has sombody the service manual for the Pionner DVR530 (which is different from DVR 520 )?

I want upgrade my 160G HDD to a 400G HDD :

I think that the procedur is very similar to the DVR520 :
need only evice remote control code for DVR 530 ( with PC )
-Pionner service DVD ( i have to find links or torrent files)

Thanks for help