Troubleshooting Screen Issues
If you experience any of the problems below while using the product, please check the following:
There may be no problem with the product.
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 coaxial cable 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 programmes.
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Auto Tuning.
If you are using a set-top box, consult its supplier.
The screen shakes after the momentary appearance of vertical/horizontal lines and net pattern.
Connect wireless telephones, hairdryers, electrical drills, etc. to a different power outlet. The problem
may be caused by high-frequency electronic devices such as another TV or strong electro-magnetic
sources nearby.
Each programme has a different image quality.
Depending on the type of videos provided by the broadcasters, programmes may have different image
qualities.
If you are using a set-top box, consult its supplier.
There is a difference in image quality from those seen at the store.
Depending on the type of video provided by the broadcasters, there may be a difference in image
quality from those displayed at the store.
I cannot turn the TV on with the remote control.
Please make sure your TV power plug is correctly connected to the outlet.
Replace the batteries in the remote control. (Use alkaline batteries.)
Check if there is an obstacle blocking the signal in front of the TV's remote control receiver. If there is an
obstacle, such as a soundbar, in front of the receiver at the bottom of the TV, IR recognition may not
work properly.
The power turns off suddenly.
Check whether the Power Off Timer, No Signal Auto Off or No Operation Auto Off is set.
The TV will be turned off automatically if you do not press any buttons for 4 hours even after the TV is
turned on at the time set by Reminder or Power On Timer.
There is also a chance that the internal protection circuitry has activated because the internal temperature
of the product has risen unusually or excessively
Troubleshooting Screen Issues
TROUBLESHOOTING
