🏷️ Basic Information Identification Make: JVC Model: AV-21L83 Product Type: Colour Television 📋 Manual Details Version Manual Type: Service Manual Format Format: PDF Language Language: English Content Content Overview: Specifications, Operating Instructions, Safety Precautions, Features, Functions, Specific Service Instructions, Service Adjustments, Standard Circuit Diagram 🛡️ Safety Features Precautions Safety Precautions: Included 📄 Features Display Display Type: CRT Screen Size: 21 inches Audio Audio System: Mono/Stereo (likely dependent on broadcast/input) Connectivity Av Inputs: Multiple RCA inputs (likely standard for the era) Antenna Input: Yes (Coaxial) 📄 Service Instructions Troubleshooting Troubleshooting Guide: Included Adjustments Service Adjustments: Included Circuit Diagrams Circuit Diagrams: Standard Circuit Diagram included 📄 Power Supply Power Source: AC Mains (voltage specification likely in manual) 📄 Technical Details Tv System Tv System Compatibility: NTSC/PAL (region dependent) Resolution Resolution: Standard Definition (SD) Aspect Ratio Aspect Ratio: 4:3 Audio Output Power Audio Output Power: Estimated 3-10W RMS (typical for this era) 📄 Operating Instructions User Guide Operating Instructions: Included (Appendix)