Sony STR-DE635 - Manual (Page 47)

Additional
Information
Troubleshooting
If you experience any of the following difficulties while
using the receiver, use this troubleshooting guide to help
you remedy the problem. Also, see "Checking the
connections" on page 20 to verify that the connections are
correct. Should any problem persist, consult your nearest
Sony dealer.
There's no sound or only a very low-level sound
is heard.
^ Check that the speakers and components are
connected securely.
^ Make sure that you've selected the correct
component on the receiver.
^ Make sure that you've set the SPEAKERS selector
correctly (see page 23).
Press MUTING on the remote if the MUTING
indicator is lit.
^ 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.
The left and right sounds are unbalanced or
reversed.
Check that the speakers and components are
cormected correctly and securely.
^ Adjust front balance parameter in the LEVEL
menu.
Severe hum or noise is heard.
^ Check that the speakers and components are
connected securely.
^ Check that the connecting cords are away from a
transformer or motor, and at least 10 feet (3 meters)
away from a TV set or fluorescent light.
Move your TV away from the audio components.
^ Make sure you've grounded SIGNAL GND fh
terminal.
^ The plugs and jacks are dirty. Wipe them with a
cloth slightly moistened with alcohol.
No sound is heard from the center speaker.
Make sure the sound field function is on (press
SOUND FIELD-MODE).
Select a sound field containing the word "cinema"
or "virtual" (see page 28~31).
Adjust the speaker volume (see page 19).
Make sure the center speaker size parameter is set
to either SMALL or LARGE (see page 16).
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