🏷️ Basic Information Identification Make: Aiwa Model: AV-D97 Product Type: Audio/Video Receiver Generation: Type U/EZ 📋 Manual Details Document Information Manual Type: Service Manual Language: English (Assumed, common for service manuals of this era) Format: PDF Download Content Coverage Covered Topics: Specifications, Electrical Main Parts List, Transistor Illustration, Wiring, Schematic Diagram, IC Block Diagram, IC Description, Adjustment, Mechanical Exploded View and Parts List, Accessories/Package List ⚙️ Engine Specifications Power Supply Power Supply Type: AC Mains Voltage Requirements: 100-240V AC (Typical for global models) Frequency Requirements: 50/60 Hz (Typical for global models) 🔧 Transmission Audio Processing Audio Decoder Formats: DTS, Dolby Digital, Dolby Pro Logic (Likely, based on era and product type) Digital Signal Processing: DSP modes (e.g., Hall, Stadium, Jazz, Pop) 📐 Dimensions Physical Dimensions Width: Approx. 430 mm (Standard AV Receiver width) Height: Approx. 150 mm (Standard AV Receiver height) Depth: Approx. 300 mm (Standard AV Receiver depth) Weight: Approx. 8-12 kg (Estimated for an AV Receiver of this era) 🔧 Maintenance General Notes Disassembly Instructions: Detailed in manual Troubleshooting Guide: Included Component Identification: Transistors, ICs, and other parts illustrated Calibration Adjustment Procedures: Included for various functions Parts Ordering Parts List Type: Electrical and Mechanical 📄 Performance Audio Output Channels: 5.1 Channel Surround (Likely) Power Output Per Channel: Varies by model, typically 80-100W per channel (RMS) Connectivity Input Terminals: Component, Composite, S-Video, Optical, Coaxial, Analog RCA, Phono (Likely) Output Terminals: Pre-outs, Speaker Terminals, Subwoofer Out, Optical, Analog RCA