JP1 Remotes

thanks for the care, i rechecked and as you say only obc code input is good as is ,
in my case it is the part of input wheel that is faulty, not the respective ir code.

so anyone googles codes for ax-492-592-892 below are examples:
AFAI tried it is similar & matches with AX-596.

CD/DVD INPUT 7A ...

Hi guys ,

i want to try my luck here as an expert on RMIR may enlighten me on this issue.

I have an old yamaha receiver AX492. it selects cd input via ir code 7A-1B. I converted it to hex code and then pasted it to pronto IRtool to see decodeir dll result.

so it is NEC1 protocol , device 122.-1 ...