11
TROUBLESHOOTING
Before calling a service technician, please check the following for a possible cause of the symptom and
some solutions.
General Problem/Solution
Remote control does not work
Check the remote sensor on the remote control.
Change the batteries.
Batteries are not installed correctly.
Main power is not connected.
Poor Signal
This is usually caused by interference from cell phones, walkie-talkie, automotive ignition system, neon,
electric drill or other electronic equipment or radio interference sources.
Picture & Sound/Solution
No picture, no sound
Check the signal source.
Plug another electrical device into the outlet to make sure it is working or turned on.
Power Plug is improperly connected to the outlet.
Check the signal.
No sound, picture 0K
If there is no sound, try to unmute or increase the sound volume.
Open the sound menu and adjust ‘Balance’.
Check if a headphone has been inserted in, and if so, disconnect the headphone.
Abnormal picture
No color or bad picture quality
Adjust the color option in menu settings.
Keep the TV at a sufficient distance from other electronic products.
Try another channel, maybe it is an exit broadcasting signal problem.
Bad TV signal (Display mosaic or snowflakes)
Check the signal cable and adjust the antenna.
Fine tune the channel.
Try another channel.
Multimedia Player/Solution
‘This file is invalid’ appears or audio is normal but video is abnormal
The media file may be damaged, check if the file can be played on the PC.
Check if video and audio codecs are supported.
‘Unsupported audio’ appears or video is normal but audio is abnormal
The media file may be damaged, check if the file can be played on the PC.
Check if video and audio codecs are supported.
Network/ Solution (May not be available)
Network failure
Check if the router works well.
For models needing USB dongle to connect to internet, check if the USB dongle is inserted well.
Make sure the TV has connected to the router successfully.
Browser/Solution (May not be available)
Web page cannot be displayed completely
.
Some third-party extensions are not supported.
Browser is forced to be shut down.
Web page includes too many large pictures, this leading to insufficient memory and closing the
browser.
