I checked one more time. I can't really see the back of LCD, since it's mounted in the plastic. On the cable in the middle there is only number 1.77 (except connectors numbers from c1 through c16)
Also, about the firmware - I gave the link above, anyways, it was this one:
http://mympxplayer.org/firmware-9152...-01-df887.html
Thanks a lot!