06 Troubleshooting and Maintenance
Troubleshooting
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• Update NowAuto update
> Settings > Support > Software Update > Update NowAuto update
The TV won’t turn on.
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There is no picture/video/sound, or a distorted picture/video/sound from an external device, or
“Weak or No Signal” is displayed on the TV, or you cannot nd a channel.
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> Source
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> Settings >
Support > Self Diagnosis > Start Picture TestStart Sound Test
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• Auto Tuning
> Settings >
Broadcasting > Auto Tuning Settings > Auto Tuning
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