There is no sound from one of the front speakers, There is no sound from analog 2 channel sources, There is severe hum or noise – Sony HT-DDW660 User Manual
Page 30: There is no sound from the sub woofer, The surround effect cannot be obtained, Troubleshooting
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Troubleshooting
If you experience any of the following
difficulties while using the receiver, use this
troubleshooting guide to help you remedy the
problem.
There is no sound or only a very low-level
sound no matterwhich component is
selected.
• Check that the speakers and components are
connected securely and correctly.
• Check that both the receiver and all components
are turned on.
• Check that you have selected the correct
component on the receiver.
• Check that MASTER VOLUME -/+ is not set at
“VOL MIN”.
• Check that the headphones are not connected.
• Press MUTING on the remote to cancel the
muting function.
There is no sound from a specific component.
• Check that the component is connected correctly
to the audio inputjacks for that component.
• Check that the cord(s) used for the connection is
(are) fully inserted into thejacks on both the
receiver and the component.
• Check that you have selected the correct
component on the receiver.
There is no sound from one of the front
speakers.
• Connect a pair ofheadphones to the PHONES
jack to verify that so^d is output from the
headphones. If only one channel is output from the
headphones, the component may not be connected
to the receiver correctly. Check that all the cords
are fully inserted into thejacks on both the
receiver andthe component. Ifboth channels are
output from the headphones, the front speaker
may not be connected to the receiver correctly.
Check the connection of the front speaker which is
not outputting any sound.
There is no sound from analog 2 channel
sources.
• Check that the INPUT MODE is not set to
“COAX IN” or “OPT IN” ^age 20).
There is no sound from digital sources (from
COAXIAL or OPTICAL input jack).
• Check that the INPUT MODE is not set to
“ANALOG” (page 20). Check that the INPUT
MODE is not set to “COAX IN” for the sources
from OPTICAL inputjack, or set to “OPT IN” for
the sources from COAXIAL inputjack.
The left and right sounds are unbalanced or
reversed.
• Check that the speakers and components are
connected correctly and securely.
• Adjust balance parameters in the LEVEL menu.
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 TV away from the audio components.
• The plugs andjacks are dirty. Wipe them with a
cloth slightly moistened with alcohol.
There is no sound or only a very low-level
sound is heard from the center or/and
surround speakers.
• Make sure the sound field function is on (press
A.E.D., MOVIE or MUSIC).
• Select a CINEMA STUDIO EX mode (page 18).
• Adjustthespeakerlevel(page 12).
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
A.E.D., MOVIE or MUSIC).
• Sound fields do not function for the signals with a
sampling frequency ofmore than 48 kHz.
* •
Dolby Digital or DTS multi channel sound is
not reproduced.
• Check that the playing DVD, etc. is recorded in
Dolby Digital or DTS format.
• When connecting the DVD player, etc. to the
digital inputjacks ofthis receiver, checkthe audio
setting (settings forthe audio output) ofthe
connected component.
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