Thanks !
I use the dump function fro IrRecvDump and it says it's rc5 12 bit 84c for on and 4c for off.
When I send that my tv respond neither...
i use:
irsend.sendRC5(0x84c,12);
with the Dump i got :
Decoded RC5: 84C (12 bits)
Raw (22): 950 -850 950 -850 1850 -850 950 -850 950 -850 900 -1800 1850 -850 950 -1700 950 -850 1850 -900 900 value:2124
Decoded RC5: 4C (12 bits)
Raw (22): 950 -850 1850 -850 950 -850 950 -850 950 -850 950 -1750 1800 -900 950 -1750 900 -850 1850 -900 900 value:76