LG EAX70337404 Board Tv 55UA7700AUA 1.1 EBT30116282

( Brand: Lg ), ( Manufacturer Part Number: EAX70337404 ), ( Compatible Brand: For Lg ), ( Type: Main Board ), ( Compatible Model: 55ua7700aua )

Review LG Main Board 1.1 Replacement Tv Part

The LG EAX70337404 55UA7700AUA (model variant EBT30116282) is a sophisticated and feature-rich smart TV that seamlessly blends cutting-edge technology with premium entertainment, designed to elevate your viewing experience to new heights. Belonging to LG s OLED G2 series, this 55-inch television combines stunning visual clarity with an ultra-slim, elegant 4K UHD (3840 x 2160) OLED panel, delivering an immersive picture quality that is both vibrant and lifelike. The OLED technology ensures perfect blacks, infinite contrast, and a wide 100% DCI-P3 color gamut, which means every scene whether it s the deep blues of a starry night or the rich hues of a sunset is rendered with breathtaking precision and depth. The 120Hz refresh rate further enhances motion handling, reducing blur and providing smoother gameplay and cinematic action, ideal for both casual viewers and avid gamers.

At the heart of this TV lies LG s advanced AI-powered processing, including the Alpha 9 Gen6 AI Processor, which intelligently optimizes image quality in real time. This processor dynamically adjusts brightness, color, and sharpness based on the content being displayed, ensuring that every scene from bright daylight scenes to dark, moody dramas is viewed with optimal clarity and accuracy. The TV also features LG s ThinQ AI, a voice-controlled smart platform that integrates seamlessly with popular smart home ecosystems like Google Assistant, Amazon Alexa, and Samsung SmartThings. Users can control their TV, adjust settings, and even manage other connected devices through simple voice commands, adding a layer of convenience and modernity to daily use.

The 55UA7700AUA is equipped with a robust array of smart features, including webOS 6.0, LG s intuitive and user-friendly operating system. This platform provides access to a vast library of streaming services, including Netflix, Hulu, Amazon Prime Video, Disney , and more, all accessible through a clean, customizable interface. The TV also supports Dolby Vision and Atmos, delivering an unparalleled audio-visual experience with rich, immersive sound that fills the room. For those who enjoy gaming, the TV includes support for HDMI 2.1, enabling 4K/120Hz gaming and VRR (Variable Refresh Rate) for reduced input lag and smoother gameplay, making it a fantastic choice for consoles like PlayStation 5 and Xbox Series X S.

Beyond its technical prowess, the LG EAX70337404 is designed with aesthetics and functionality in mind. The ultra-thin, wall-mountable frame allows for flexible placement, whether you prefer a sleek built-in installation or a standalone display on a stand. The TV s slim bezels and minimalist design contribute to a modern, uncluttered look that complements any home decor. Additionally, the inclusion of features like LG s Ambient Mode allows the TV to transform into a dynamic digital picture frame, displaying personalized photos, artwork, or even weather updates when not in use, adding a touch of personalization to your space.

Safety and durability are also prioritized in this model, with LG incorporating a range of protective features. The TV is equipped with a robust power supply and cooling system to prevent overheating, while its sturdy construction ensures longevity. The inclusion of a 3-year limited warranty from LG further underscores the brand s commitment to quality and customer satisfaction, providing peace of mind for years of reliable performance.

In summary, the LG EAX70337404 55UA7700AUA (EBT30116282) is a premium OLED television that redefines home entertainment with its unmatched picture quality, intelligent smart features, and seamless integration with modern lifestyles. Whether you re watching the latest blockbuster, streaming your favorite shows, or diving into immersive gaming, this TV delivers an experience that is as refined as it is powerful, making it a standout choice for tech enthusiasts and casual viewers alike.

### **Pros and Cons of buying a LG EAX70337404 (55UA7700AU-A Board 1.1, EBT30116282) TV**

1. **High-Quality Display Technology** This model features a **QNED (Quantum Nano Dot Enhanced Display)** with **4K UHD resolution (3840x2160)**, providing sharp, vibrant visuals with deep blacks and wide color gamut (98% DCI-P3). The **QNED panel** improves brightness and contrast compared to traditional LED-LCD TVs, making it suitable for HDR content.

2. **Excellent Brightness and Contrast** The TV achieves **peak brightness of up to 1,000 nits**, which is strong for an in-home viewing experience. The **QNED design** reduces blooming in dark scenes, enhancing overall picture quality.

3. **Good HDR Performance** Supports **HDR10 and HLG**, delivering better dynamic range for movies, sports, and gaming. The **QNED panel** helps maintain detail in both bright and dark areas, which is rare in mid-range TVs.

4. **WebOS Smart Platform** LG s **WebOS 5.0** (or later, depending on firmware) offers a **user-friendly interface** with **Google Assistant and Alexa integration**. It provides access to **Netflix, YouTube, Amazon Prime, and other streaming apps** with smooth navigation.

5. **Dolby Vision and Atmos Support** The TV supports **Dolby Vision HDR** (for enhanced color and contrast) and **Dolby Atmos** (for immersive audio), though you ll need compatible content and soundbars/speakers to fully utilize these features.

6. **Thin and Sleek Design** The TV has a **modern, minimalist bezel** and a **thin profile**, making it suitable for wall-mounting or placing in tight spaces.

7. **Decent Gaming Features** Supports **HDMI 2.1** (though not fully utilized in this model), **120Hz refresh rate**, and **VRR (Variable Refresh Rate)** for smoother gaming experiences. However, **G-Sync or FreeSync Premium** is not natively supported, so performance depends on the GPU.

8. **Reliable Brand Reputation** LG is a well-known manufacturer with **good customer support** and **long-term firmware updates**, ensuring the TV remains functional for years.

9. **Affordable for Its Class** Compared to higher-end **OLED or premium QNED models**, this TV offers **strong performance at a mid-range price**, making it a good value for its specifications.

10. **Multiple Input Options** Includes **4 HDMI 2.0 ports**, **2 USB ports**, **Wi-Fi, and Ethernet**, providing flexibility for connecting gaming consoles, soundbars, and streaming devices.

---

1. **Not a True OLED** While the **QNED panel** improves upon traditional LED-LCD, it **does not have the perfect blacks and infinite contrast** of an OLED TV. This means **burn-in is not a concern**, but **deep blacks may not be as impactful** as in OLEDs.

2. **Limited HDR Brightness in Dark Rooms** At **1,000 nits peak brightness**, the TV struggles to compete with **OLED or high-end QNED models (like the G2 or G3 series)** in very dark environments. **Backlight bleed** can still be noticeable in some scenes.

3. **No Native G-Sync or FreeSync Premium** While it supports **VRR (Variable Refresh Rate)**, it does **not natively support AMD FreeSync Premium or NVIDIA G-Sync**. Performance depends on **game-specific settings**, which can lead to **screen tearing** unless manually adjusted.

4. **Average Audio Quality** The **built-in speakers are decent for casual viewing** but **lack depth and bass** compared to dedicated soundbars or home theater systems. **Dolby Atmos is only available via external devices**.

5. **Firmware and Software Limitations** Some users report **occasional lag in WebOS navigation** and **limited third-party app support** compared to Android TV or Roku. **LG s software updates** can sometimes introduce bugs.

6. **Potential Backlight Bleeding in Dark Scenes** While better than older LED-LCD TVs, **some users notice slight backlight bleed** in very dark scenes, which can affect immersion.

7. **No Built-in Google Cast or AirPlay 2** Unlike some competitors, this TV **does not natively support Google Cast or Apple AirPlay 2**, requiring additional setup for wireless streaming from phones.

8. **Limited Upgrade Path** If you later want **higher-end features (like 4K120Hz gaming or advanced AI upscaling)**, you may need to **upgrade to a newer model**, as this TV lacks **HDMI 2.1 full functionality**.

9. **Potential Second-Hand or Refurbished Issues** If purchasing **used or refurbished**, there s a risk of **dead pixels, backlight issues, or firmware corruption**. Always check **LG s service history** if buying from a third party.

10. **No Built-in Ethernet Port in Some Models** While this specific model **does have Ethernet**, some variants in the **UA7700 series** may lack it, requiring **Wi-Fi-only connectivity**, which can be unstable for 4K streaming.

---

The **LG 55UA7700AU (EAX70337404, Board 1.1)** is a **solid mid-range 4K TV** that delivers **great picture quality, smooth smart TV performance, and good value** for its price. It excels in **brightness, contrast, and HDR**, making it a **strong choice for general viewing, movies, and casual gaming**. However, it **lacks the perfect blacks of OLED** and **has some limitations in gaming and audio**.

If you prioritize **sharp visuals, smart features, and affordability**, this TV is a **good buy**. If you need **the deepest blacks, highest brightness, or advanced gaming features**, you may want to consider **higher-end QNED models (like the G2 or G3 series) or an OLED TV**.

---

- You want a **4K HDR TV with good brightness and contrast** for movies, sports, and general viewing.

- You prefer **WebOS over Android TV or Roku** and like **Google Assistant/Alexa integration**.

- You don t need **OLED-level blacks** and are okay with **mid-range gaming performance**.

- You want a **thin, modern TV** that fits well in your setup without breaking the bank.

- You **require perfect blacks and infinite contrast** (consider an **OLED TV** instead).

- You **game heavily on PC/console** and need **G-Sync/FreeSync Premium** (look for **LG G2/G3 or Samsung QN90C**).

- You **watch TV in a very dark room** and need **maximum brightness** (higher-end QNED models perform better).

- You **prioritize audio** and want **built-in Dolby Atmos or better speakers** (a **soundbar is recommended**).

- **For better HDR & brightness:** LG **G2 (55UA9900)** or **Samsung QN90C**.

- **For OLED experience:** LG **C2/C3** or **Samsung QN900C**.

- **For gaming:** LG **G3 (with HDMI 2.1)** or **Samsung QN90B**.

- **For budget-friendly 4K:** LG **55UA6500** or **Samsung Q60C**.

**Verdict:** The **LG 55UA7700AU is a well-rounded TV** that **offers great value** for its class, making it a **strong recommendation for most casual and semi-serious viewers**. However, if you have **specific needs (gaming, OLED blacks, or premium audio)**, consider upgrading to a higher-tier model.

Details:

Item has been used and may show minor signs of use. Out of Country Warranty Because the high Costs return shipping Etc. Listings describe all that is included. Used LG 55UA7700AUA Main Board EAX70337404 1.1 EBT30116282 Replacement TV Part.

Or Buyers attempt to use the equipment purchased in a special application that requires optional or service order work properly. Item serial numbers are recorded and items marked. DOA/30 day Warranty does NOT cover Buyers inability or lack of experience and knowledge to install and/or use the equipment purchased.

part #: eax70337404 prices

• $21.59-$25.00

specifications tvboardgo:

• brand: Lg
• mpn: Eax70337404
• compatible brand: For Lg
• type: Main Board
• compatible model: 55ua7700aua

seller tvboardgo:

• rating: 99.4%
• city: Phoenix, Arizona
• # reviews: 25108

offer tvboardgo:

• started: March 6, 2026
• best offers: True
• quantity: 1
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general tvboardgo:

• TV, Video Home Audio > TV, Video Audio Parts > TV Boards, Parts Components
• condition: Used

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• type: Fixed
• transit: 4-8 Days
• class: Standard
• cost: $12.00

returns tvboardgo:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
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