Sony HT-DDW3000 Operating Instructions Manual page 54

There is severe hum, interrupted noise
or distortion from the component
connected to the VIDEO IN/PORTABLE
AUDIO IN/AUTO CAL MIC jack.
• Check that the components are connected
securely.
• This is not a malfunction and will depend
on the connected component.
There is no sound, or only a very low-
level sound is heard from the center/
surround speakers.
• Select a CINEMA STUDIO EX mode
(page 41).
• Adjust the speaker level (page 26).
There is no sound from the subwoofer.
• Check that the subwoofer is connected
correctly and securely.
The surround effect cannot be
obtained.
• Make sure the sound field function is on
(press MOVIE or MUSIC).
• Sound fields do not function for signals
with a sampling frequency of more than
48 kHz.
Dolby Digital or DTS multi channel
sound is not reproduced.
• Check that the DVD, etc. you are playing
is recorded in Dolby Digital or DTS
format.
• When connecting the DVD player, etc. to
the digital input jacks of this receiver,
check the audio setting (the settings for the
audio output) of the connected component.
54
GB
Video
There is no picture or an unclear
picture appears on the TV screen.
• Make sure you have connected the video
output of your video component to the TV.
• Move your audio components away from
the TV.
Tuner
The FM reception is poor.
• Use a 75-ohm coaxial cable (not supplied)
to connect the receiver to an outdoor FM
antenna as shown below. If you connect
the receiver to an outdoor antenna, ground
it against lightning. To prevent a gas
explosion, do not connect the ground wire
to a gas pipe.
Outdoor FM antenna
Receiver
ANTENNA
AM
Ground wire
(not supplied)
To ground