Precaution And Notices; Assembly Precaution; Operationg Precaution; Storage Precaution - Envision EN9110 Service Manual

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2-1

ASSEMBLY PRECAUTION

(1) Please do not press or scratch LCD panel surface with anything hard. And do not
soil LCD panel surface by touching with bare hands (Polarizer film, surface of
LCD panel is easy to be flawed)
In the LCD panel, the gap between two glass plates is kept perfectly even to
maintain display characteristic and reliability. If this panel is subject to hard
pressing, the following occurs:
(a)
(b)
(2) Please wipe out LCD panel surface with absorbent cotton or soft cloth in case of
it being soiled.
(3) Please wipe out drops of adhesive like saliva and water in LCD panel surface
immediately.
They might damage to cause panel surface variation and color change.
(4) Do not apply any strong mechanical shock to the LCD panel.
2-2
OPERATING PRECAUTIONS
(1) Please be sure to unplug the power cord before remove the back-cover. (Be sure
the power is turn-off)
(2) Please consider that LCD backlight takes longer time to become stable of
radiation characteristic in low temperature than in room temperature.
(3) Please pay attention not to displaying the same pattern for very long-time. For
image might stick on LCD.
2-3
STORAGE PRECAUTIONS
(1) When you store LCD for a long time, it is recommended to keep the temperature
between 5℃-40℃ without the exposure of sunlight and to keep the humidity less
than 85% RH.
(2) Please do not leave the LCD in the environment of high humidity and high
temperature such as 60℃ 90%RH.
(3) Please do not leave the LCD in the environment of low temperature; below -15℃.
2-4

HIGH VOLTAGE WARNING

The high voltage is only generated by INVERTER module; carelessly contacting the
transformer on this module can cause a serious shock. (The lamp voltage after
stable around 600V, with lamp current around 6.5mA, and the lamp starting voltage
was around 1650V, at Ta=25℃)
2. PRECAUTIONS AND NOTICES
Uniform color
Orientation of liquid crystal becomes disorder
8

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