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.
Troubleshooting PC Connection Issues
Troubleshooting PC Connection Issues
Run Home Dashboard by pressing the button on the remote control. Select
Edit Inputs in the upper right corner. In the Edit mode, set the icon of the HDMI terminal
connected to the PC to PC to apply the video and aspect ratio settings that are aligned
with the PC.
