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When you meet the following common problems, you might diagnose and get the solutions without contacting
with the technicians.
Symptoms
Possible Reason
Solutions
No picture, no sound, and no
indicator light on
1.The powe r cord is not plugged in
2.The powe r is off
1.Plug the powe r cord in
2.Turn the power on
Picture and sound with abnorm
ali
ty
1.Contrast, sharpness, and color temp
are set improperly
2.Color system is set improperly
3.Sound s yst em is set improperly
1.Adjust the value of Contrast,
sharpness, and color temp
2.Set the Color system to the
country broadcasting standard
3.Set the Sound s ystem to the
country broadcasting standard
Picture is spotted or with snow
Signal source is low-grade or the signal
cord is in a lowe r quality
Use the qualified signal cord
Contrast, brightness, color and
volume are all in the minimum value
or TV is in mute mode.
Adjust the value of contrast,
brightness, color and volume
No picture, no sound and
indicator light is green
The signal cable is not correctly
connected.
Connect the signal cable
correctly
Blue screen, AV or SVIDEO is
displayed
There is no signal input or the video
cable is not connected or incorrectly
connected
Connect the video cable
correctly
Picture is unclear or shaking or
with black horizontal strips (in
VGA mode)
VGA picture is not centered
VGA picture is not correctly adjusted.
Enter into “Display” menu,
select “Auto Adjust” item to
perform automatic calibration
and adjust “Phase” to solve the
problem
No sound
There is no audio signal input or audio
cable is not connected correctly
Connect the audio cable
correctly
VGA picture display with
improper color
The color temp is adjusted incorrectly
by user
Readjust the color temp, or
select the original color setting
HDMI source, with snow pixel of
full screen
The source ge nerate is not standard
Plug the HDMI cable again
1.Make sure the positive and the
negative polarities are corr ect.
2.Check if ther e is a loose contact
between the batteries and the
springs
exhausted
The remote control does not work
3.Replace the batteries
No sound or loud noise i n TV
source
The TV signal is not standard or too
weak
Change the sound system in the
Tune menu
Picture color is abnormal
Color system is setup incorrectly
Change the color system in the
Tune menu
T
roubleshooting for Simple Failures
If you expect to leave your TV dormant for a long time(such as a vacation), it
's
a good idea to unplug the
power cord to protect against possible damage from lightning or power surges.
18
Batteries are improperly inst alled
or