🏷️ Basic Information Identification Make: JVC Model: AV N48P74 / AV N56P74 Rear Projection TV Year: Unknown Generation: Unknown 📋 Manual Details General Manual Type: Service Manual Language: English Page Count: Unknown Format: PDF Download Content Troubleshooting Guides: Yes Repair Instructions: Yes Diagnostic Procedures: Yes ⚙️ Engine Specifications Projector System Engine Type: Rear Projection Displacement: N/A (Television Technology) Power Output: N/A (Television Technology) Lamp Type: Unknown (likely Lamp-based projector) Lamp Life Estimate: Unknown 🔧 Transmission Signal Processing Type: N/A (Television Technology) Gears: N/A (Television Technology) 📐 Dimensions Physical Length: Unknown Width: Unknown Height: Unknown Weight: Unknown 🔧 Maintenance General Service Interval: As needed for repair Oil Capacity: N/A (Television Technology) Cleaning Screen Cleaning: Refer to manual Component Replacement Lamp Replacement: Refer to manual 📄 Performance Display Characteristics Screen Size: 48-inch / 56-inch (implied by model numbers) Resolution: Unknown (likely SD or HD for the era) Aspect Ratio: Unknown (likely 4:3 or 16:9) 📄 Connectivity Input Ports Hdmi Ports: Unknown Component Video Inputs: Unknown Av Inputs: Unknown