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18 Series LCD TV
PAGE 20
Before calling a technician, please check the following items to see if the below mentioned
symptoms can be diagnosed and fixed.
Symptoms Possible Reasons Correction
No picture, no
sound, and no
indicator light on
1.The power cord is not plugged in
2.The power is off
1.Plug the power cord in
2.Turn the power on
No picture, no
sound, but the
green light
indicator
1.Contrast, sharpness, color and
volume are all in the minimum value
or TV is in mute mode
2.PC has no signal in PC mode
3.The signal cord is not correctly
connected
1.Alter the value of contrast,
sharpness, color and volume
2.Press any button or input PC signal
3.Connect the signal cord correctly
Picture and sound
with abnormity
1.Contrast, sharpness, and color are
set improperly
2.Color system is set improperly
3.Sound system is set improperly
1.Adjust the value of Contrast,
sharpness, and color
2.Set the Color system to the country
broadcasting standard
3.Set the Sound system to the country
broadcasting standard
Picture is spotted
or with snow
Signal source is low-grade or the signal
cord is in a lower quality
Use the qualified signal cord
Blue background
in AV mode
No Video signal or the signal cord is
improperly/not connected
Connect the signal cord properly
Picture is unclear,
or moves or have
black stripes on
horizontal position
in PC mode
PC Picture is not in
the middle of the
screen
Picture is not well adjusted
Adjust automatically by selecting Auto
Adjust or adjust Clock、 Phase、H
Position 、V Position manually after
entering into the PC Setting menu to
solve this problem
No sound
No Audio signal or the signal cord is
improperly/not connected
1.Connect the audio signal cord
properly
2.Set the sound system properly
The remote control
does not work
Batteries are improperly installed or
exhausted
1.Make sure the positive and the
negative polarities are correct.
2.Check if there is a loose contact
between the batteries and the
springs
3.Replace the batteries
Colors of PC
Picture on display
are improper
The user made the wrong Color Temp
adjustment
Readjust the Color Temperature
TROUBLESHOOTING