Thes are all for TV_0150: Protocol=(Mitsubishi):Device=71. FYI, OBC's are after the device numbr but you should only need the EFC's.

"Input-1" (Mitsubishi):71:98 EFC:223
"Input-2" (Mitsubishi):71:106 EFC:95
"Input-3" (Mitsubishi):71:114 EFC:159
"Input-4" (Mitsubishi):71:122 EFC:31
"Cmpnt-1" (Mitsubishi):71:105 EFC:89
"Cmpnt-2" (Mitsubishi):71:97 EFC:217
"VGA" (Mitsubishi):71:49 EFC:137
"DTV-1" (Mitsubishi):71:121 EFC:25 "this may be a toggle between DTV 1,2,3,and 4
"On" (Mitsubishi):71:66 EFC:255
"Off" (Mitsubishi):71:74 EFC:127

Yamaha publishes some of their command sets.

[Link: yamaha.com]

Even if your device isn't listed the commands will probably work. If there is such a command one, of us will help you translate them into a setup code and EFC if they exist.

-Jon