Sony BDV-NF7220 Operating Instructions Manual page 58

Sony bdv-nf7220 blu-ray disc/ dvd home theatre system
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The Super Audio CD sound of an
equipment that is connected to the
HDMI (IN 1) or HDMI (IN 2) jack is not
output.
t HDMI (IN 1) and HDMI (IN 2) does not
accept an audio format that
contains copy protection. Connect
the analog audio output of the
equipment to the AUDIO IN (L/R)
jacks of the main unit.
There is no sound from the TV via the
HDMI (OUT) jack when using the Audio
Return Channel function.
t Set [Control for HDMI] in [HDMI
Settings] of [System Settings] to
[On] (page 50). Also, set [Audio
Return Channel] in [HDMI Settings]
of [System Settings] to [Auto]
(page 50).
t Make sure that your TV is
compatible with the Audio Return
Channel function.
t Make sure that an HDMI cable is
connected to a jack on your TV that
is compatible with the Audio Return
Channel function.
The system does not output sound of
TV programs correctly when connected
to a set-top box.
t Set [Audio Return Channel] in [HDMI
Settings] of [System Settings] to
[Off] (page 50).
t Check the connections (page 19).
Severe hum or noise is heard.
t Move your audio equipment away
from the TV.
t Clean the disc.
The sound loses stereo effect when
you play a CD.
t Select stereo sound by pressing
AUDIO (page 37).
58
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Distortion occurs in the sound of a
connected equipment.
t Reduce the input level for the
connected equipment by setting
[Attenuation settings - AUDIO]
(page 48).
A sudden loud music is heard.
t The built-in or USB sound
demonstration is activated. Press
2
– to reduce the volume or press
x to stop the demonstration.
Tuner
Radio stations cannot be tuned in.
t Check that the antenna (aerial) is
connected securely. Adjust the
antenna (aerial) or connect an
external antenna (aerial) if
necessary.
t The signal strength of the stations is
too weak (when tuning in with
automatic tuning). Use manual
tuning.
Playback
The disc does not play.
t The region code on the BD/DVD
does not match the system.
t Moisture has condensed inside the
main unit and may cause damage
to the lenses. Remove the disc and
leave the main unit turned on for
about half an hour.
t The system cannot play a recorded
disc that is not correctly finalized
(page 61).
File names are not displayed correctly.
t The system can only display ISO
8859-1 compliant character
formats. Other character formats
may be displayed differently.
t Depending on the writing software
used, the input characters may be
displayed differently.

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