Troubleshooting
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.
Before calling a service technician, please check the following table 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.
‘This le is invalid’ appears or audio is normal
but video is abnormal
. The media le maybe damaged, check if the le
can be played on the PC.
. Check if video and audio codec is supported.
Web page can not be displayed completely
. Flash is not supported.
‘Unsupported audio’ appears or video is normal
but audio is abnormal
. The media le maybe damaged, check if the le
can be played on the PC.
. Check if video and audio codec is supported.
Multimedia Player / Solution
Browser / 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.
Network / Solution
(May not be available)
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 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 snow akes)
1. Check the signal cable and adjust the antenna.
2. Fine tune the channel.
3. Try anther channel.
-10-
Browser is forced to be shut down
. Web page includes too many large pictures, thus
leads to insufficient memory and close the browser.