VOX electronics UHD 43A11U314B, Operating Instructions Manual

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Troubleshooting
If you have any problem, check the couter measures for each symptom listed below. The
following symptoms may have been. caused by inappropriate adjustment rather than actual
malfunction of the unit. If the trouble persists, contact the Customer Care Centre, see back page
for contact details.
Symptoms
Possible solutions
No power
Please check the power cord plugged in and that the power
outlet works.
Unplug the power cord and plug it in after 60 seconds and
restart the TV.
No picture
Please check antenna connection.
Station may be experiencing problems, please tune to
another station.
Please adjust the settings of contrast and brightness.
Good picture but no
sound
Please increase the volume.
Please check TV is under mute mode, press MUTE button
on the remote control.
Please check sound settings
If external devices are being used, check their volumes are
not set too low or turned off.
If using DVI to HDMI cable, a separate audio cable is required.
Make sure a headphone jack is not connected..
No response to remote
control
Batteries of remote control may have exhausted, if
necessary, please change the batteries.
Clean the remote control lens. The distance between
LED TV and remote control should be within 8m, within
recommended operating angle and path is free of obstructions.
Full screen flickering
under VGA
V-HEIGHT value may be set too big, restart computer and
enter safe mode, then set monitor parameters to correct
value according to adjustment description.
Horizontal stripes
under VGA
Sample phase may be deflected, adjust phase according to
picture position.
Colored dots may be
present on the screen
Although the LED screen is made with high-precision
technology and 99.99% or more of the pixels are
effective, black dots may appear or bright points of light
(red, blue, or green) may appear constantly on the LED
screen. This is a structural property of the LED screen
and not a malfunction.
Good sound but abnormal
color or no picture
Please check antenna connection and antenna condition.
If using Component input, please check Component
connections, incorrect or loose connections may cause
colour problems or cause the screen to be blank.
Keep the TV away from noisy electrical sources such as cars,
hair dryers, welders, and all optional equipment.
Electrical atmospheric interference such as local or distant
lightning storms may cause picture to break up.
When installing optional equipment, leave some space
between the optional equipment and the TV.
Check the antenna and connection.
Keep the antenna away from any power or input/output cables.
Picture is breaking up
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