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General| Screen Size | 49 inches |
|---|---|
| Resolution | 3840 x 2160 (4K UHD) |
| Smart TV | Yes |
| Operating System | Tizen |
| Audio Output | 20W |
| HDMI Ports | 3 |
| USB Ports | 2 |
| Wi-Fi | Yes |
| Display Technology | LED |
| Refresh Rate | 60Hz |
| Ethernet | Yes |
| Bluetooth | No |
| HDR | HDR10+ |
General safety, servicing, and ESD precautions for electrical shock hazards.
Precautions for servicing units, including capacitor handling and insulation checks.
Techniques to prevent component damage from static electricity during handling.
Safety precautions related to product installation, ventilation, and battery handling.
Details on model, dimensions, and color of the TV.
Detailed specifications for the UE49NU7172UXXH model, covering display, video, audio, and smart features.
List of accessories included with the TV, with their part numbers.
Overview of smart TV functions like Universal Guide and intelligent content recommendations.
Explanation of the buttons and functions on the TV remote control.
Steps for disassembling the TV, including removing the rear cover and stand.
Procedures for testing power-related functions and checking LED status.
Troubleshooting steps for video issues, including customer picture tests and board checks.
Troubleshooting audio issues related to the One Connect Mini, Main Board, and speakers.
Troubleshooting network connectivity failures between TV, router, and internet.
Troubleshooting Smart Hub connection issues, DNS, ISP blocking, and app loading problems.
Instructions for entering factory mode using remote controls and important settings.
Detailed procedures for adjusting factory settings like type, local set, and options.
Steps and crucial values to input in factory menu after replacing the main board.
Procedure for calibrating white balance, including color calibration steps.
Diagnostic methods using LED flashing codes to identify defect blocks.
Methods for updating TV software via USB or online connection.
Visual representation of wiring connections for 49/55/58/65 inch models.
Detailed pin map and connections for the Main Board.
Detailed pin map and connections for the SMPS Board (49/55/58 inch models).
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