Source:Sony Corporation of America., Japan. (undated)
Sony Corporation of America. Sony. BVU-200A Revised Schematics for S.N.21,051 and Higher, Preliminary. Packet includes the following schematic diagrams: AU-6 Board- New Type- Audio Rec-PB Amplifier (Ref. No. 13,000 Series), SY-16-3 Board- New Type- System Control for Electrical System (Ref. No. 16,000 Series), and CS-7-4 Board- New Type- Capstan Servo. CS-7-4 Board (Ref. No. 7000 Series).