🏷️ Basic Information Identification Make: JVC Model: AV-21LX14 Type: FLAT Color TV Generation: N/A 📋 Manual Details Documentation Manual Type: Service Manual Language: English Page Count: 52 Format: PDF Content Primary Content: Service and Repair Key Sections Included: • PRECAUTION • SPECIFIC SERVICE INSTRUCTIONS • DISASSEMBLY • ADJUSTMENT • TROUBLESHOOTING 📄 Technical Specifications Display Screen Size Inches: 21 Display Type: CRT Aspect Ratio: 4:3 Power Power Requirements V Hz: 120V AC, 60Hz (Typical North America) Connectivity Video Input Ports: • Composite Video • S-Video Audio Input Ports: Stereo RCA Audio Features Sound System: Stereo Internal Components Main Processor Type: N/A (Specific ICs detailed in manual) Crt Deflection System: N/A (Detailed in manual) 📄 Troubleshooting Guide Common Issues No Picture: Refer to Power Supply and Video Input sections No Sound: Refer to Audio Circuitry sections Picture Distortion: Refer to Vertical/Horizontal Deflection and Picture Adjustment sections 📄 Disassembly Instructions Procedure Cabinet Removal: Step-by-step guide provided Internal Board Access: Detailed schematics and component location 📄 Adjustment Procedures Calibration Geometry Adjustment: Horizontal and Vertical Color Balance Adjustment: RGB adjustments 📄 Precautions Safety High Voltage Warning: Yes (CRT specific) Static Discharge: Yes (Component handling)