🏷️ Basic Information Identification Make: Marantz Model: SR7500/SR8500 Product Type: AV Surround Receiver Product Line Product Category: Home Entertainment Receiver 📋 Manual Details Document Information Manual Type: Service Manual Format: PDF Language: English Downloadable: True 🔧 Maintenance Service Procedures Adjustment Procedures: Power Amplifier Adjustment Service Modes: Access to Service Modes Troubleshooting Error Codes: System Error Identification 📄 Technical Description Receiver Features Audio Processing: Surround Sound Connectivity: AV Inputs/Outputs Power Output Details: Power Amplifier Section Firmware Updatable: True Troubleshooting Guide: True Technical Description Details Component Overview: Detailed technical explanation of internal components 📄 Schematics Electrical Diagrams Wiring Diagrams: True Block Diagrams System Block Diagram: True 📄 Technical Specifications Electrical Characteristics Voltage Requirements: Not Specified (assumed standard AC mains) Frequency Range: Not Specified Audio Performance Surround Formats: Likely includes DTS, Dolby Digital, etc. (specifics not in product name) Channel Configuration: Likely multi-channel surround (e.g., 5.1 or 7.1)