🏷️ Basic Information Identification Make: Kenwood Model: KDC-C669Y Product Type: CD Auto Changer 📋 Manual Details Description Manual Type: Service Manual Manual Focus: Troubleshooting and Repair Availability Format: PDF Download Content Language: English Target Audience: DIY Enthusiasts, Repair Technicians ⚙️ Engine Specifications General Engine Type: N/A (Electronic Device) Displacement: N/A Power: N/A 🔧 Transmission Mechanical Type: N/A (Electronic Mechanism) Gears: N/A 📐 Dimensions Physical Length: Refer to service manual for specific unit dimensions Width: Refer to service manual for specific unit dimensions Height: Refer to service manual for specific unit dimensions Weight: Refer to service manual for specific unit weight 🔧 Maintenance Routine Cleaning Frequency: As needed Laser Lens Cleaning: Recommended with specialized cleaning kits Troubleshooting Common Issues: Disc loading errors, playback skipping, power issues Diagnostic Procedures: Detailed in manual Repair Guidelines Part Replacement: Step-by-step instructions 📄 Features Audio Cd Changer Capacity: Typically 6-disc or 10-disc (model specific) Cd Text Support: Yes (if supported by head unit) Connectivity Interface Type: Kenwood proprietary (e.g., M-Bus) 📄 Technical Specs Electronics Power Supply: 12V DC vehicle system (via head unit) Laser Wavelength: Commonly 780 nm