Sony Corporation of America. Sony. BVU-200A Electrical Alignment, Preliminary. Manual begins with Section 3, Power Supply Alignment, followed by Section 4, System Control Operational Check. Other Sections include the following: 5) Reel Servo System Alignment, 6) Drum and Capstan Servo System Alignment, 7) Audio System Alignment, 8) Video System Alignment, 9) Editing System Alignment, 10) Time Code System Alignment.