🏷️ Basic Information Identification Make: JVC Model: AV-21DX14 COLOUR TV Product Type: Colour Television Category: Consumer Electronics Generation Era: Late 1990s - Early 2000s 📋 Manual Details Document Info Manual Type: Service Manual Language: English Page Count: 50 Format: PDF Content Key Sections: • PRECAUTION • SPECIFIC SERVICE INSTRUCTIONS • DISASSEMBLY • ADJUSTMENT • TROUBLESHOOTING 🔧 Maintenance Repair Guidelines Service Focus: Component-level repair Troubleshooting Approach: Systematic diagnosis based on symptoms Safety Safety Precautions: High voltage discharge, proper grounding Calibration Adjustment Procedures: • Picture geometry • Color purity • Convergence 📄 Technical Specifications Display Display Type: CRT (Cathode Ray Tube) Screen Size Inches: 21 Aspect Ratio: 4:3 Supported Video Formats: • NTSC • PAL Audio Audio Output Power Watts Per Channel: Stereo Connectivity Input Ports: • RF In • AV In (Composite) • S-Video In Output Ports: • AV Out (Composite) Power Power Consumption Watts: Typical Power Requirements Voltage: AC 100-240V (International) Chassis Chassis Designation: Specific chassis model not listed but implied by service manual