First solution:
Check capacitors CM-853,852,876,880 and re-program eprom.
Seckond solution:
Replaced capacitors on PSU.Locate eeprom near LVDS socked,temporary S/C clock and data pins (pins 5 and 6).Plug in and wait for the relay to click then remove S/C.Apliance should work now.Enter service mode(STANDBY,INFO,MENU,MUTE,STANDBY) and check that tuner option is set to AUTO then select reset.Apliance will switch to standby when finishes the reset procedure.Switch ON and returne appliance.
Service manual is too bigest(27MB) to atach hire and I send to your email.
LE40R88BDXXEU no DBX.....
Chassis model GBP40SEN