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12
ENG
TROUBLESHOOTING
Before calling a service technician, review following information for possible causes and solutions for
the problem you are experiencing.
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.
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 bad contact with the outlet.
• Check the signal.
No sound, picture OK • If no sound, do not mute or increase the sound volume.
• Open the sound menu and adjust ‘Balance’.
• Check if a headphone has been inserted in, if so, pull out
the headphone.
Abnormal picture For no color or bad picture quality, you may:
1. Adjust the color option in menu settings.
2. Keep the TV at a sufficient distance from other electronic
products.
3. Try another channel, maybe exit broadcasting
signal problem.
Bad TV signal (Display mosaic or snowflakes)
1. Check the signal cable and adjust the antenna.
2. Fine tune the channel.
3. Try anther channel.
‘This file is invalid’ appears or
audio is normal but video is
abnormal
• The media file maybe damaged, check if the file can be
played on the PC.
• Check if video and audio codec is supported.
‘Unsupported audio’ appears
or video is normal but audio is
abnormal
• The media file maybe damaged, check if the file can be
played on the PC.
• Check if video and audio codec is supported.
Network failure
(May not be available)
• 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.
Web page can not be displayed
completely (May not be available)
Flash is not supported.
Browser is forced to be shut down
(May not be available)
Web page include too many large pictures, thus lead to
sufficient memory and close the browser.
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