This comprehensive service manual for the Marantz PM350 audio amplifier provides detailed technical information and repair instructions for technicians. It includes circuit diagrams, component layouts, troubleshooting guides, adjustment procedures, and other essential information needed to diagnose and repair any issues with the amplifier. The manual is designed to help experienced technicians understand the inner workings of the PM350 and effectively address any problems that may arise. With clear illustrations and precise descriptions, the manual serves as an invaluable resource for anyone seeking to maintain and repair the Marantz PM350 audio amplifier.

The Marantz PM350 is a stereo integrated amplifier that was introduced in the 1990s. It was part of Marantz's well-regarded line of home audio components, known for their balance of performance and affordability. The PM350 was designed to be a versatile amplifier suitable for a wide range of audio systems, from simple bookshelf speakers to more demanding setups. Its design incorporated Marantz's focus on musicality, aiming to deliver a warm and natural sound signature. The PM350 features a robust construction with a metal front panel and a solid chassis, ensuring durability and minimizing unwanted vibrations. It boasts an array of inputs, including a phono input for connecting a turntable, allowing for a diverse range of audio sources. The amplifier utilizes a high-quality preamplifier section, ensuring accurate signal processing, and features a powerful output stage capable of driving a range of speakers with clarity and control. Marantz incorporated a precise tone control system, enabling users to fine-tune the sound to their preferences. The PM350, despite its straightforward design, was praised for its musicality, delivering detailed and nuanced sound reproduction. It excelled in delivering a warm and involving listening experience, making it a popular choice for both casual and serious listeners.