🏷️ Basic Information Identification Make: Marantz Model: SR4400 AV Surround Receiver Year: N/A (Service Manual) Generation: N/A (Service Manual) 📋 Manual Details General Manual Type: Repair Manual Language: English Format: PDF Download Content Content Overview: Step-by-step repair guide with illustrations for simple to complex repairs. ⚙️ Engine Specifications Performance Power Output: 100W per channel (at 8 ohms, 20 Hz-20 kHz) Amplification Surround Sound Formats: Dolby Digital, DTS, Dolby Pro Logic II Connectivity Digital Inputs: Coaxial, Optical Analog Inputs: Multiple RCA inputs (CD, Tape, MD, TV/Aux, CD-R/Tuner) Pre Outs: Yes Component Video Switching: Yes 🔧 Transmission Control Type: N/A (Electronic Receiver) Modes: Stereo, Stereo + Surround, Mono, Direct 📐 Dimensions Physical Width: 440 mm Height: 157 mm Depth: 389 mm Weight: 12.0 kg 🔧 Maintenance Cleaning Cleaning Recommendation: Soft, dry cloth for exterior. Refer to manual for internal component cleaning. Troubleshooting Common Issues Addressed: Power, audio, video, control, and internal component failures. Testing Diagnostic Procedures: Step-by-step troubleshooting guides and circuit diagrams. 📄 Technical Specs Audio Frequency Response: 10 Hz - 50 kHz Signal To Noise Ratio: 100 dB (Line) Tuning Tuner Type: AM/FM Digital Tuner Power Power Consumption: N/A (typically under 300W)