🏷️ Basic Information Identification Make: Denon Model: AVR-3803 Model Variant: 1083 Related Model: AVC-3570 Product Type: Audio/Video Receiver 📋 Manual Details Manual Info Manual Type: Service Manual Download Format: PDF Language: English Availability: Download 🔧 Maintenance Troubleshooting Common Issues Covered: No sound, display errors, input selection problems Diagnostic Procedures: Block diagrams, signal flow charts Repair Component Replacement Guides: Power supply, amplifier boards, DSP unit Specifications Internal Fuse Ratings: User replaceable fuse details Recommended Cleaning: Dust removal from vents and internal components 📄 Technical Specifications Audio Processing Surround Sound Formats: DTS-ES Discrete 6.1, DTS-ES Matrix 6.1, DTS Neo:6, Dolby Digital EX, Dolby Pro Logic IIx Dsp Modes: 7 Stereo, 4 Mono, 2 Virtual Surround, 2 Cinema EQ Digital Signal Processing: 32-bit Floating Point DSP Amplifier Power Output Per Channel Stereo: 110W x 2 (8 ohms, 20 Hz - 20 kHz) Power Output Per Channel Surround: 100W x 7 (8 ohms, 1 kHz) Frequency Response: 10 Hz - 100 kHz (+0 dB, -3 dB) (Direct Mode) Connections Hdmi Inputs: 2 Hdmi Outputs: 1 Component Video Inputs: 3 Component Video Outputs: 1 Digital Inputs: 4 Optical, 2 Coaxial Digital Outputs: 1 Optical Pre Outs: 7.1 Channel Power Supply Power Consumption: 650W Dimensions Dimensions W X H X D: 434 x 171 x 429 mm Weight: 15.8 kg