Sony HT-IV300 Operating Instructions Manual page 58

Color irregularity occurs on the TV
screen.
t If the speakers are used with a CRT-
based TV or projector, install the
speakers at least 0.3 meters from the
TV set.
t If the color irregularity persists, turn
off the TV set once, then turn it on after
15 to 30 minutes.
t 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.
t The speaker cords are not connected
securely.
t Check the speaker settings (page 47).
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 53). Also, set [Audio Return
Channel] in [HDMI Settings] of
[System Settings] to [Auto] (page 53).
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 cable television tuner.
t Set [Audio Return Channel] in [HDMI
Settings] of [System Settings] to [Off]
(page 53).
t Check the connections (page 29).
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Severe noise is heard.
t Move your audio equipment away
from the TV.
t Clean the disc on the connected
device.
The sound outputs from the center
speaker only.
t Depending on the media, the sound
may output from the center speaker
only.
No sound or only a very low-level
sound is heard from the surround
speakers.
t Check the speaker connections and
settings (pages 27, 47).
t Check the sound field setting
(page 33).
t Depending on the source, the effect of
the surround speakers may be less
noticeable.
t Set [Sound Field] to [ClearAudio+]
(page 33).
Distortion occurs in the sound of a
connected equipment.
t Reduce the input level for the
connected equipment by setting
[Attenuation settings - AUDIO]
(page 52).
A sudden loud music is heard.
t The built-in sound demonstration is
activated. Press
volume or press x to stop the
demonstration.
2
– to reduce the