Sony STR-DE915 - Manual (Page 31)

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
(see page 8).
^ Press MUTING on the remote if "MUTING" is shown
in the display.
^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 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 ih SIGNAL
GND 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 a DOLBY (STR-DE915 only), PRO LOGIC (STR-
DE715/DE615/D660Z/D560Z only), or MOVIE (except
MONO MOVIE) sound field (see page 22).
^ Select the appropriate speaker type and the location of
the rear speakers (STR-DE915 only) or center mode
(STR-DE715/DE615/D660Z/D560Z only) (see pages 19
and 21).
■►Adjust the speaker volume appropriately (see pages 20
and 21).
A component cannot be selected.
^Check the FUNCTION HOOKUP (STR-DE915/DE715/
' D660Z only) or FUNC HOOK UP (STR-DE615 / D560Z
only) setting of the component (see page 14).
Recording cannot be made.
^Check that the components are connected correctly.
^Select the source component with the VIDEO/AUDIO
FUNCTION buttons.
^ You cannot record audio from a program source
connected to the LD/DVD IN AC-3 RF/OPTICAL or
LD/DVD jack (STR-DE915 only) or 5.1 INPUT jacks
(STR-DE715/DE615/D660Z/D560Z only).
No sound or only a very low-level sound is heard from
the rear speakers.
^Select the appropriate size of the rear speakers (STR-
DE915 only) or center mode (STR-DE715/DE615/
D660Z/D560Z only) (see pages 19 and 21).
^Adjust the speaker volume appropriately (see pages 20
and 21).
^Make sure you turned on the sound field function.
Radio stations cannot be tuned in.
^ Check that the antennas are connected securely.
Adjust the antennas and connect an external 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 15 and 33).
^ No stations have been preset or the preset stations have
been cleared (when you tune in with scanning preset
stations). Preset the stations (see page 16).
^ Press DISPLAY so that the frequency appears in the
display.
Surround effect cannot be obtained.
^Tum on the sound field function.
^ Make sure that the SPEAKERS selector is set to A or B
when you use two sets of front speakers.
No picture or an unclear picture appears on the TV
screen or on the monitor.
—►Select the appropriate function on the receiver.
^Set your TV to the appropriate input mode (press TV /
VIDEO on the remote for Sony TVs).
^Place your TV away from the audio components.
The remote does not function.
^ Point the remote at the remote sensor ■ 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.
■► Pressing TV CONTROL ON sets the remote to operate
the TV only. In this case, press one of the SYSTEM
CONTROL / FUNCTION buttons before operating the
receiver (etc.).
^ Press POWER on the main unit to turn on the receiver
and check the FUNCTION HOOKUP (FUNC HOOK
UP) setting of the component you want to use. If the
component is set to NO (-N-), the receiver and the
component will not turn on when you press respective
SYSTEM CONTROL/FUNCTION button.
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