1. Introduction
This manual provides essential information for the setup, operation, and maintenance of your LG 83-Inch Class OLED evo AI 4K C5 Series Smart TV. Please read this manual thoroughly before using your TV to ensure safe and optimal performance.

Figure 1: Front view of the LG 83-Inch Class OLED evo AI 4K C5 Series Smart TV.
2. Setup
2.1 Unboxing and Included Components
Carefully remove the TV from its packaging. Ensure all components listed below are present:
- LG 83-Inch Class OLED evo AI 4K C5 Series Smart TV
- Magic Remote Control (with 2 AAA batteries)
- Stand (if not wall-mounting)
- Power Cable
- User Manual (this document)
- Quick Start Guide

Figure 2: Product dimensions and contents of the box, including the TV, Magic Remote, and stand.
2.2 Stand Installation / Wall Mounting
For stand installation, follow the instructions provided in the Quick Start Guide. Ensure the stand is securely attached to prevent tipping. For wall mounting, use a VESA-compatible wall mount (sold separately) and consult a professional installer to ensure proper and safe installation. The TV is designed to sit nearly flush against the wall for a sleek appearance.

Figure 3: Side profile of the LG C5 Series TV, highlighting its thin design.
2.3 Connecting Peripherals
Connect your external devices (e.g., cable box, Blu-ray player, gaming console) to the appropriate ports on the rear of the TV. The LG C5 Series features four HDMI 2.1 inputs, supporting advanced features like 4K at 120Hz, VRR, and ALLM for optimal gaming and high-fidelity audio/video. It also includes USB ports, an Ethernet port, and supports Wi-Fi and Bluetooth connectivity.

Figure 4: Close-up of the rear panel connections on the LG C5 Series TV, showing HDMI, USB, and LAN ports.
3. Operating Instructions
3.1 Powering On and Initial Setup
Plug the power cable into the TV and a wall outlet. Press the power button on the remote control to turn on the TV. Follow the on-screen prompts for initial setup, including network connection, channel scanning, and account setup.
3.2 Using the AI Magic Remote
The AI Magic Remote allows for intuitive control of your TV. Use the pointer function to navigate menus, the scroll wheel for quick browsing, and the AI button for voice commands. The remote is designed for easy access to settings and content search.

Figure 5: Features of the LG AI Magic Remote, including point & click, scrolling, and the AI button for voice commands.
3.3 Navigating webOS Smart Platform
Your LG C5 TV runs on the webOS 25 platform, offering a user-friendly interface for streaming services, apps, and live TV. The platform features AI technology for personalized recommendations and easy content discovery. Access over 350 free LG Channels and enjoy future software updates through the webOS Re:New Program.

Figure 6: The LG webOS Smart Platform home screen, displaying various applications and content categories.
3.4 Picture and Sound Settings
The α9 AI Processor Gen8 is the core of your TV's picture and sound optimization. It uses AI-assisted deep learning to adjust settings based on your content and preferences.
- Brightness Booster: Enhances the luminosity of individual pixels for detailed and bright visuals.
- Perfect Black & Perfect Color: With 8.3 million self-lit pixels, experience true blacks and accurate colors, even in bright rooms.
- AI Picture Pro & AI Super Upscaling: Analyzes each frame to enhance resolution, brightness, depth, and clarity, and automatically upscales content to 4K.
- Dolby Vision & Dolby Atmos: Enjoy extraordinary color, contrast, and brightness with Dolby Vision, and immersive sound that fills the room with Dolby Atmos.
- FILMMAKER MODE: Experience movies as the director intended, preserving original aspect ratios, colors, and frame rates.
- Personalized Picture and Sound Wizard: Set up your preferred picture and sound settings based on your favorite images and sound clips, creating a custom-tailored experience.

Figure 7: Diagram illustrating the α9 AI Processor Gen8, responsible for advanced picture and sound processing.

Figure 8: Explanation of Brightness Booster technology, which magnifies individual pixels for luminous quality.

Figure 9: Visual representation of Perfect Black technology, delivering true black levels for enhanced contrast.

Figure 10: Demonstration of Perfect Color technology, ensuring 100% color fidelity and volume for accurate visuals.

Figure 11: AI Picture Pro in action, analyzing and enhancing resolution, brightness, depth, and clarity.
3.5 Gaming Features
The LG C5 Series is optimized for gaming, offering a competitive edge with its advanced features:
- Ultra-Fast Response Time: Enjoy crisp, smooth imagery with a 0.1ms response time.
- High Refresh Rate: Supports up to a 144Hz refresh rate (for PC gaming) and native 120Hz, minimizing blurring and tearing.
- Variable Refresh Rate (VRR): Compatible with NVIDIA G-Sync and AMD FreeSync Premium to further improve gaming quality by synchronizing the display's refresh rate with the GPU.
- HDMI 2.1 Ports: Four HDMI 2.1 inputs allow connection of multiple next-gen gaming devices.
- Game Dashboard & Game Optimizer: Provides quick access to all gaming settings and optimizations, whether you game on consoles or via cloud services.

Figure 12: A gaming setup featuring the LG C5 Series TV, showcasing its immersive gaming capabilities.
3.6 AI Voice ID with My Profile
The TV can recognize your voice and provide tailored content recommendations based on your viewing habits and preferences. This feature enhances the personalized experience of webOS.

Figure 13: The AI Voice ID interface, demonstrating personalized content recommendations based on user profiles.
4. Maintenance
4.1 Screen Care
To clean the screen, gently wipe it with a soft, dry microfiber cloth. For stubborn smudges, lightly dampen the cloth with distilled water. Avoid using harsh chemicals, abrasive materials, or excessive pressure, as these can damage the OLED panel. To prevent image retention (burn-in), avoid displaying static images for extended periods and utilize the TV's built-in screen-saver and pixel-refresh features.
4.2 Software Updates
Your LG C5 TV is part of the webOS Re:New Program, which offers new software updates and feature refreshes for 5 years. Ensure your TV is connected to the internet to receive automatic updates. If auto-update is disabled, you will receive a pop-up notification to accept or deny software updates.
5. Troubleshooting
If you encounter issues with your TV, refer to the following common solutions:
- No Power: Check if the power cable is securely connected to both the TV and the wall outlet. Ensure the outlet is functional.
- No Picture/Sound: Verify that the correct input source is selected. Check all cable connections (HDMI, audio) for looseness or damage.
- Remote Not Responding: Replace the batteries in the Magic Remote. Ensure there are no obstructions between the remote and the TV.
- 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, sharpness). Ensure the content source is high quality.
For more detailed troubleshooting, consult the comprehensive User Guide accessible via the webOS platform or visit the LG support website.
6. Specifications
| Feature | Description |
|---|---|
| Brand | LG |
| Model Number | OLED83C5PUA |
| Screen Size | 83 Inches |
| Display Technology | OLED |
| Resolution | 4K (3840 x 2160) |
| Refresh Rate | Native 120 Hz (up to 144Hz for PC gaming) |
| Processor | α9 AI Processor Gen8 |
| Audio Technology | Dolby Atmos |
| HDR Support | Dolby Vision, HDR10 |
| Gaming Features | 0.1ms Response Time, VRR, NVIDIA G-Sync, AMD FreeSync Premium, ALLM |
| Connectivity | 4x HDMI 2.1, 3x USB 2.0, Ethernet, Wi-Fi, Bluetooth |
| Smart TV Platform | webOS 25 with AI Voice ID, Alexa Built-in, Google Cast |
| Dimensions (W x D x H) | 72.5 x 11.7 x 45 inches (with stand) |
| Item Weight | 72.8 Pounds |
7. Warranty and Support
Your LG 83-Inch Class OLED evo AI 4K C5 Series Smart TV comes with a manufacturer's warranty. Please refer to the warranty card included in your packaging for specific terms and conditions. For technical support, service, or additional information, please visit the official LG Electronics website or contact their customer service. The included User Manual and Quick Start Guide provide further details on product usage and care.
8. Official Product Videos
LG OLED AI B5 Testimonial Video (LG Electronics)
This video from LG Electronics highlights the AI features and OLED technology present in the 2025 LG OLED B5 series, which shares core AI and display advancements with the C5 series.
LG OLED evo AI G5 4K Smart TV 2025 (LG Electronics)
An official video from LG Electronics showcasing the LG OLED evo AI G5 4K Smart TV, demonstrating the advanced picture quality and AI capabilities relevant to the C5 series.
Picture Quality Review (Netjinx)
A seller's review emphasizing the impressive picture quality of the LG C5 Series TV.
Sound and Features Review (Netjinx)
A seller's video highlighting the amazing sound and various features of the LG C5 Series TV.
Sleek Design and 4K Resolution (Favored&Festive)
A seller's perspective on the sleek design and crystal-clear 4K resolution of the LG C5 Series TV.
Customer Review: LG 83-Inch OLED G4 (Caroline)
A customer's review of the LG 83-Inch OLED G4, which shares many core features and design principles with the C5 series, discussing its stunning picture and design.