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LG 55UP77 Manual

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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 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.
Troubleshooting PC Connection Issues
Press and hold the button on your remote control. Select Edit Edit Inputs in
the upper right corner of Home Dashboard. 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.
If you experience any of the problems below while using the product, please check the
following: There may be no problem with the product.
The screen remains blank after it is connected to a PC.
Check that the PC is properly connected to the TV.
Turn the TV off and back on using the remote control.
Restart the PC with the TV on.
Make sure that the output resolution set on the PC is set to the HDMI-PC supported
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Others manual(s) of LG 55UP77

LG 55UP77 User Manual - German - 137 pages

LG 55UP77 User Manual - Dutch - 133 pages

LG 55UP77 User Manual - French - 136 pages


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