BenQ VM2221 Product Service Manual page 114

** OPERATION INSTRUCTION **
** OPERATION INSTRUCTION **
1.Use the USB cable connect the PC with ISP board，then connect the ISP board with the
machine which will be upgraded by VGA cable；
2. Insert the AC POWER cable into LCD TV from the back
a. if upgrade the F/W of MB , you may perform the upgrade operations directly (Power LED is orange)
b. if upgrade the F/W of ATSC board ,please press the power key to turn on the power of whole model
(The power LED is green), then perform the upgrade operations .
3.Run the" MtkTool.EXE"，and you'll see the main upgrade interface. Instruction like below :
* Chipset Name : please select MT8202 for MB upgrade or MT5351 for ATSC board upgrade.
* COM Port : please select the correspond port（＊USB）
* Baud Rate : When use the RS232 cable please select 115200,
Use the USB TO RS232 cable select 115200 X 8
* Please press the Reset button before upgrade(Don't change the others ).
* Backup file : Please fix up in "backup.bin", or the MTK tool System would not run normally
* Load Bin file : Display the correct software file, press browse button to select the F/W that you want .
* Upgrade : program start to run
4、Press the button "Browse", select the correct catalog file that you want ,then press "select "；
5、Press" Upgrade", the program start to run（Don't change the others）.The program will test
Flash Type before running；
6、It is upgrade finish when the interface's number appear 100%；
7、Pull out the AC power cable of the machine from back, then pull out the VGA cable ;
8、After the upgrade are end ,go to step 5-7 for next one upgrade ..
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