This comprehensive service manual provides detailed technical information for repairing and servicing the CASIO FX-7700GE calculator, specifically the 1994 model. The manual is a valuable resource for individuals seeking to understand the inner workings of this calculator and perform their own repairs. It includes a schematic diagram outlining the calculator's electrical components and their connections, along with detailed specifications outlining its technical characteristics. The manual also guides you through operational checks, ensuring proper functionality, and provides information on data communication protocols. Furthermore, it offers a thorough troubleshooting section to help identify and resolve common issues. The manual includes a detailed disassembly view, aiding in the process of taking apart the calculator for repair or maintenance. A comprehensive parts list is included, making it easy to identify and order replacement components as needed. With a wealth of information and clear diagrams, this service manual equips you with the knowledge and tools to understand and repair your CASIO FX-7700GE calculator.