Sony HT-NT3 Mode D'emploi page 43

 Make sure the input source is
selected correctly. You should try
other input sources by pressing the
INPUT +/– repeatedly (page 9).
 Check that all the cables and cords
of the system and the connected
device are firmly inserted.
No TV sound is output from the system.
 Press INPUT +/– repeatedly to select
[TV] input.
 Check the connection of the HDMI
cable or optical digital cable that is
connected to the system and the TV
(refer to Step 1 in the supplied
Startup Guide).
 Depending on the order of turning
on the TV and the system, the
system may enter muting mode
and "MUTING" may appear in the
front panel display. In this case, turn
on the TV first, then the system.
 Set the speaker setting of the TV to
Audio System. Refer to the
operating instructions of the TV for
the TV settings.
 Increase the volume on the TV or
cancel muting.
 When a TV compatible with the
Audio Return Channel (ARC)
function is connected with an HDMI
cable, make sure the cable is
connected to the HDMI input (ARC)
terminal of the TV (refer to Step 1 in
the supplied Startup Guide).
 If the TV is not compatible with the
Audio Return Channel (ARC)
function, connect the optical digital
cable in addition to the HDMI cable
in order to output sound (refer to
Step 1 in the supplied Startup
Guide).
The sound is output from both the
system and the TV.
 Turn off the sound of the system or
the TV.
There is no sound from the TV via the
HDMI OUT (ARC) jack when using the
Audio Return Channel function.
 Set [Control for HDMI] in [HDMI
Settings] of [System Settings] to
[On] (page 26). Also, set [Audio
Return Channel] in [HDMI Settings]
of [System Settings] to [Auto]
(page 26).
 Make sure that your TV is
compatible with the Audio Return
Channel function.
 Make sure that an HDMI cable is
connected to a jack on your TV that
is compatible with the Audio Return
Channel function.
The system does not output sound of
TV programs correctly when connected
to a set-top box.
 Set [Audio Return Channel] in [HDMI
Settings] of [System Settings] to
[Off] (page 26).
 Check the connections (refer to the
supplied Startup Guide).
Severe hum or noise is heard.
 Check that the devices are
connected securely.
 Move your audio device away from
the TV.
 The plugs and jacks are dirty. Wipe
them with a cloth slightly
moistened with alcohol.
No sound or only a very low-level
sound is heard from the subwoofer.

 Press SW
+ to increase the
subwoofer volume (page 51).
 Make sure that the on/standby
indicator of the subwoofer is lit in
green. If not, see "No sound is heard
from the subwoofer." in "Wireless
sound" (page 44).
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