Sony DAV-FX900W Operating Instructions Manual page 89

There is no sound from the subwoofer.
• Check the speaker connections and settings (page
16, 83).
• Set the sound field to "A.F.D. STD
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 48).
• 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
• Check the speaker connections and settings (page
16, 83).
• 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
• 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
• Depending on the source, the effect of the
surround speakers may be less noticeable.
• Wireless setting of the surround speaker is not
correct (page 23).
• The plasma display may interfere with
transmission, in which case, adjust the position of
the IR transmitter and IR receiver of the surround
speaker (L) (page 23).
• Do not install the surround speaker (L) in a place
exposed to direct sunlight or strong light such as
an incandescent lamp.
• Clean the surface of the IR transmitter and IR
" (page 37).
receiver of the surround speaker (L).
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 37, 74).
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
preset stations). Preset the stations (page 61).
• Press DISPLAY so that the frequency appears in
the front panel display.
.
(page 37)
The remote does not function.
• There are obstacles between the remote and the
system.
• The distance between the remote and the system is
too far.
• The remote is not pointed at the remote sensor on
the system.
• The batteries in the remote are weak.
The POWER/ON LINE indicator momentarily
turns red.
• The indicator momentarily turns red. This is not a
malfunction.
.
(page 37)
The POWER/ON LINE indicator flashes in red.
• Move the wireless system away from any other
nearby wireless system(s).
• Point the IR transmitter at the IR receiver of the
surround speaker (L).
The disc does not play.
.
(page 37)
• There is no disc inserted.
• The disc is upside down.
Insert the disc with the playback side facing down.
• The system cannot play CD-ROMs, etc. (page 6).
• The region code on the DVD does not match the
system.
• Moisture has condensed inside the system and
may cause damage to the lenses. Remove the disc
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