🏷️ Basic Information Identification Make: Sharp Model: 20GT15 Year: Unknown Generation: Unknown 📋 Manual Details Description Manual Type: Service Manual Language: English Page Count: 40 Format: PDF Download Availability: Downloadable ⚙️ Engine Specifications General Engine Type: N/A (Television) Displacement: N/A (Television) Performance Power Output: N/A (Television) 🔧 Transmission General Type: N/A (Television) Gears: N/A (Television) 📐 Dimensions Physical Screen Size: 20 inches Weight: Unknown 🔧 Maintenance Scheduled Service Interval: N/A (Television) Consumables Oil Capacity: N/A (Television) 📄 Technical Features Display Display Technology: CRT (likely, based on model era) Aspect Ratio: 4:3 (typical for era) Connectivity Av Input Ports: Multiple (e.g., Composite, S-Video) Coaxial Input: Yes Power Power Supply: AC 100-240V (typical) Audio Speaker Configuration: Integrated Stereo Speakers (likely) 📄 Service Information Troubleshooting Common Issues: Detailed within manual Repair Schematics Diagrams: Included in manual