This manual covers the Bang & Olufsen Beogram 3500 and Beogram 4500 series turntables, including specific types 5146 through 5150 for the Beogram 3500 and types 5171 through 5175 for the Beogram 4500. It also details the Beogram CD-Mechanism version II. These models represent a commitment to high-fidelity audio reproduction, designed for discerning listeners seeking exceptional sound quality and reliable performance. The engineering reflects Bang & Olufsen's dedication to innovative design and user experience.

The purpose of this document is to provide comprehensive technical information for servicing and maintaining these Bang & Olufsen audio components. It includes detailed procedures, schematics, and specifications necessary for proper operation and repair. This manual is intended for technicians and service professionals, enabling them to effectively diagnose issues and perform maintenance, ensuring the continued optimal performance of the Beogram turntables and CD mechanisms.