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Samsung UE49KU6470U Manuale Utente

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08 Troubleshooting and 
Maintenance
Troubleshooting
If the TV seems to have a problem, first review this list of possible problems and solutions. 
Alternatively, review the Troubleshooting Section in the e-Manual. If none of these troubleshooting 
tips apply, please visit “www.samsung.com” and click on Support, or contact the call centre listed 
on the back cover of this manual.
 - This TFT LED panel is made up of sub pixels which require sophisticated technology to produce. 
There may be, however, a few bright or dark pixels on the screen. These pixels will have no 
impact on the performance of the product.
 - To keep your TV in optimum condition, upgrade to the latest software. Use the Update now 
or Auto Update functions on the TV's menu (  >   Settings > Support > Software Update > 
Update now or   >   Settings > Support > Software Update > Auto Update).
The TV won’t turn on.
 •
Make sure that the AC power cord is securely plugged in to the TV and the wall outlet.
 •
Make sure that the wall outlet is working and the power indicator on the TV is lit and glowing a 
solid red.
 •
Try pressing the Power button on the TV to make sure that the problem is not with the remote 
control. If the TV turns on, refer to “Remote control does not work” on the next page.
There is no picture/video/sound or distorted picture/video/sound from 
an external device or “Weak or No Signal” displayed on TV or cannot 
find channel.
 •
Make sure the connection to the device is correct and that all cables are fully inserted.
 •
Remove and reconnect all cables connected to the TV and the external devices. Try new cables 
if possible.
 •
Confirm that the correct input source has been selected (  >   Source).
 •
Perform a TV self diagnosis to determine if the problem is caused by the TV or the device. (  > 
 Settings > Support > Self Diagnosis > Start Picture Test or Start Sound Test).
 •
If the test results are normal, reboot the connected devices by unplugging each device's power 
cord and then plugging it in again. If the issue persists, refer to the connection guide in the user 
manual of the connected device.
 •
If the TV is not connected to a cable or satellite box, run Auto Tuning to search for channels (  
>   Settings > Broadcasting > Auto Tuning).
KU6450_70_XU_BN68-07867Q-00_ENG.indb   21
2016-04-11     2:20:01