Introduction
This service manual provides detailed technical information for the Marantz SR770 and SR870 Audio/Video Receivers. It includes comprehensive sections on technical specifications, wiring diagrams, block diagrams, schematic diagrams, exploded views, parts lists, service programs, and electrical adjustments. This manual is intended for qualified service technicians and should be used in conjunction with the user guide (D.F.U).
Key Features and Content
- Detailed technical specifications for both FM and AM tuner sections, as well as audio and video components.
- Clear wiring diagrams and block diagrams to illustrate the internal circuitry and signal flow.
- Schematic diagrams and parts location for easy identification and replacement of components.
- Exploded views and comprehensive parts lists for all serviceable parts.
- Information on service programs and electrical adjustments to ensure optimal performance.
Marantz Commitment to Quality
Marantz is dedicated to providing superior sound quality through advanced design and high-grade components. Using original Marantz parts is crucial to maintaining the performance and integrity of your Marantz product. For parts orders, please refer to the contact information provided for Marantz subsidiaries and agents worldwide.
Important Safety Information
A critical section on Shock, Fire Hazard Service Test is included, emphasizing the importance of safety checks after servicing. This includes measuring resistance between AC cord pins and the chassis to ensure no hazards exist before returning the unit to the customer.
