PS50C680 - TV dont recognise digits from RC, cannot enter HotelMode

[NokiTel]

Hello , I try to find solution how to return my TV to full 100% working but i'm stuck

PS50C680 with T-VAL4DEU 1005 firmware

what I'm brick :
when i tried to hack my TV over HotelMode I didnt complete procedure and I want again start a procedure (export channel list , enable again HotelMode and hiden menus in Servce Mode ) but after this operation my TV dont recognize sended digits from my RC and I cannot send code for enable HotelMode again and service expert menus

What I arleady done :
I found EEPROM is ATMLH020 2EB 1 its located very close to CommonInterface slot and reset EEPROM via VCC+SDA joined on 20sec ...
result exacly like on guide I have msg box with info about my motherboard was replaced etc....

but I cant change anything in Service Menu some menus are not accessible ....

Any ideas how I can repair my TV ???

Thank You for any sugestions

P.S.
sorry for my english