🏷️ Basic Information Identification Make: JVC Model: AV-20421 Type: Color Television Year: Unknown Generation: N/A 📋 Manual Details Description Manual Type: Service Manual / Repair Manual Manual Purpose: Rebuilding and Maintaining Target Audience: Technicians, DIY Repair Enthusiasts Comparison To Oem: Similar to CDROM technician manuals Availability Format: PDF Download Language: English Author Type: Professional Authors Content Content Style: Step-by-step guide Technical Depth: Comprehensive technical repair information ⚙️ Engine Specifications General Engine Type: N/A Displacement: N/A Power: N/A 🔧 Transmission General Type: N/A Gears: N/A 📐 Dimensions Physical Length: N/A Width: N/A Height: N/A Weight: N/A 🛡️ Safety Features Certifications Safety Standards: N/A 🔧 Maintenance Scheduled Service Interval: N/A Fluid Oil Capacity: N/A 📄 Performance Display Screen Size Inches: 20 Display Technology: CRT (likely, based on era) Audio Audio Output Watts: N/A 📄 Features Connectivity Input Ports: N/A Output Ports: N/A Operation Remote Control Included: N/A 📄 Troubleshooting Common Issues Troubleshooting Guidance: Yes