1. Introduction
This manual provides essential information for the safe and efficient use of your LG 43UK6090PUA 43-inch 4K HDR Smart LED UHD TV. Please read it thoroughly before operating the television and retain it for future reference. This television features 4K Ultra HD resolution, 4K Active HDR, built-in Wi-Fi and Ethernet connectivity, and support for Google Assistant and Alexa.

Figure 1.1: Front view of the LG 43UK6090PUA TV.
2. What's in the Box
Verify that all components are present before proceeding with the setup. The package should contain the following items:
- LG 43UK6090PUA 43-inch 4K HDR Smart LED UHD TV
- Remote Control
- Power Cord
- Stand Base and Screws
- User Manual (this document)
3. Setup
3.1 Attaching the Stand
- Carefully place the TV screen-down on a soft, flat surface to prevent damage.
- Align the stand base with the mounting holes on the bottom of the TV.
- Secure the stand using the provided screws. Ensure the stand is firmly attached.
3.2 Wall Mounting (Optional)
If you intend to wall mount your TV, refer to the instructions provided with your wall mount kit. Ensure the wall mount is compatible with VESA standard 200x200mm. Disconnect the stand before wall mounting.
3.3 Connecting External Devices
Connect your external devices such as Blu-ray players, game consoles, or cable boxes to the appropriate ports on the back of the TV. This model includes 3 HDMI ports and 2 USB ports.

Figure 3.1: Rear panel connections of the LG 43UK6090PUA TV.
3.4 Power On and Initial Setup
- Connect the power cord to the TV and then to a wall outlet.
- Press the power button on the remote control or on the TV.
- Follow the on-screen instructions to complete the initial setup, including language selection, network connection (Wi-Fi or Ethernet), and channel scanning.
4. Operating
4.1 Remote Control Functions
The remote control allows you to navigate the TV's features. Key functions include:
- Power: Turns the TV on or off.
- Input: Selects the input source (HDMI, USB, TV).
- Navigation Buttons: Up, Down, Left, Right, and OK for menu navigation.
- Volume +/-: Adjusts the volume level.
- Channel +/-: Changes TV channels.
- Smart Home Button: Accesses the Smart TV home screen.
- Voice Control: Activates Google Assistant or Alexa for voice commands.
4.2 Smart TV Features
Your LG TV is equipped with a Smart TV platform, providing access to various applications and a full web browser. Ensure your TV is connected to the internet for these features to function.
- LG Content Store: Download and install various streaming applications.
- Web Browser: Browse the internet directly from your TV.
- Voice Assistants: Use Google Assistant or Alexa for hands-free control, searching for content, and managing smart home devices.
4.3 Picture and Sound Settings
Access the TV's settings menu to customize picture and sound modes. Options include various picture presets (e.g., Vivid, Standard, Cinema, Game) and sound modes (e.g., Standard, Cinema, Music, Sports).
5. Maintenance
5.1 Cleaning the Screen
To clean the screen, gently wipe it with a soft, dry, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a specialized screen cleaner. Avoid using harsh chemicals, abrasive materials, or direct spraying of liquids onto the screen.
5.2 Cleaning the Casing
Wipe the TV casing with a soft, dry cloth. Do not use solvents or petroleum-based cleaners, as these can damage the finish.
5.3 General Care
- Avoid placing the TV in direct sunlight or near heat sources.
- Ensure adequate ventilation around the TV.
- Unplug the TV during lightning storms or when it will be unused for extended periods.
6. Troubleshooting
If you encounter issues with your TV, refer to the following common solutions:
- No Power: Check if the power cord is securely connected to both the TV and the wall outlet. Try a different outlet.
- No Picture/Sound: Verify the correct input source is selected. Check all cable connections to external devices.
- Poor Picture Quality: Adjust picture settings. Ensure the input source is providing a high-quality signal.
- No Internet Connection: Check your Wi-Fi router or Ethernet cable connection. Restart your router and TV.
- Remote Control Not Working: Replace the batteries. Ensure there are no obstructions between the remote and the TV's sensor.
For more complex issues, consult the LG support website or contact customer service.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | LG |
| Model Number | 43UK6090 |
| Screen Size | 43 Inches |
| Display Technology | LED |
| Resolution | 4K Ultra HD (3840 x 2160) |
| HDR Support | 4K Active HDR |
| Refresh Rate | 60Hz (TruMotion 120) |
| Connectivity | Wi-Fi, Ethernet |
| HDMI Ports | 3 |
| USB Ports | 2 |
| Smart Features | LG Content Store, Web Browser, Google Assistant, Alexa |
| Dimensions (with stand) | 38.5 x 8.8 x 24.8 inches |
| Item Weight | 23.1 pounds |
| Power Consumption | 60.0 watts (On-mode) |
8. Warranty and Support
8.1 Product Warranty
Your LG TV is covered by a limited manufacturer's warranty. Please refer to the warranty card included with your product for specific terms, conditions, and duration. Retain your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty service, please contact LG Customer Support. Visit the official LG website for contact information, service centers, and additional resources.
LG Official Website: www.lg.com