Default Bricked android tv box - can`t connect by uart

Hello, I`m new here. I got a android smart tv box with I9-P VER1.0 2011-10-22 board. I found some clones like mp016, gv-3 etc my have wifi.
Quote:
allegro.pl/show_item.php?item=3802013163
Somehow my box catch a brick, i just push reset button. Now I dont have any video signal (hdmi or rca). I tried sd tool for recovery sd with umc-boot founded on web, nothing hapen. Firmware to my device dont have boot in .bin but in img and sd tool dont work with it. Is there any chance to bring back to work my android box? I tried with my pl2303 converter this method:
Quote:
androidforums.com/4823905-post82.html
but nothing happen black screen on putty. My putty settings: com5, 115200 speed, 8n1.

Thank You for help and sorry about my english and posting a link.