Sony DAV-DZ770W, Руководство по эксплуатации

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this case, return the setting to interlace format (the
default setting) (page 27).
• Even if your TV is compatible with progressive
format (525p/625p) signals, the image may be
affected when you set progressive format. In this
case, return the setting to interlace format (the
default setting) (page 27).
Picture noise appears.
• The disc is dirty or flawed.
• If the picture output from your system goes
through your VCR to get to your TV, the copy-
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 26, 31).
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.
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 87).
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 15, 87).
• Set the sound field to “AUTO FORMAT DIRECT
AUTO” (page 66).
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 64).
• 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 66)
.
• Check the speaker connections and settings (page
15, 87).
• 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 66) .
• 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 66) .
• Depending on the source, the effect of the
surround speakers may be less noticeable.
• Wireless setting of the surround speaker is not
correct (page 34).
• The plasma display may interfere with
transmission, in which case, adjust the position of
the IR transmitter and IR receiver (page 34).
• Do not install the IR receiver in a place exposed to
direct sunlight or strong light such as an
incandescent lamp.
• Clean the surface of the IR transmitter and IR
receiver.
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.