Sony DAV-DX255 Home Theater System User Manual


 
Additional Information
81
GB
protection signal applied to some DVD programs
could affect picture quality. If you still experience
problems even when you connect your system
directly to your TV, try connecting your system to
your TV’s S video input (page 24).
Even though you set the aspect ratio in [TV
TYPE] of [SCREEN SETUP], the picture does
not fill the screen.
The aspect ratio on the disc is fixed.
Color irregularity occurs on the TV screen.
The subwoofer and the front speakers in this system
are magnetically shielded to prevent magnetic
leakage. However, some leakage may occur, as a
high-strength magnet is employed. If this happens,
check the following items:
If the speakers are used with a CRT-based TV or
projector, install the speakers at least 0.3 m (1.0 ft)
from the TV set.
If the color irregularity persists, turn off the TV set
once, then turn it on after 15 to 30 minutes.
If howling occurs, reposition the speakers farther
away from the TV set.
Make sure that no magnetic object (magnetic latch
on a TV stand, health care device, toy, etc.) is
placed near the speakers.
Sound
There is no sound.
The speaker cord is not connected securely.
Press MUTING on the remote if “MUTING ON”
is displayed in the front panel display.
The system is in pause mode or in Slow-motion
Play mode. Press H to return to normal play
mode.
Fast forward or fast reverse is performed. Press
H to return to normal play mode.
Check the speaker settings (page 75).
The left and right sounds are unbalanced or
reversed.
Check that the speakers and components are
connected correctly and securely.
There is no sound from the subwoofer.
Check the speaker connections and settings (page
13, 75).
Set the sound field to “A.F.D. STD” (page 33).
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 3 meters (10 ft)
away from your TV set or a fluorescent light.
Move your TV away from the audio components.
The plugs and jacks are dirty. Wipe them with a
cloth slightly moistened with alcohol.
Clean the disc.
The sound loses stereo effect when you play a
VIDEO CD, a CD, or an MP3.
Set [AUDIO] to [STEREO] by pressing AUDIO
(page 42).
Make sure the system is connected properly.
The surround effect is difficult to hear when
you are playing a Dolby Digital, DTS, or MPEG
audio sound track.
Make sure the sound field function is on (page 33).
Check the speaker connections and settings (page
13, 75).
Depending on the DVD, the output signal may not
be the entire 5.1 channel. It may be monaural or
stereo even if the sound track is recorded in Dolby
Digital or MPEG audio format.
The sound comes from the center speaker
only.
Depending on the disc, the sound may come from
the center speaker only.
No sound is heard from the center speaker.
Check the speaker connections and settings.
Make sure the sound field function is on (page 33).
Depending on the source, the effect of the center
speaker may be less noticeable.
No sound or only a very low-level sound is
heard from the surround speakers.
Check the speaker connections and settings.
Make sure the sound field function is on (page 33).
Depending on the source, the effect of the
surround speakers may be less noticeable.
There is no sound from the speakers that are
indicated in the front panel display.
The front panel display indicates the selected
[SPEAKER FORMATION]. It does not indicate
the speakers which output sound (page 33, 66).
Operation
Radio stations cannot be tuned in.
Check that the antenna (aerial) is connected
securely. Adjust the antenna (aerial) or connect an
external antenna (aerial) if necessary.
The signal strength of the stations is too weak
(when tuning in with automatic tuning). Use direct
tuning.
No stations have been preset or the preset stations
have been cleared (when tuning by scanning
continued