Trouble Shooting
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For safety, please observe the following points
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* When trouble occurs, disconnect the power plug
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immediately and contact your dealer.
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If smoke comes out of this unit or a bad odor or strange noise comes out continuing
to use the unit can cause a fire or electncal shock Tum the power OFF immediately,
unplug the power cord from the outlet and contact your dealer
Absolutely do not attempt to remove the rear cover.
There are parts at high voltage inside, so touching them can cause an electrical
shock Leave inspection, adjustment and cleaning of the intenor to your dealer
Do not allow anything inside the casing.
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If liquid or a foreign object should get inside accidentally, immediately turn the power
OFF, unplug the power cord trom the outlet and contact your dealer Continuing to
use the unit can cause a fire, electncal shock or breakdown of the unit
If trouble occurs with the display unit, perform the following checks and take the
indicated action; if the trouble persists, please consult with your dealer
[Symptom | Check |
Action —
The LED Power
AC Power cord / plug
Plug the AC power cord into the outlet
Indicator does not light
correctly
(is dark)
Power Switch
Signal cable
Computer (The power
saving function might have
operated )
Contrast, Brightness and
Backlight adjustments
The LED Power
Power Switch
Indicator does not go
off (dark)
The image is too large
or too small It is
displaced from the
correct position
Part of the image is
missing
The color of part of the
screen is changed
[-]
There are vertical or
horizontal stripes in the
image
There is an after-image
in the image
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Press the power switch
There is no image and
LED Power Indicator is
yellow
Connect the signal cable correctly
Release the power saving function. (Operate
the mouse or keyboard
For details, read the
operation manual of the computer )
Adjust the Contrast, Bnghtness and Backlight
correctly (See page 15)
Press the power switch one more time
Is the display mode
registered?
is the display mode
guaranteed?
Use an on-screen function to perform the
desired settings
Read the computer operation manual and
change the display mode to obtain the
specified mode
is the DOT CLOCK (vertical
stripes) or PHASE
(honzontal stripes)
adjusted?
Liquid Crystal panel
Perform the adjustment so the stripe
patterns are not conspicuous
Change the desktop pattern
If the same image ts displayed on the LCD
for a long period of time, a phenomenon
called "sticking image" may occur where
slight traces of the sticked image screen
pattern can still be observed when other
Screen patterns are displayed
Do not operate the display for approximately
one day and do not turn the power on
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