Sony STR-DE898 Operating Instructions Manual page 58

There is no sound or only a very low-level
sound is heard from the center/surround/
surround back speakers.
• Select a CINEMA STUDIO EX mode (page 31).
• Adjust the speaker level (page 22).
• Make sure the center/surround speakers size
parameter are set to either "SMALL" or
"LARGE" (pages 19).
• Make sure the surround back speakers selection is
set to either "DUAL" or "SINGLE".
There is no sound from the sub woofer.
• Check that the sub woofer is connected correctly
and securely.
• Make sure the sub woofer selection parameter is
set to "YES" (page 18).
• There is no sound output from the sub woofer
depending on the sound field.
The surround effect cannot be obtained.
• Make sure the sound field function is on (press
MOVIE or MUSIC).
• Sound fields do not function for the signals with a
sampling frequency of more than 48 kHz.
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 with INPUT
SELECTOR.
• Make sure that INPUT MODE is set to
"ANALOG FIXED" (page 36) before recording
from a digital component connected to the analog
MD/TAPE jacks.
• Make sure that INPUT MODE is set to "COAX
FIXED" or "OPT FIXED" (page 36) before
recording from a digital component connected to
the DIGITAL OPTICAL MD/TAPE OUT jack.
GB
58
The FM reception is poor.
• Use a 75-ohm coaxial cable (not supplied) to
connect the receiver to an outdoor FM antenna as
shown below. If you connect the receiver to an
outdoor antenna, ground it against lightning. To
prevent a gas explosion, do not connect the ground
wire to a gas pipe.
Outdoor FM antenna
Receiver
ANTENNA
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).
• No stations have been preset or the preset stations
have been cleared (when tuning by scanning
preset stations). Preset the stations (page 25).
• Press DISPLAY repeatedly so that the frequency
appears in the display.
There is no picture or an unclear picture
appears on the TV screen or monitor.
• Select the appropriate input on the receiver.
• Set your TV to the appropriate input mode.
• Move your TV away from the audio components.
The DIGITAL OPTICAL MD/TAPE OUT jack
flashes red.
• When "AUTO 2CH" is selected for INPUT
MODE, the jack flashes red when no digital audio
signal is input. This depends on the INPUT
MODE function, and is not a malfunction.
AM
Ground wire
(not supplied)
To ground