1. Introduction and Overview
The LG 85 Series 86UN8570PUC Smart 4K UHD TV offers an immersive viewing experience with its advanced features. Equipped with LG ThinQ AI technology and integrated voice assistants like Google Assistant and Alexa, it provides seamless control over compatible connected home devices. Dolby Vision IQ automatically adjusts picture settings based on ambient lighting and content genres, enhancing your cinematic experience. This manual provides detailed instructions for setting up, operating, and maintaining your new LG TV.

Figure 1.1: LG 85 Series 86 inch 4K UHD Smart TV
2. Key Features
- REAL 4K IPS DISPLAY: Experience stunning visuals from nearly every angle. The Real 4K IPS Display widens your viewing angle without compromising color accuracy or detail, delivering pristine color, light, and clarity in every moment.

Figure 2.1: Real 4K IPS Display for clear views
- 7 GEN 3 PROCESSOR 4K: This advanced processor enhances both picture and sound quality. It ensures a better, clearer, and smoother picture, automatically optimizing performance with AI Picture, AI Sound, and 4K Upscaling for an effortless premium experience.

Figure 2.2: 7 Gen 3 Processor 4K
- NATIVE 120Hz REFRESH RATE: Never miss a moment of fast-paced action. The native 120Hz refresh rate reduces blur and sharpens details, providing a smoother look for fast-action movie sequences and lightning-fast sports play from frame to frame.
- FILMMAKER MODE: See content exactly as the creators intended. Filmmaker Mode preserves the original aspect ratios, colors, and frame rates, delivering an authentic cinematic experience.

Figure 2.3: Filmmaker Mode
- WebOS + LG ThinQ AI with Magic Remote: Enjoy intuitive navigation and smart home control. The webOS platform provides easy access to streaming services, while LG ThinQ AI and the Magic Remote allow for voice control and management of compatible connected home devices.
- Cinema HDR with Dolby Vision IQ and Dolby Atmos: Elevate your entertainment with superior HDR. Dolby Vision IQ intelligently adjusts picture settings based on ambient light, and Dolby Atmos delivers immersive, multi-dimensional audio.
3. Setup
3.1 What's in the Box
Upon unboxing your LG 85 Series 86UN8570PUC TV, please ensure all the following components are present:
- LG 86" TV with Stand
- LG Magic Remote
- Power Cable
- E-Manual (Electronic Manual)
3.2 Physical Dimensions
Understanding the dimensions of your TV is crucial for proper placement and installation. The LG 86UN8570PUC TV has the following dimensions:
- TV Dimensions with stand (WxHxD): 76.5" x 46.8" x 13.6"
- TV Dimensions without stand (WxHxD): 76.5" x 44.0" x 3.7"
- Item Weight: 99.2 pounds

Figure 3.1: TV Dimensions
3.3 Connectivity
Your LG TV offers a variety of ports for connecting external devices, ensuring versatile entertainment options. These include HDMI, USB, Ethernet, and more.

Figure 3.2: Rear Connectivity Ports

Figure 3.3: Detailed View of Rear Ports

Figure 3.4: Side Connectivity Ports
4. Operating Instructions
4.1 LG webOS Smart Platform
The LG webOS platform provides a user-friendly interface for accessing a world of entertainment. Navigate effortlessly through your favorite streaming services, apps, and live TV channels.
Video 4.1: What is LG webOS? This video provides an overview of the LG webOS smart TV platform, demonstrating its features and ease of use for accessing various content and applications.

Figure 4.1: LG webOS Interface
4.2 Magic Remote
The LG Magic Remote is designed for intuitive control, allowing you to point, click, scroll, and use voice commands to manage your TV and connected devices.
Video 4.2: LG Magic Remote. This video demonstrates the various functionalities of the LG Magic Remote, including its pointer, scroll wheel, and voice command capabilities.

Figure 4.2: LG Magic Remote
4.3 Voice Assistants (ThinQ AI, Google Assistant, Alexa)
Your LG TV comes with built-in LG ThinQ AI, Google Assistant, and Amazon Alexa. Use the microphone button on your Magic Remote to issue voice commands for searching content, controlling TV functions, or managing smart home devices.
4.4 Sports Alert
Stay updated with your favorite sports teams. The Sports Alert feature allows you to select teams and receive notifications before game starts or when your team scores, ensuring you never miss a crucial moment.

Figure 4.3: Sports Alert Feature
4.5 Art Gallery Mode
Transform your TV into a piece of art. When not actively watching content, Art Gallery mode allows you to display a variety of paintings, photographs, and other beautiful images, seamlessly blending your TV into your home decor.
5. Maintenance
To ensure the longevity and optimal performance of your LG TV, follow these general maintenance guidelines:
- Cleaning: Gently wipe the screen and exterior surfaces with a soft, dry cloth. For stubborn marks, lightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
- Ventilation: Ensure adequate airflow around the TV. Do not block ventilation openings on the back or sides of the TV.
- Power: Unplug the TV from the power outlet during lightning storms or when left unattended for long periods.
- Placement: Avoid placing the TV in direct sunlight or near heat sources.
6. Troubleshooting
If you encounter any issues with your LG TV, refer to the following common troubleshooting tips before contacting customer support:
- No Power: Check if the power cable is securely connected to both the TV and the wall outlet. Try plugging another device into the same outlet to confirm it's working.
- No Picture/Sound: Verify that the correct input source is selected. Check all cable connections (HDMI, AV, etc.) for looseness or damage.
- Remote Not Working: Replace the batteries in the Magic Remote. Ensure there are no obstructions between the remote and the TV's sensor.
- Network Connection Issues: Check your Wi-Fi router and internet connection. Try restarting both the TV and the router.
- Picture Quality Issues: Adjust picture settings (brightness, contrast, color) in the TV menu. Ensure you are viewing 4K content for optimal resolution.
For more detailed troubleshooting or persistent issues, please refer to the comprehensive E-Manual or contact LG Customer Support.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | LG |
| Model Number | 86UN8570PUC |
| Screen Size | 86 Inches |
| Display Technology | LED (IPS Panel) |
| Resolution | 4K UHD (3840 x 2160) |
| Refresh Rate | 120 Hz Native |
| Processor | 7 Gen 3 Processor 4K |
| Smart TV Platform | webOS |
| Voice Assistants | LG ThinQ AI, Google Assistant, Amazon Alexa Built-in |
| HDR Support | Cinema HDR (Dolby Vision IQ, HDR10 Pro, HLG) |
| Audio Technology | Dolby Atmos |
| Speaker Type | Built-In |
| Connectivity | Wireless, Bluetooth, USB, Ethernet, HDMI |
| Product Dimensions (with stand) | 76.5"W x 13.6"D x 46.8"H |
| Item Weight | 99.2 Pounds |
| Color | Black |
| Included Components | Remote Control, Power Cable, E-Manual |
8. Warranty and Support
Your LG 85 Series 86UN8570PUC TV comes with a standard manufacturer's warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included with your product or visit the official LG website.
For technical support, service requests, or any inquiries not covered in this manual, please contact LG Customer Support through their official channels. Have your TV's model number (86UN8570PUC) and serial number ready for faster assistance.