correctly connected. (
AV IN
port is available in certain models only.)
The TV sound is not synchronized with the picture, or the sound sometimes breaks
up.
If this happens on only some of the programmes, it may be caused by the broadcasting
company’s transmission signal. Please have your broadcasting services provider
(wired/cable) diagnose the problem.
If all programmes are out of sync, go to
Sound
Advanced Settings
Match Screen and Sound
and adjust the sync.
If you are using a set-top box, consult its supplier.
The volume changes when I change the programme.
The volume of different broadcasting stations’ transmission output may vary.
Sound
Advanced Settings
Automatic Volume Adjustment
Set
Automatic Volume Adjustment
to
On
.
If you are using a set-top box, consult its supplier.
The volume keeps changing.
Sound
Advanced Settings
Automatic Volume Adjustment
Set
Automatic Volume Adjustment
to
On
.
General
AI Service
AI Sound
/
AI Sound Pro
Switch
AI Sound
or
AI Sound Pro
to
Off
.
The sound does not work or only the background music is played in some
programmes.
(Programmes produced for export by broadcasting companies)
Set your language preference in
Audio Language
.
If your remote control does not have a
button, press and hold the
button.
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