🏷️ Basic Information Identification Make: Sony Model: STR-DG520 Product Type: Multi Channel AV Receiver Year: Not Specified Generation: Not Specified 📋 Manual Details Description Manual Type: Service Manual Language: English Format: PDF Content Included Sections: GENERAL, DISASSEMBLY, TEST MODE, ELECTRICAL ADJUSTMENTS, DIAGRAMS, EXPLODED VIEWS, ELECTRICAL PARTS LIST 📄 Audio Specs Channels Number Of Channels: 7.1 Channel (Implied by Multi Channel) Processing Audio Decoding Formats: Not Specified (Likely includes Dolby Digital, DTS) Power Output Per Channel Rms: Not Specified 📄 Connectivity Inputs Hdmi Inputs: Not Specified Digital Optical Inputs: Not Specified Digital Coaxial Inputs: Not Specified Analog Audio Inputs: Not Specified Outputs Hdmi Outputs: Not Specified Speaker Outputs: Binding Posts (Implied) 📄 Technical Info Voltage Power Supply Voltage: Not Specified (Region Dependent) Dimensions Unit Width: Not Specified Unit Height: Not Specified Unit Depth: Not Specified Weight Unit Weight: Not Specified 📄 Manual Utility Purpose Troubleshooting Guidance: Yes Repair Instructions: Yes Parts Identification: Yes