🏷️ Basic Information Identification Make: Denon Model: AVR-1804 / AVR-884 / AVC-1880 Year: Unknown Generation: N/A 📋 Manual Details Document Properties Manual Type: Service Manual & Repair Guide Language: English Page Count: 89 Format: PDF Access Download Availability: Instant Download 🔧 Maintenance General Guidelines Cleaning Instructions: Refer to manual for specific cleaning procedures Troubleshooting Guidance: Comprehensive troubleshooting section provided Repair Procedures Component Level Repair: Detailed component-level repair guides Block Diagrams: Included Schematics: Included Maintenance Schedule Preventive Maintenance: No specific schedule, relies on component diagnosis 📄 Product Overview Category Product Category: Audio/Video Receiver 📄 Technical Specifications Audio Processing Decoder Formats: DTS-ES Discrete 6.1, DTS-ES Matrix 6.1, DTS Neo:6, Dolby Digital EX, Dolby Pro Logic IIx Surround Modes: Various virtual surround modes Amplification Channels: 7.1 Channel Amplification Power Output Per Channel: 110W (at 8 ohms, 1kHz, 0.7% THD) Connectivity Digital Inputs: Coaxial (2), Optical (2) Hdmi Ports: 0 (Not HDMI equipped) Component Video Inputs: 3 Pre Outs: 7.1 Channel Pre-Outs Front Panel Inputs: AV Input (Composite Video, Stereo Audio) Processing Analog Devices Dsp Chip: SHARC 32-bit Floating Point DSP Tuning Am Fm Tuner: Yes Preset Stations: 50