🏷️ Basic Information Identification Make: Denon Model: AVR-1803/AVR-883 Year: N/A Generation: N/A 📋 Manual Details Content Manual Type: Service Manual Language: English Page Count: 70 Format: PDF Compatibility Platform: Windows, MAC ⚙️ Engine Specifications Power Supply Power Supply Type: AC Power Voltage Input: 120V / 240V AC (region dependent) Frequency Input: 50/60 Hz 🔧 Transmission Processing Modes Audio Processing Modes: Dolby Digital, DTS, Dolby Pro Logic II, DTS-ES Discrete/Matrix, DTS Neo:6, Dolby Digital EX, DTS 96/24 Surround Sound Formats: DTS-ES Matrix 6.1, Dolby Digital Surround EX 📐 Dimensions Physical Dimensions Height: 175 mm Dimensions Width: 434 mm Dimensions Depth: 417 mm Weight: 11.5 kg 🔧 Maintenance Troubleshooting Common Issues Covered: Power supply, audio output, display, remote control, signal input Diagnostic Procedures: Internal testing, component checks, signal tracing Repair Guides Component Replacement: Amplifier modules, power board, DSP board, front panel Schematics Included: Yes Calibration Speaker Setup Options: Manual configuration, auto speaker setup (if applicable via external device) 📄 Connectivity Audio Input Digital Optical Inputs: 2 Digital Coaxial Inputs: 2 Analog Rca Inputs: 5 (including Phono) Audio Output Preamp Outputs: 7.1 channel