Sony HT-CT800 Manuel D'instructions page 64

 When the system and TV are
connected with a HDMI cable, check
the following.
– The HDMI jack of the connected TV
is labeled with "ARC."
– The Control for HDMI function of the
TV is set to on.
– On the system, [Control for HDMI] is
set to [On] and [TV Audio Input
Mode] to [Auto] (page 57).
 If your TV is not compatible with
Audio Return Channel, connect the
optical digital cable (not supplied)
(refer to the supplied Startup Guide).
If the TV is not compatible with Audio
Return Channel, TV sound will not be
output from the system even if the
system is connected to the TV's HDMI
IN jack.
 Switch the input of the system to [TV].
When you connect the system and TV
with an analog audio cable (not
supplied), switch input of the system
to [Analog] (page 15).
 Increase the volume on the system or
cancel muting.
 If sound of a cable box/satellite box
connected to the TV is not output,
connect the device to a HDMI IN jack
of the system and switch input of the
system to the input for the connected
device (HDMI IN 1/2/3) (refer to the
supplied Startup Guide).
 Depending on the order in which you
connect the TV and the system, the
system may be muted and "MUTING"
is displayed on the front panel display
of the system. If this happens, turn on
the TV first, then the system.
 Set the speakers setting of the TV
(BRAVIA) to Audio System. Refer to
the operating instructions of your TV
regarding how to set the TV.
Picture and sound are not output
from the TV when the system is not
turned on.
 Set on the system [System Settings] -
[HDMI Settings] - [Control for HDMI]
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to [On], and then set [Standby
Through] to [Auto] or [On] (page 57).
 Turn on the system, and then switch
the input to that for the device
playing.
 If connected to devices other than
those manufactured by Sony that
support the Control for HDMI
function, set [System Settings] -
[HDMI Settings] - [Standby Through]
to [On] (page 57).
The sound is output from both the
system and the TV.
 Mute the sound of the system or the
TV.
The TV sound from this system lags
behind the image.
 Set [A/V SYNC] to 0 msec if it is set to
the range between 25 msec and 300
msec (page 32).
No sound or only very low-level
sound of the device connected to
the system is heard.
 Press  + on the remote control and
check the volume level (page 13).
 Press  or  + on the remote control
to cancel the muting function
(page 13).
 Make sure the input source is
selected correctly. You should try
other input sources by pressing
INPUT +/– on the remote control
several times (page 13).
 Check that all the cables and cords of
the system and the connected device
are firmly inserted.
 When you play content compatible
with copyright protection technology
(HDCP), it may not be output from the
system.
 Set [System Settings] - [HDMI
Settings] - [HDMI Signal Format] to
[Standard format] (page 20).