🏷️ Basic Information Identification Make: Denon Model: AVR-3311CI / AVR-3311 Year: Not specified (Service Manual) Generation: Not specified (Service Manual) 📋 Manual Details Documentation Manual Type: Service Manual Language: English Format: PDF Purpose: Repair and Servicing 🔧 Maintenance General Maintenance Cleaning: Dusting with a soft, dry cloth Ventilation: Ensure adequate airflow around the unit 📄 Audio Specs Amplification Channels: 7.2 Power Per Channel 6Ohm: 160W Power Per Channel 8Ohm: 120W Surround Formats Dolby Pro Logic: Yes Dolby Digital: Yes Dts: Yes Hdmi Version: 1.4a Connectivity Hdmi Ports In: 4 Hdmi Ports Out: 2 Usb Port: Yes Ethernet: Yes Network Streaming: Yes 📄 Physical Specs Dimensions Width: 434 mm Height: 171 mm Depth: 382 mm Weight Weight: 12.5 kg 📄 Power Requirements Electrical Power Consumption: Approx. 60W (standby < 0.5W) 📄 Troubleshooting Common Issues No Sound: Check connections, volume, input selection, mute status Hdmi No Picture: Verify HDMI cable, input source, handshake compatibility