Owner's Manual

If you are using a set-top box, the TV may be set to turn off when the set-top box is
turned off. To prevent the TV from turning off when you turn off the set-top box, switch
the TV power sync function off on the set-top box.
I cannot turn on or operate the device with the TV remote control even after setting
the universal remote control.
Make sure that the device's power plug is plugged into the outlet.
Replace the batteries in the remote control. (Use alkaline batteries.)
Check if there are any obstacles blocking the signal in front of the connected device’s
remote control receiver.
Troubleshooting Screen Issues
Troubleshooting Screen Issues
If you experience any of the problems below while using the product, please check the
following. There may not be a problem with the product.
First of all, perform a
General OLED Care Device Self Care Screen
Self-diagnosis to check for any abnormalities in the TV.
If you are using a set-top box, turn it off, and then turn it back on.
Make sure that the set-top box is correctly connected to your TV.
It says there is no signal on the screen.
Check whether the antenna or the cable connected to the external device is properly
connected to the TV.
Go to
to choose the connected input.
Check if your external device, such as set-top box or Blu-ray player, is turned on.
I cannot see some channels.
Launch
General Channels Channel Tuning Auto Tuning.
If you are using a set-top box, consult its supplier.
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