SONY Service Manual. Trinitron Color Monitor, KX-4200/ ACP-420. US Model: Chassis No. SCC-575A-A. Canadian Model: Chassis No. SCC-600A-A. Cover displays unit in black and white and lists Specifications. On the Table of Contents seven Sections are entitled General (location and function of controls), Disassembly, Adjustments, Diagrams, Exploded Views, Electrical Parts List, and AC Pack. This guide relies heavily on illustrations and charts in its instruction.