Home button is an enigma. NO ONE KNOWS. If you ever find out, you better tell us, because all the other posts on this and every AV forum I have spent hours researching are of NO HELP!!! Seriously, if anyone knows, tell me. Here's what I use:

Power On: use CEC
Power Off: use CEC
Back: Short "Menu" command. If you want, here is the IR code for CCP:

MENU MAIN
0000 006C 0022 0002 015B 00AD 0016 0016 0016 0041 0016 0041 0016 0041 0016 0016 0016 0041 0016 0041 0016 0041 0016 0041 0016 0041 0016 0041 0016 0016 0016 0016 0016 0016 0016 0016 0016 0041 0016 0041 0016 0041 0016 0016 0016 0016 0016 0016 0016 0016 0016 0016 0016 0016 0016 0016 0016 0016 0016 0041 0016 0016 0016 0041 0016 0016 0016 0041 0016 0016 0016 0622 015B 0057 0016 0E6C