Video – Sony STR-DG720 User Manual
Page 86
86
US
There is no sound, or only a very low-
level sound is heard from the center/
surround/surround back speakers.
• Select a CINEMA STUDIO EX mode
• Adjust the speaker level (page 33).
• Make sure the center/surround speakers
are set to either “SMALL” or “LARGE”
(page 40).
• Make sure the surround back speakers are
set to “SINGLE” or “DUAL” (page 40).
There is no sound from the surround
back speaker.
• Some discs have no Dolby Digital
Surround EX flag even though the
packages have Dolby Digital Surround EX
logos. In this case, select “SB ON” (page
38).
There is no sound from the sub woofer.
• Check that the sub woofer is connected
correctly and securely.
• Make sure you have turned on your sub
woofer.
• Make sure the sub woofer is set to “YES”
• There is no sound from the sub woofer
depending on the sound field.
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.
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.
• Select the appropriate input using the input
buttons.
• Set your TV to the appropriate input mode.
• Move your audio components away from
the TV.
• Depending on the DIGITAL MEDIA
PORT adapter, video output may not be
possible.
Recording cannot be carried out.
• Check that the components are connected
correctly (page 19).
• Select the source component using the
input buttons.