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47
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If you experience any of the following
difficulties while using the receiver, use this
troubleshooting guide to help you remedy the
problem. Should any problem persist, consult
your nearest Sony dealer.
There is no sound no matter which component
is selected.
• Check that both the receiver and all components
are turned on.
• Check that the MASTER VOLUME –/+ control is
not set at –∞ dB.
• Check that the SPEAKERS is not set to off
(page 43).
• Check that all speaker cords are connected
correctly.
• 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 input jacks for that component.
• Check that the cord(s) used for the connection is
(are) fully inserted into the jacks on both the
receiver and the component.
There is no sound from one of the front
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 component 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 component. 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.
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 is not set to off
(page 43).
• Check that the headphones are not connected.
• Press MUTING on the remote 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.
There is no sound from analog 2 channel
sources.
• Check that the INPUT MODE is not set to “COAX
IN” nor “OPT IN” (page 36).
• Check that the MULTI CH IN function is selected.
There is no sound from digital sources (from
COAXIAL or OPTICAL input jack).
• Check that the INPUT MODE is not set to
“ANALOG” (page 36). Check that the INPUT
MODE is not set to “COAX IN” for the sources from
OPTICAL input jack, nor set to “OPT IN” for the
sources from COAXIAL input jack.
• Check that the MULTI CH IN function is selected.
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
A.F.D., MOVIE or MUSIC).
• Select the CINEMA STUDIO EX mode
(page 32).
• Adjust the speaker level (page 23).
• Make sure the center speaker is set to either
“SMALL” or “LARGE” (page 20).
There is no sound from the surround back
speakers.
• Some discs have no Dolby Digital EX flag even
though the packages have Dolby Digital EX
logos. In this case, select “SB MTRX” (page 39).
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
A.F.D., MOVIE or MUSIC).
• Select a CINEMA STUDIO EX mode (page 32).
Troubleshooting
continued