What was found
FLT 3434 - PSP-LAX - PILOT REPORTED, THAT AFTER LANDING AT LAX AND WHILE DOING A POSTFLIGHT INSPECTION OF THE AIRCRAFT, HE OBSERVED SMOKE ACCOMPANIED BY A BURNT ELECTRICAL ODOR COMING FROM THE CENTER CONSOLE NEARS THE ACARS UNIT. MAINTENANCE PERSONNEL FOUND THAT THE ACARS SCREEN CANNON PLUG WAS 'LIVE' AND DETECTED A BURNT SMELL ASSOCIATED WITH THE ACARS UNIT. THE ACARS SCREEN WAS REMOVED AND REPLACED, OPERATIONAL CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS RELEASED BACK TO SERVICE.