Sony STR-DA4ES Operating Instructions Manual page 76

Troubleshooting (continued)
There is no sound or only a very low-level sound
is heard.
• Check that the speakers and components are
connected securely.
• Check that you have selected the correct
component on the receiver.
• Check that the SPEAKERS switch is not set to
OFF (page 59).
• Check that the headphones are not connected.
• Press MUTING to cancel the muting function.
• The protective device on the receiver has been
activated because of a short circuit. Turn off the
receiver, eliminate the short-circuit problem and
turn on the power again.
• When only a very low-level sound is heard,
check to see if NIGHT MODE is activated (page
38).
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.
• Make sure you have grounded U SIGNAL GND
terminal (only when a turntable is connected).
• The plugs and jacks are dirty. Wipe them with a
cloth slightly moistened with alcohol.
There is no sound from the center speaker.
• Make sure the sound field function is on (press
MODE +/–).
• Select the CINEMA STUDIO EX mode (page
35).
• Adjust the speaker level (page 44).
• Make sure the center speaker size parameter is
set to either "SMALL" or "LARGE" (page 22).
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76
There is no sound or only a very low-level sound
is heard from the surround/surround back
speakers.
• Make sure the sound field function is on (press
MODE +/–).
• Select the CINEMA STUDIO EX mode (page
35).
• Adjust the speaker level (see page 44).
• Make sure the surround/surround back speaker
size parameter is set to either "SMALL" or
"LARGE" (pages 22–23).
The surround effect cannot be obtained.
• Make sure the sound field function is on (press
MODE +/–).
• Sound fields do not function for the signals with
a sampling frequency of more than 48 kHz.
• When the INPUT MODE is set to "AUTO
MULTI CH 1 or 2" and no digital signal is input,
or INPUT MODE is set to "MULTI CH 1 or 2
FIXED", you cannot change the sound field
(page 42).
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 input jacks of this receiver, check the
audio setting (settings for the audio output) of the
connected component.
Recording cannot be done.
• Check that the components are connected
correctly.
• Select the source component with FUNCTION
control.
• When recording from a digital component, make
sure the INPUT MODE is set to ANALOG 2CH
FIXED (page 42) before recording with a
component connected to the analog MD/DAT or
TAPE terminals.
• When recording from a digital component, make
sure the INPUT MODE is set to COAXIAL
FIXED or OPTICAL FIXED (page 42) before
recording with the component connected to the
DIGITAL MD/DAT OUT terminals.