🏷️ Basic Information Identification Make: DENON Model: TU-660/L Year: N/A Generation: N/A 📋 Manual Details Document Information Manual Type: Service Manual Language: English Format: PDF Availability: Downloadable Publisher: DENON Product Name: DENON TU-660/L Tuner Service Manual ⚙️ Engine Specifications Tuning Components Tuner Type: Analog/Digital Reception Bands: FM/AM Tuning Range Fm: 87.5 - 108 MHz Tuning Range Am: 530 - 1710 kHz Selectivity 50Db: >= 60 dB Signal To Noise Ratio Mono: >= 70 dB Signal To Noise Ratio Stereo: >= 65 dB Harmonic Distortion Mono: <= 0.2% Harmonic Distortion Stereo: <= 0.3% Stereo Separation: >= 40 dB 🔧 Transmission Tuning Mechanism Tuning Method: Manual Tuning Dial Preset Stations: Yes 📐 Dimensions Physical Attributes Width: 434 mm Height: 75 mm Depth: 288 mm Weight: 4.0 kg 🔧 Maintenance Service Notes Calibration Points: FM IF Alignment, AM Tuning Adjustment Component Replacement Guidelines: Capacitors, Transistors, ICs Troubleshooting Charts: Yes Schematics Diagrams: Yes Parts List: Yes