Sony STR-DH770 Manual page 88

[<SYSTEM>] - [AUTO STBY] is set to [STBY ON] on the display panel.
The sleep timer function was activated.
[PROTECTOR] was activated.
[131] Troubleshooting General
Cannot find an available input when connecting
several digital devices.
You can reassign the COAXIAL/OPTICAL digital audio input jacks to other inputs.
See "Using other audio input jacks (A. ASSIGN)."
[132] Troubleshooting General
The receiver does not turn on even when the TV is
turned on.
Press AMP MENU, then set [<HDMI>] - [CTRL HDMI] to [CTRL ON] on the display panel.
The TV must support the Control for HDMI function. For details, refer to the operating
instructions of the TV.
Check the speaker settings of the TV. The receiver power syncs with the speaker settings of
the TV. For details, refer to the operating instructions of the TV.
If sound was output from the speakers of the TV last time, the receiver does not turn on
even when the TV is turned on.
[133] Troubleshooting General
The receiver turns off when the TV is turned off.
Press AMP MENU, then check [<HDMI>] - [STBY LINK] on the display panel. When the
function is set to [ON], the receiver automatically turns off interlocked with the TV-power off
operation, regardless of the input of the receiver.
[134] Troubleshooting General
The receiver does not turn off even when the TV is
turned off.
Press AMP MENU, then check [<HDMI>] - [STBY LINK] on the display panel. If you want
the receiver to turn off when the TV is turned off regardless of the input of the receiver, set
[STBY LINK] to [ON]. The TV must support the Control for HDMI function. For details, refer
to the operating instructions of the TV.
Press AMP MENU, then set [<HDMI>] - [CTRL HDMI] to [CTRL ON] on the display panel.
The TV must support the Control for HDMI function. For details, refer to the operating
instructions of the TV.