Sony HT-DDWG700 Operating Instructions Manual page 60

There is severe hum or noise.
• Check that the speakers and components
are connected securely.
• Check that the connecting cords are away
from a transformer or motor, and at least
3 meters away from a TV set or
fluorescent light.
• Move your audio components away from
the TV.
• The plugs and jacks are dirty. Wipe them
with a cloth slightly moistened with
alcohol.
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 43).
• Adjust the speaker level (page 28).
There is no sound from the sub woofer.
• Check that the sub woofer 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.
60
GB
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.
There is no sound from the component
connected to the DIGITAL MEDIA
PORT adapter.
• Adjust the volume of this receiver.
• The DIGITAL MEDIA PORT adapter
and/or component is not connected
correctly. Turn off the receiver, then
reconnect the DIGITAL MEDIA PORT
adapter and/or component.
• Check the DIGITAL MEDIA PORT
adapter and/or component device to make
sure it supports this receiver.
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.
• Depending on the DIGITAL MEDIA
PORT adapter, video output may not be
possible.
The source image input to the HDMI
jack on the receiver is not output from
the TV.
• Check the HDMI connection.
• Depending on the playback component,
you may need to set up the component.
Refer to the operating instructions
supplied with the each component.