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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
Match Screen and Sound
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
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
General
Switch
AI Sound
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
Troubleshooting PC Connection Issues
Troubleshooting PC Connection Issues
Run
Home Dashboard
Edit Inputs
in the upper right corner. In the Edit mode, set the icon of the HDMI terminal
connected to the PC to
with the PC.
If you experience any of the problems below while using the product, please check the
and adjust the sync.
AI Service
AI Sound
or
AI Sound Pro
to
by pressing the
PC
to apply the video and aspect ratio settings that are aligned
Sound Advanced Settings
to
On
.
to
On
.
AI Sound Pro
/
Off
.
Audio Language
.
button on the remote control. Select
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