Is there a need to buy a new replacement logic board?

If you were to replace a logic board of a MacBook, what would happen if you feel a shock from touching the replacement board? Should you buy another replacement board or what are the other options?

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

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0