This comprehensive service manual provides detailed instructions and technical information to repair your YAESU FT-200/250 TRANSCEIVER. The manual covers a wide range of topics, including a block diagram, general specifications, circuit descriptions, oscillator circuits, operation, alignment, power supply, and circuit diagrams. With numerous illustrations and blown-up diagrams, this manual enables you to diagnose and fix issues with your transceiver efficiently. This manual is designed to be user-friendly, making it easy for you to understand and follow the instructions. It is the same manual used by professional repair shops, empowering you to perform repairs yourself and save on costly service fees.