Where is located the logic board on iPhone 5

my screen doesn’t allow enter the code

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2944067:02crwdne2944067:0:

what do you mean by the screen won't let you ender the code? Does the phone say "disabled connect to iTunes" or does the screen not respond when you try to type in the code?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

He said something about the logic board? Or what. Please explain in more detail

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0