable with Ethernet.
When you use high bandwidth video formats such as 4K/60p 4:4:4, 4:2:2 and 4K/60p 4:2:0
10 bit, a Premium High Speed HDMI Cable with Ethernet, which can support bandwidth up
to 18 Gbps, is required.
If your TV has similar menu for high bandwidth video format, check the setting on the TV
menu when you set [HDMI Signal Format] to [Enhanced format] on this receiver. For details
on the setting of the TV menu, refer to the operating instructions of the TV.
Be sure to connect the receiver to an HDMI input jack of a TV or video device that supports
4K. You have to connect an HDMI cable to an HDMI jack that supports HDCP 2.2 when you
use a playback device for 4K resolution video content, etc.
[237] Troubleshooting
No image is output from the TV screen when the
receiver is in standby mode.
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