Hisense Lcd42p69p Service Manual
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- 21 - LCD TV Service Manual Hisense Confidential 6 Software Upgrading The first upgrading method: The software is upgraded by a burning toll-MtkTool, which can burn the program file *.bin to the main board of the unit. 6.1 Get ready for upgrading 6.1.1 Install the driver Double click the icon MTKtools2.44.04+cp210xDriver.rar, install the driver. Select the default value, the driver will be installed step by step. 6.1.2 Hardware connecting Connect the unit...
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- 22 - LCD TV Service Manual Hisense Confidential For the first connecting, the pc will recognize and automatically install the USB device. The process is just like the installation of a mini disk, see the following picture.
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LCD TV Service Manual
Hisense Confidential
6.2 Upgrading with the MtkTool
MTKtool is a green program needing no installation. It is saved in the folder
. There are five folders/files in this folder altergether.
The MtkTool using log is restored in the MtkLog folder. It records the running time and date
whenever the tool is used. The log will be a txt file named by the date and time.
After connecting the TV with your PC,...
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LCD TV Service Manual
Hisense Confidential
2—Refer to the next page instruction to select the communicate port.
3—Press the icon beside the baud rate and make sure it is green as the below picture.
4—Set the flash baud rate to 115200 as the below picture.
5—Click the browse button to select the *.bin file that will be updated.
6—Click the “start” button to update software.
Select mode
of Flash...
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LCD TV Service Manual
Hisense Confidential
Open “Device Manager” and find which port is connected with the TV. In this operation, COM5
is connected to the TV; so, select “COM5” in the MtkTool main interface. Select the right baud rate
according to chip model. For this unit( chip model is MT8226), select 115200..So choose
“Auto Set Flash
BaudRate”
Note: Whether or not click the “Auto Set Flash Baud Rate” in the “window” menu
depends on the...
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LCD TV Service Manual
Hisense Confidential
Click “Browse” button, find the upgrading program file, and select it. Press “Upgrade” button
and start upgrading.
The following interface appears on the screen, indicating upgrading successfully.
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- 27 - LCD TV Service Manual Hisense Confidential 6.3 Update with USB directly T he second update method is with USB directly: MTK8222 Series can update with USB, the software name should be HISENSE.bin. The Updating Steps is set the Source to DMP interface, insert the USB(the update file HISENSE.bin,which should be in root directory),The TV automatic identify the upgrading software. step by step according as the informations of the upgrading process. (USB to the...
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- 28 - LCD TV Service Manual Hisense Confidential After upgrading, you must confirm the software in the Factory Menu and youd better CLEAR UNPROTECTLY.
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- 29 - LCD TV Service Manual Hisense Confidential 7. Troubleshooting 7.1 Troubleshooting for Remote Control Remote control does not work Try new batteries Replace RC Check IR receiver Change Led & IR board Change Led & IR cable Replace main board Replace battery Replace remote control Replace Led & IR BD Replace Led & IR cable YES YES NO YES NO YES NO
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- 30 - LCD TV Service Manual Hisense Confidential 7.2 Troubleshooting for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Replace tact switch Replace Key BD OK YES YES NO YES NO NO