🏷️ Basic Information Identification Make: Marantz Model: PMD351 Product Type: Stereo Cassette Deck / Compact Disc Player Year: Service Manual (specific year not provided) Generation: N/A (Service Manual) 📋 Manual Details Description Manual Type: Service Manual Language: English Format: PDF Content Focus: Technical troubleshooting, repair, and maintenance procedures Target Audience: Service technicians, advanced users ⚙️ Engine Specifications Cassette Mechanism Drive System: Belt-driven, DC servo motor Motor Type: DC servo motor Wow Flutter: Less than 0.06% (WRMS) Frequency Response: 30 Hz - 16 kHz (CrO2 tape) Signal To Noise Ratio: 50 dB (Dolby NR off) Cd Player Mechanism Laser Type: Semiconductor laser Sampling Rate: 44.1 kHz Quantization: 16-bit linear PCM Frequency Response: 20 Hz - 20 kHz Dynamic Range: 90 dB Signal To Noise Ratio: 95 dB 🔧 Transmission Cassette Mechanism Type: Automatic tape loading and ejection Features: Auto reverse, Dolby B/C NR, Metal/CrO2/Normal tape selection 📐 Dimensions Physical Width: Approximately 435 mm (Standard Hi-Fi width) Height: Approximately 130 mm (Standard Hi-Fi height) Depth: Approximately 300 mm (Excluding controls and connectors) Weight: Approximately 5-7 kg (Estimate) 🔧 Maintenance Cleaning Head Cleaning Frequency: As needed, based on usage Roller Cleaning Agent: Isopropyl alcohol (recommended) Lubrication Capstan Lubrication: Specific lubricant recommended in manual Troubleshooting Common Issues: Tape not playing, CD read errors, motor noise