This service manual provides comprehensive technical information for the Aiwa CSD A310 compact disc stereo and radio cassette recorder. It covers the detailed workings and repair procedures for both the basic tape mechanism, designated as ZZM-1 AR4NC, and the basic CD mechanism, identified as DA11T3C. The manual includes extensive diagrams, schematics, and troubleshooting guides to assist technicians in diagnosing and resolving any issues encountered with the Aiwa CSD A310. Written in English, this service manual is an essential resource for qualified individuals seeking to maintain and repair this popular Aiwa audio system.