Chapter1:Safety And Notes - Changhong Electric LS09C Maintenance Manual

1-1 Installation notes
(1) Please don't beat or rub, scratch the surface of the LCD screen heavily, don't touch it with
hand casually.
(2) When the screen is dirty, please clean it with absorbent cotton or cotton cloths lightly.
(3) Please clean it timely when water or other viscosity pollution fall, which may make the LCD
face or color change.
(4) Please don't make the LCD screen shocked by a strong external force.
1-2 Attention points of operation and using
(1) Please unplug the power cable before moving LCD screen.
(2) Please don't change the mainboard's original setting, otherwise brightness, white balance etc.
may not meet the specification.
(3) Radiation of long time use at room temperature is larger than at low temperature.
(4) Please note that the long displaying image may remain at the top when shutdown the
machine .
(5) Please avoid the impact from mobile phone to protect your TV.
1-3 Storage notes
(1)When store for a long time, please keep the temperature between 0℃to 40℃,don't expose the
TV to the sun, the humidity should be less than 85％RH.
(2)Please don't put your TV under high humidity and high temperature circumstance ,e.g
temperature: 60℃,humidity:85%RH.
(3)Please don't put your TV under low temperature circumstance ,e.g temperature lower than
25℃.
1-4 Dismantling notes
(1)As LCD screen is easy to be damaged, when dismantle, please attention to protect.
(2)Please attention the position of each screw when dismantle, in case to beat the wrong position
when install which may lead to crack or slide of the face frame.
(3) If you need to dismantle the power board or the mainboard, please attention the position and
direction of each line, especially the direction of the screen line, in case of causing accident
when install. Before dismantle ,we can take some photos of the line route for the comparison
of installing.
(4)After check and maintenance, please assure that there is no foreign body in the machine when
install.
1-5 High-voltage warning
The high-voltage of the LCD screen is generated by the power supply step-up board, without
attention to exposure to high voltage, one may meet a serious electric shock.

Chapter1:Safety and notes

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