Troubleshooting - Sony HT-MT300 Operating Instructions Manual

Troubleshooting

Troubleshooting
If you experience any of the following
difficulties while using the system, use
this troubleshooting guide to help
remedy the problem before requesting
repairs. Should any problem persist,
consult your nearest Sony dealer.
Be sure to bring both your main unit and
subwoofer, even if it seems as though
only one has a problem, when you
request to repair.
Power
The system does not power up.
 Check that the AC power cord (mains
lead) is connected securely.
 Disconnect the AC power cord (mains
lead) from the wall outlet (mains),
and then reconnect after several
minutes.
The system is turned off
automatically.
 The auto standby function is working.
Set the auto standby function to off
(page 24).
Sound
No TV sound is output from the
system.
 If no sound is output from an optical
digital output jack, try the following.
– Connect the cable box or satellite
box directly to the TV IN (OPTICAL)
jack of the system.
– Connect the system and TV with an
analog audio cable (not supplied)
and switch the input of the system
to "ANALOG."
 Press the input button of the jack to
which you connected the TV
(page 13).
 Increase the volume on the TV or
cancel muting.
 Check the sound output of the TV.
Refer to the operating instructions of
the TV for the TV settings.
 The system supports the Dolby Digital
and PCM audio formats (page 33).
When you playback unsupported
format, set the digital audio out
setting of the TV (BRAVIA) to "PCM."
For details, refer to the operating
instructions of your TV.
The sound is output from both the
system and the TV.
 Mute the sound of the system or the
TV.
No sound or only a very low-level
sound of the device connected to
the system is heard from the
system.

 Press
+ and check the volume
level (page 11).
 
 Press
or + to cancel the muting
function (page 11).
 Make sure the input source is
selected correctly. You should try
other input sources by pressing a
different input button on the remote
control (page 13).
 Check that all the cables and cords of
the system and the connected device
are firmly inserted.
 If the connected device supports up-
sampling feature, you need to turn it
off.
The surround effect cannot be
obtained.
 Depending on the input signal and
the sound field setting, surround
sound processing may not work
effectively. The surround effect may
be subtle, depending on the program
or disc.
27
GB