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Vsx 7000a firmware

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Vsx 7000a firmware

Good day!
The firmware on vsx 7000a 9.0.6 was accidentally erased, there is no way to install a new one, writes the Update key code
9.0 Available, but no title,

can you tell me what to do? Throw it out? or is there some way to restore the firmware.
s / n 8210080B9AAEAK

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