i bought my dvd in Spain, in Marbella, in Boulanger Shop.

i updated my dvd TECHNIKA DVD2020 with firmware of dvd BRAINWAVE 202,
and now i can't see on the screen.

i need Original FIRMWARE of my dvd TECHNIKA DVD2020 or any page for contact, TECHNIKA hasn't web!.

please help me!

in the circuit i can read:
CO-DJA1379XE+SANYO
Revision A4B3
2003.Feb.20

help please, thanks!