Changhong Electric LS09C Manual de usuario
LED COLOUR TV
MAINTENANCE MANUAL
MODEL: LS09CCHASSIS
Please read this manual carefully before maintenance.
2
CATALOG
Chapter1:Safety and notes............................................................................................3
Chapter2: TV specifications and ports functions.........................................................4
Chapter3: Software upgrade tooling,software upgrade instructions,software
initialization,parameter setting,software version and screen matching instructions......6
Chapter4:Repair process and examples of typical accident.......................................11
Chapter5: Factory model parameters setup instructions and precautions..................16
Chapter6:Instructions of simple factory debugging specification .............................19
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Chapter1:Safety and notes
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.
4
Chapter2:TV specifications and ports function
2-1 Basic specifications（The parameters are for reference only, the specifications should
accord to practicality of the batch orders）
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2-2 Introduction of ports(practicality photos)
ATTENTION:
1. HDMI and YPbPr support to 1080P；
2.The recommendation resolving ratio of VGA is 1024X768；
3. Av output supports TV input /AV output，Av input /AV output;
4.The picture is for a reference only,the actual item is the standard.
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Chapter3: Software upgrade tooling , software upgrade instructions ,
software initialization , parameter setting , software version and
screen matching instructions
3-1 Software upgrade tooling
there are two kinds of using upgrade tooling：
1.Use the combined interface(the parallel port) upgrade tooling :use the upgrade program: ISP_
Tool V4.0.5.exe（and higher versions）
2.Use USB interface upgrade tooling , use the upgrade program : versions higher than ISP Tool
V4.3
3. Use the USB upgrade
3-2 Software upgrade instructions
3-2-1 Tooling upgrade
1. Driver Installation: Upgrade tooling connected to the computer via USB, the first connection
will be prompted to find the hardware, follow the prompts to install the driver, Driver file from the
attachment "usb-updateTOOL-DRIVER" folder inner tube MSTAR name of the subfolder word
where you can, you are prompted three times, three times to be installed.
2. After installing the driver tooling, tooling and TV connected (switched on), open the upgrade
tool "ISP_Tool V4.3.9.4.exe" (Note: The following chart version of the tool used for the
interception chart, the upgrade is still using V4 .3.9.4 version), run the upgrade program
computer upgrade tooling LCD TV
Combined interface or USB
VGA
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Cancel the selection in the red line frame of last chart , as following shows:
3.Select(connect)first ,if normal ,system will feedback the flash style of the machine chassis As
following
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4.Select the toolbar on the "Read", then click on the bottom there's "Read", select the upgrade file,
such as "CH-P06U (VC)-V1.15-YD12.bin"
5. select "Auto", and check the options according to the following chart
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6. Select the top of the "Connect", if connected, there will be "Device Type" prompt, select "OK"
and then click "RUN", After the upgrade is complete, the green "PASS" prompt will appear in the
progress bar below
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3-2-2 USB Upgrade
1) The first method
Copy the file to root catalogue of USB, The filename has to be for "bin_6m181. bin".Turn
on the TV, Insert the USB flash , .Entre the menu to choose "Sotfware Update(USB)", And press
key "ENTER" of remote control ，Then follow the on-screen prompt to request and complete
your update.
2) The second method
Copy the file to root catalogue of USB, The filename has to be for "bin_6m181. bin" ,Insert
the USB flash , then turn on the AC switch, update will be completed automatically, during
updating, The indicator will gleam.
3-3 Software initialization
After finishing the software upgrading ,enter into the factory menu ,select INIT TV，clear
EEPROM.
5-4Software version
Enter into the factory menu ,select SW INFORMATION
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