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When you send a wrong or a bad .bin file to your receivre while upgrading it, and that one won't to boot because its flashmemory can't read the data in it so you have to erase it and relod it that what we call JTAG
first of all you have to make a JTAG Cable by the following Schematic :
and you will have something like that:
after that you should open your stb and find the JTAG cable connector .it looks like :
also you should see the jumper and flash memory location:
and you should connect it to the cable like :
now turn your stb off and connect the Jtag Cable and Cross the Jumper
First time the program cannot recognize the flash memory
Now in the Base Address you have to tape : FC000000
the flash memory is known
you select Erase block to remove the boot:
and you'll see the erase processing
you cross of the jumper and send the upgrade file normally with the upg cable and ,GOD willing , You'll see your stb running like first time you buy it!
This Manipulation Shloud be done by an expert afraid to damage your STB
first of all you have to make a JTAG Cable by the following Schematic :
and you will have something like that:
after that you should open your stb and find the JTAG cable connector .it looks like :
also you should see the jumper and flash memory location:
and you should connect it to the cable like :
now turn your stb off and connect the Jtag Cable and Cross the Jumper
First time the program cannot recognize the flash memory
Now in the Base Address you have to tape : FC000000
the flash memory is known
you select Erase block to remove the boot:
and you'll see the erase processing
you cross of the jumper and send the upgrade file normally with the upg cable and ,GOD willing , You'll see your stb running like first time you buy it!
This Manipulation Shloud be done by an expert afraid to damage your STB
PS : Re-Shared post/personal Writing
EnjoY!