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Panel refresh automatically runs after the TV has been used for a long period of time to reduce
image retention. Panel refresh starts after the TV is turned off and takes about one hour to
complete. A white line may be displayed on the screen during the panel refresh. This is not a
malfunction of the TV.
[126] Troubleshooting | Picture (quality)/screen
Panel refresh does not complete. (only models
equipped with an OLED panel)
Panel refresh works when the room temperature is between 10°C (50°F) and 40°C (104°F). If the
room temperature falls outside of this range during the panel refresh, the process does not finish
and a message is displayed. If the message is displayed, check the temperature of the room.
[127] Troubleshooting
Keyboard
You cannot operate the current screen after the on-screen
keyboard is displayed.
To return to operation of the screen behind the on-screen keyboard, press the BACK button on the
remote control.
[128] Troubleshooting
Broadcast reception
Check these things first to troubleshoot your TV reception.
Block noise or an error message appears and you cannot watch broadcasts.
Ghosting or double images appear.
Only snow noise or a black picture appears on the screen.
There is picture or sound noise when viewing an analog TV channel.
Some channels are blank.
Poor reception or poor picture quality with digital broadcasts.
You cannot view digital channels.
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