Sony STR-KS2300 - Manual (Page 67)

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Troubleshooting
If you experience any of the following
difficulties while using the receiver, use this
troubleshooting guide to help you remedy the
problem.
Audio
There is no sound, no matter which
component is selected, or only a very
low-level sound is heard.
• Check that the speakers and components
are connected securely.
• Check that both the receiver and all
components are turned on.
• Check that MASTER VOLUME is not set
to “VOL MIN”.
• Press MUTING to cancel the muting
function.
• Check that you have selected the correct
component with the input buttons.
• The protective device on the receiver has
been activated. Turn off the receiver,
eliminate the short-circuit problem, and
turn on the power again.
• Check that the IN MODE setting is
correct.
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.
• Make sure you have connected to both the
L and R jacks of an analog component, and
not only to either the L or R jack. Use an
audio cord (not supplied).
There is no sound from digital sources
(from COAXIAL or OPTICAL input jack).
• Check that the IN MODE is set to
“AUTO”.
The left and right sounds are
unbalanced or reversed.
• Check that the speakers and components
are connected correctly and securely.
• Adjust the balance parameters using the
LEVEL menu (page 39).
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 (10 feet) away from a TV set or
fluorescent light.
• Move your audio components away from
the TV.
• The plugs and jacks are dirty. Wipe them
with a cloth slightly moistened with
alcohol.
There is pop noise from a specific
component connected to this receiver
when you turn on the component.
• Check that the IN MODE is set to
“AUTO” for the selected input (page 60).
There is no sound, or only a very low-
level sound is heard from the center/
surround speakers.
• Select a CINEMA STUDIO EX mode
(page 47).
• Adjust the speaker level (page 30).
• Check that the speakers are connected
securely.
continued