Sony STR-DE935 - Manual (Page 49)

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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 23 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
cormected 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 27).
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
Severe hum or noise is heard.
^ Check that the speakers and components are
cormected securely.
Check that the cormecting 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 rh
terminal.
^ The plugs and jacks are dirty. Wipe them with a
cloth slightly moistened with alcohol.
Intermittent sound from a digital source.
Make sure signals with 96 kHz sampling
frequencies are input to the DVD/LD OPT or
COAX jacks.
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