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Take steps described in the tables below to solve simple problems before contacting
customer service.
If you suspect something wrong with this unit, immediately turn the power off and
disconnect the power connector from the unit. Never try to repair the unit yourself
because it is dangerous to do so.
PROBLEM
There is no sound
There is no picture.
Other possibilities:
Static or other external interference may cause the unit to function abnormally. In order to
recover normal status, please unplug the power supply cord and then plug it into the outlet
again to reset the unit. If the problems still exist, please cut off the power supply and consult
your service center or a qualified technician.
All manuals and user guides at all-guides.com
POSSIBLE CAUSE
The volume may be turned
down.
The brightness may be
turned down.
19
Troubleshooting
POSSIBLE SOLUTION
Turn up the volume.
Adjust the brightness of the
LCD.
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