Hisense MTK8222, Service Manual, Page: 14 / 75

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LCD TV Service Manual
Hisense Confidential
3
Software Upgrading
3.1 Before upgrading, read the following.
1
、
Before upgrading
，
Write down the ADC Calibration values of the sources of VGA and
component
。
2
、
Upgrade the software.
3
、
To clear the EEPROM .
A Select the item “Clear Unprotected”.
B Press VOL+ button to clear the EEPROM data.
C Close the OSD menu after 5 seconds.
D Restart the TV.
4 Write the ADC Calibration values copied just now into the the channels of VGA and
component.
5
、
After the operation above all, necessarily, Renew search the channels for the users.
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.
3.2 Get ready for upgrading
3.2.1 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.