Sam4s ER-380M ER-380F ER-380RK Service Manual This Sam4s ER-380M ER-380F ER-380RK covers the following topics: Precaution Statements, Product Specifications, Installation and Operation, Disassembly and Assembly, Maintenance and Adjustment, Reference Information, Special Circuit Descriptions, Troubleshooting, Exploded Views and Parts List, PCB Layout and Parts List, Block diagram, Wiring Diagram, Schematic Diagrams