No chance. If you have to ask, you won't be repairing it on your own. Why ? If you had the necessary knowledge/skills, you'd be resourceful enough to have already found out the extra info you might need.
Take it to someone who knows what they're doing, or if you fancy rendering the phone permanently unusable, search for the service manuals; they've been posted here before & a Google search should turn them up.
If it's important enough to cause you grief if it's lost, back it up. No excuses
Trolling for thanks is lame
Does Samsung's auto-brightness implementation crap drive you to self-harm ? A solution !
Failure to search is the leading cause of male impotence on XDA
If you don't know how to recover if things go wrong, what are you doing flashing custom roms ?