Sony HT-CT660 - Manual (Page 31)

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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.
POWER
The system is not turned on.
 Check that the AC power cord
(mains lead) is connected securely.
The system is turned off
automatically.
 The “A. STBY” function is working
(page 29).
SOUND
Dolby Digital or DTS multi-channel
sound is not reproduced.
 Check the audio setting of Dolby
Digital or DTS format on the Blu-ray
Disc player, DVD player, etc.,
connected to the system.
The surround effect cannot be
obtained.
 Depending on the input signal and
the setting for the sound field,
surround sound processing may not
work effectively (page 26). The
surround effect may be subtle
depending on the program or disc.
 If you connect a Blu-ray Disc player
or a DVD player compatible with the
surround effect function, the
surround effect of the system may
not work. In this case, set the
surround effect function of the
connected equipment to off. For
details, refer to the operating
instructions supplied with the
connected equipment.
No TV sound is output from the
system.
 Check the connection of the digital
optical cable or audio cable that is
connected to the system and the TV
(page 14).
 Check the sound output of the TV.
 If the TV is not compatible with the
Audio Return Channel (ARC)
technology, connect the digital
optical cable in addition to the HDMI
cable (page 14) in order to output
sound.
The sound is output from both the
system and the TV.
 Turn off the sound of the system or
the TV.
Sound lags behind the TV image.
 Set the “SYNC” to “OFF” if “SYNC” is
set to “ON” (page 28).
No sound or only a very low-level
sound of the connected equipment
is heard from the system.
 Press VOL + and check the volume
level.
 Press MUTING or VOL + to cancel the
muting function.
 Check that the input source is
correctly selected.
 Check that all the cables and cords
of the system and the connected
equipment are fully inserted.
BLUETOOTH
There is no sound.
 Make sure this system is not too far
from the BLUETOOTH device, or this
system is not receiving interference
from a Wi-Fi network, other 2.4 GHz
wireless device, or microwave oven.
Additional Information
continued