H.C.Service,
The last two numbers are wrong (the checksum), they should be 14.
Here are the working RS-232 (hex) codes I have for the Sony UBP-x1000es.
Power On - 02 03 80 60 01 14
Power Off - 02 03 80 60 00 00
Play - 02 02 80 12 4C
Stop - 02 02 80 14 4A
Pause - 02 02 80 13 4B
Skip+ - 02 02 80 11 4D
Skip- - 02 02 80 10 4E
FF (?) - 02 02 80 21 3D
Rew (?) - 02 02 80 20 3E
Enter - 02 02 80 17 47
Up - 02 02 80 15 49
Down - 02 02 80 19 45
Left - 02 02 80 16 48
Right - 02 02 80 18 46
Return - 02 02 80 1C 42
Netflix - 02 02 80 3D 21
Top Menu - ???
Menu - ???

I could use some help with the Top Menu and Menu commands. Hopefully this helps you guys out.