Sony STR-D665 - Manual (Page 15)

Troubleshooting
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's no sound or only a very low-level sound is heard.
Check that the speakers and components are
connected securely.
Make sure you select the correct component on
the receiver.
Make sure you set the SPEAKERS selector
correctly.
Press MUTING if the MUTING indicator turns
on.
The protective device on the receiver has been
activated because of a short circuit.
("PROTECT" flashes.) Turn off the receiver,
elirrunate 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
connected correctly and securely.
Adjust the BALANCE control.
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.
Place your TV away from the audio
components.
Make sure you connect a ground wire to the
antenna ground terminal.
The plugs and jacks are dirty. Wipe them with a
cloth slightly moistened with alcohol.
No sound is heard from the center speaker.
Select the appropriate center mode (see page
14).
Adjust the speaker volume appropriately (see
page 14).
Additional information
I
No sound or only a very low-level sound is heard from the
rear speakers.
^ Select the appropriate center mode (see page
14).
Adjust the speaker volume appropriately (see
page 14).
^ Make sure you turn on the sound field
surround mode function.
Radio stations cannot be tuned in.
^ Check that the antennas are cormected securely.
Adjust the antennas and cormect an outdoor
antenna if necessary.
^ The signal strength of the stations is too weak
(when you tune in with automatic tuning). Use
direct tuning.
^ Make sure you set the tuning interval correctly
(when you tune in AM stations with automatic
tuning) (see pages 11 and 16).
^ No stations have been preset or the preset
stations have been cleared (when you time in
with scanning preset stations). Preset the
stations (see page 11).
Surround effect cannot be obtained.
Make sure you turn on the sound field function.
^ Make sure that SPEAKERS A and B buttons are
depressed when two sets of front speakers are
used.
No picture or an unclear picture is seen on the TV screen.
^ Select the appropriate function on the receiver.
Place your TV away from the audio
components.
Recording cannot be made.
Check that the components are connected
correctly.
The remote does not function.
^ Point the remote at the remote sensor H on the
receiver.
Remove the obstacles in the path of the remote
and the receiver.
^ Replace both batteries in the remote with new
ones if they are weak.
^ Make sure you select the correct function on the
remote.
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