Sony HT-DDW685 - Manual (Page 58)

58 GB
There is severe hum, interrupted noise
or distortion from component
connected to the VIDEO 1 IN/
PORTABLE AUDIO IN/AUTO CAL MIC
jack on the front panel of this receiver.
• Check that the components are connected
securely.
• Check that the cord used for the
connection is fully inserted into the jacks
on both the receiver and the component.
• This is not a malfunction and will depend
on the connected component.
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 43).
• Adjust the speaker level (page 26).
There is no sound from the sub woofer.
• Check that the sub woofer is connected
correctly and securely.
The surround effect cannot be
obtained.
• Make sure the sound field function is on
(press MOVIE, or MUSIC).
• Sound fields do not function for signals
with a sampling frequency of more than
48 kHz.
Dolby Digital or DTS Multi Channel
sound is not reproduced.
• Check that the DVD, etc. you are playing
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.
Tuner
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.
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 48).
• Press DISPLAY repeatedly on the receiver
so that the frequency appears on the
display.
RDS does not work.*
• Make sure that you are tuned to an FM
RDS station.
• Select a stronger FM station.
ANTENNA
AM
Receiver
To ground
Ground wire
(not supplied)
Outdoor FM antenna