20" LCD TV User's Manual
Problem | Check item |
Remote Control does not work.
Duplicate or "Ghost" channels located during scan.
You cannot see a picture.
The picture has abnormal 
patterns.
You can not hear sound but can see a picture.
Make sure batteries are inserted correctly.
Batteries could be weak.
Use the " CH ADD/ERASE " function to " ERASE " duplicate or unwanted channels from the database of active channels.
Make sure that the power cord is plugged into a grounded electrical outlet.
Make sure that the power button is turned on.
Make sure that the selected input source is connected to a working input source.
Make sure that the video input source is within the range 
of your LCD TV. Compare the video input source's specifications with your LCD TV specifications.
Make sure that the volume is not turned down. Make sure that the sound is not muted.
Make sure that your audio input source cables are connected securely and correctly.
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