🏷️ Basic Information Identification Make: Samsung Model: S81B Series Model Variants: LA32S81B, LA37S81B, LA40S81B, LA46S81B Product Type: Television Product Line: S81B 📋 Manual Details Document Information Manual Type: Service Manual Language: English Format: PDF Availability: Downloadable 🔧 Maintenance Cleaning Screen Cleaning: Instructions for safe cleaning provided 📄 Technical Specifications Display Display Technology: LCD Screen Sizes Inches: 32, 37, 40, 46 Resolution: 1920 x 1080 (Full HD) Aspect Ratio: 16:9 Contrast Ratio: Varies by model, typically high Brightness: Varies by model, typically over 500 cd/m² Connectivity Hdmi Ports: Multiple (typically 3-4) Usb Ports: Yes (for media playback) Av Input: Yes Component Input: Yes Audio Audio Output Power: Varies by model, typically 10W x 2 Power Power Consumption: Varies by model and screen size Power Supply: AC 100-240V, 50/60Hz 📄 Troubleshooting Common Issues Backlight Problems: Covered in manual Power Supply Issues: Covered in manual Sound Problems: Covered in manual