Sony STR-DH540 Operating Instructions Manual page 70

Sound
There is no sound, no matter which
equipment is selected, or only a very
low-level sound is heard.
• Check that all connecting cords are
inserted to their input/output jacks for
the respective jacks of the receiver,
speakers and the equipment.
• Check that both the receiver and all
equipment are turned on.
• Check that MASTER VOLUME
control is not set to "VOL MIN".
• Check that the SPEAKERS is not set
to "SPK OFF" (page 10).
• Check that headphones are not
connected to the receiver.
• Press on the remote control to
cancel the muting function.
• Try pressing the input button on the
remote control or turning the INPUT
SELECTOR on the receiver to select
the equipment of your choice
(page 32).
• When you want to listen to the sound
from the TV speaker, set the "HDMI
Audio Out" to "TV+AMP" in the
HDMI Settings menu (page 60). If you
cannot play back multi channel audio
source, set to "AMP". However, the
sound will not output through the TV
speaker.
• Sound may be interrupted when the
sampling frequency, the number of
channels or audio format of audio
output signals from the playback
equipment is switched.
There is severe hum or noise.
• Check that the speakers and equipment
are connected securely.
• Check that the connecting cords are
away from a transformer or motor, and
at least 3 meters (10 feet) away from a
TV set or fluorescent light.
• Move your audio equipment away
from the TV.
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• The plugs and jacks 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 specific
speakers.
• Connect a pair of headphones to the
PHONES jack to verify that sound is
output from the headphones. If only
one channel is output from the
headphones, the equipment may not be
connected to the receiver correctly.
Check that all the cords are fully
inserted into the jacks on both the
receiver and the equipment.
If both 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.
• Make sure you have connected to both
the L and R jacks of an analog
equipment, analog equipment requires
both L and R jack connections. Use an
audio cord (not supplied).
• Adjust the speaker level (page 56).
• Check that the speaker settings are
appropriate for the setup using the
"Auto Calibration" or "Speaker
Pattern" in the Speaker Settings menu.
Then check that sound is output from
each speaker correctly, using "Test
Tone" in the Speaker Settings menu.
• Check that the subwoofer is connected
correctly and securely.
• Make sure you have turned on your
subwoofer.
• Depending on the selected sound field,
no sound will be available from the
subwoofer.
• When all speakers are set to "Large"
and "Neo:6 Cinema" or "Neo:6
Music" is selected, there is no sound
from the subwoofer.