
Troubleshooting Screen Issues
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 channels.
Start the
→
→
Channels
→
Channel Tuning
→
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.
A digitally broadcasted programme stops or its screen is broken.
This happens when a signal is weak or reception is unstable. Adjust the antenna direction or check the
cable connection.
→
→
Channels
→
Channel Tuning
→
Manual Tuning
If the signal strength is too low in
Manual Tuning
, contact the broadcasting station or management office
to have the signals checked.
117
Troubleshooting