Sony STR-DE975 Operating Instructions Manual page 56

Troubleshooting
No sound or only a very low-level sound is heard
from the surround speakers.
, Make sure the sound field function is on (press
SOUND FIELD MODE).
, Select the appropriate center mode (see pages
31 – 33).
, Adjust the speaker volume (see page 23).
, Make sure the surround speaker size parameter is
set to either SMALL or LARGE (see page 20).
No sound is heard from the sub woofer.
, Make sure the sub woofer is set to YES (see page
20).
, Check that 2CH mode has not been selected (see
page 33).
Dolby Digital or DTS multi channel sound is not
reproduced.
, Check that the playing DVD, etc. is recorded in
Dolby Digital or DTS format.
, When connecting the DVD player, etc. to the
digital input jacks of this receiver, check the audio
setting (settings for the audio output) of the
connected component.
Recording cannot be done.
, Check that the components are connected correctly.
, Select the source component by rotating
FUNCTION control.
, When recording from a digital component, make
sure the input mode is set to ANALOG 2CH
FIXED (see page 27) before recording with a
component connected to the analog MD/DAT or
TAPE terminals (STR-DE975) or the analog MD/
TAPE terminals (STR-DE875).
, When recording from a digital component, make
sure the input mode is set to COAXIAL FIXED or
OPTICAL FIXED (see page 27) before recording
with the component connected to the DIGITAL
MD/DAT OUT terminals (STR-DE975) or the
DIGITAL MD/TAPE OUT terminals (STR-DE875).
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 tuning in with automatic tuning). Use direct
tuning.
, Make sure you set the tuning interval correctly
(when tuning in AM stations with direct tuning)
(see pages 46 and 58).
, No stations have been preset or the preset stations
have been cleared (when tuning by scanning preset
stations). Preset the stations (see page 47).
, Press DISPLAY so that the frequency appears in
the display.
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The surround effect cannot be obtained.
, Make sure the sound field function is on (press
SOUND FIELD MODE).
Nothing appears on the display.
, When the display turns off after the receiver is
turned on, press DIMMER to change the display
mode.
No picture or an unclear picture appears on the
TV screen or monitor.
, Select the appropriate function on the receiver.
, Set your TV to the appropriate input mode.
, Move your TV away from the audio components.
The remote does not function.
, Point the remote at the remote sensor g on the
receiver.
, Remove any obstacles in the path between 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.
, If the remote is set to operate the TV only, use the
remote to select a source or component other than
TV before operating the receiver or other
component.
Reference sections for clearing the
receiver's memory
To clear
All memorized settings
Customized sound fields
See
page 18
page 38