firmware problem samsung UE55H7080SV

Producer/Proizvođač -samsung
Model No/Oznake modela -UE55H7080SV
Chassis/Model šasije -
Main board/Matična ploča -
LVDS/TCON -
MCU/Procesor -
Scaler/Scaler -
Eeprom -
Flash -
Audio/Ton -
Tuner analog/digital -
Inverter/Backlight -
Lcd display/Panel -
Power supply(SMPS)
Tuner -

hello,

this tv goes on and every 5 min off ,on startup i can see the SMART logo and only LED works than afer this logo,i can´t go to service mode ,can anywhere help