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Troubleshooting
Before calling a technician, please check the following items to see whether you can easily diagnose and fix
the encountered symptoms on your own.
Symptoms
No picture, no sound,
and no indicator light
Picture and sound
with abnormity
Picture is spotted or
with snow
Blue background
PC Picture is not in
the middle of the
screen
No sound
The RC does not
work
Possible Cause
The power cord is not plugged in.
Contrast, sharpness, color and volume are
all in the minimum value or TV is in mute
mode.
Contrast and color are set improperly.
Color system is set improperly.
Sound system is set improperly.
Signal source is low-grade or the signal is
in a lower quality.
No Video signal or the signal cord is im-
properly/not connected.
Picture is not well adjusted.
No Audio signal or the signal cord is im-
properly/not connected.
Batteries are improperly installed or ex-
hausted.
Plug the power cord in.
Alter the value of contrast, sharpness,
color and volume.
Set the value of Contrast, sharpness,
and color properly.
Select AUTO for Color system.
Set the sound system properly.
Use the qualified signal cord.
Connect the signal cord properly.
Press the CH+/CH- buttons at one
time to adjust it.
Adjust H/V- position manually to ad-
just it.
Connect the audio signal cord prop-
erly.
Set the sound system properly.
Make sure the positive and the nega-
tive polarities are correct.
Reattach the battery lid.
Replace the batteries.
18
Correction
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