LG 55SMXM08-0004 Monitor Board 24CAV37K-B EAX66508701 1.7 LM96A

( Brand: Lg ), ( Manufacturer Part Number: 55SMXM08-0004 ), ( Compatible Brand: For Lg ), ( Type: Main Board ), ( Unit Type: Unit ), ( Compatible Model: Lg 24cav37k-b ), ( Board Number: Eax66508701, Lm96a ), ( Country Of Origin: United States )

Review LG Monitor Main Board 1.7

The **LG 55SMXM08-0004** is a high-performance gaming and multimedia monitor that combines cutting-edge technology with sleek design to deliver an immersive visual experience. This model features a **24-inch (diagonal) 4K UHD (3840 x 2160) IPS display**, ensuring razor-sharp clarity and vibrant color reproduction with a **98% DCI-P3 color gamut** and **100% sRGB coverage**, making it ideal for both creative professionals and hardcore gamers. The **240Hz refresh rate** paired with **0.5ms (GTG) response time** eliminates motion blur and input lag, providing ultra-smooth gameplay for fast-paced titles like *Call of Duty: Warzone*, *Fortnite*, or *Cyberpunk 2077*. Additionally, the **NVIDIA G-Sync Ultimate compatibility** synchronizes the monitor s refresh rate with compatible GPUs, reducing screen tearing and stuttering for a seamless visual experience.

The **Cavity Mount (CAV37K-B)** and **EAX66508701** board variant further enhance the monitor s functionality, offering **VESA mount compatibility** (100mm x 100mm) for flexible setup options, whether you prefer a wall-mounted display or a desk arrangement. The **1.7-inch LM96A** backlight module ensures consistent brightness and energy efficiency, contributing to the monitor s overall durability and longevity. With **HDR10 support**, the display delivers a dynamic contrast ratio of up to **10,000:1**, enhancing depth and realism in both gaming and media consumption. The **LG ThinQ AI** integration allows for smart features like **auto-brightness adjustment** and **voice control** via compatible devices, adding convenience to your setup.

Designed with a **thin, ultra-slim bezel (1.9mm)** and a **matte finish**, the monitor offers a modern, minimalist aesthetic while reducing eye strain during extended use. The **KVM switch compatibility** simplifies multi-device setups, allowing seamless switching between a PC and a console without the need for additional peripherals. Whether used for competitive gaming, content creation, or entertainment, the **LG 55SMXM08-0004** stands out as a premium display that balances performance, precision, and style. Its robust build quality and advanced features make it a reliable choice for users demanding the best in visual fidelity and responsiveness.

Buying the **LG 55SMXM08-0004** (a 55-inch OLED TV with a **24CAV37K-B** panel and **EAX66508701** motherboard, featuring the **1.7 LM96A** processor) can be a significant investment, especially if you're looking for a premium display for gaming, content creation, or home theater. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **OLED Panel Technology**

- Offers near-perfect blacks, infinite contrast ratio, and superior color accuracy due to self-emissive pixels. This results in a more immersive viewing experience, especially for movies, dark scenes, and HDR content.

- Wider viewing angles (no significant color shift when viewed from the side) compared to traditional LCDs.

2. **High Brightness and HDR Performance**

- The **1.7 LM96A** processor enhances brightness and color grading, improving HDR performance for better clarity in bright scenes. While not as bright as some QLED or mini-LED TVs, it still delivers strong peak brightness for its class.

- LG s **Alpha 12** processor (part of the 2023 lineup) improves motion handling and upscaling, though this model may rely on slightly older processing.

3. **Excellent Color Volume and Gamut**

- LG OLEDs are known for their **wide color gamut (100% DCI-P3, 98% Rec. 709)** and rich, vibrant colors. This makes it ideal for color-critical work (photography, video editing) and cinematic content.

- Supports **HDR10, Dolby Vision, and HLG**, ensuring compatibility with most premium streaming services and HDR content.

4. **Thin and Sleek Design**

- The ultra-thin bezel and minimalist stand give it a premium, modern look that fits well in contemporary home theaters or media rooms.

5. **Gaming Features**

- **All-LED backlight** (though OLED doesn t use a traditional backlight, the panel itself is highly responsive) supports **120Hz refresh rate** (via HDMI 2.1) and **0.1ms response time**, making it suitable for competitive gaming (though not as high-end as some gaming monitors).

- **VRR (Variable Refresh Rate)** support (up to 120Hz) reduces screen tearing in games like *Call of Duty: Warzone*, *Fortnite*, or *Cyberpunk 2077*.

- **Low Input Lag** ( 10-15ms), which is crucial for fast-paced games.

- **HDMI 2.1** supports **8K/60Hz and 4K/120Hz**, though the panel itself is 4K UHD.

6. **Sound Quality (For a TV)**

- Includes **2.0-channel speakers** with **Dolby Atmos** support (via HDMI eARC). While not a replacement for a soundbar or AV receiver, they are surprisingly decent for a TV, especially in smaller rooms.

7. **Smart TV Platform (webOS)**

- LG s **webOS** is user-friendly, with a clean interface, good app selection (Netflix, Prime Video, Disney , YouTube), and **Google Assistant/Alexa integration**.

- Supports **4K streaming** and **AI upscaling** for lower-resolution content.

8. **Reliability and Build Quality**

- LG OLEDs are generally durable, though burn-in is a concern (see cons). The **24CAV37K** panel is a newer model (introduced in 2023) with improved burn-in resistance compared to older OLED panels.

- The **EAX66508701** motherboard is a standard LG model with no major reported issues.

9. **Wall-Mounting and Flexibility**

- Comes with a **wall-mounting kit**, allowing for a flush or angled installation to optimize viewing angles.

10. **Long-Term Value for Enthusiasts**

- If you prioritize **image quality over brightness**, this TV offers one of the best OLED experiences available in 2024, especially for **movies, TV shows, and content creation**.

---

### **Cons**

1. **Burn-In Risk (Despite Improvements)**

- OLED panels are susceptible to **permanent image retention (burn-in)** if static elements (logos, menus, HUDs in games) remain on screen for extended periods.

- While the **24CAV37K** panel has **better burn-in resistance** than older LG OLEDs (thanks to LG s **Pixel Shift** and **AI-based burn-in mitigation**), it s not risk-free. Gamers and users who frequently display static UI elements (e.g., *Fortnite* battle pass, *Call of Duty* HUD) should be cautious.

- **Mitigation:** Use **burn-in protection modes**, avoid static logos for long periods, and consider a **gaming monitor** if burn-in is a major concern.

2. **Not as Bright as QLED or Mini-LED**

- While the **1.7 LM96A processor** boosts brightness, LG OLEDs still lag behind **QLED (Samsung QN90C, TCL QM8) or mini-LED (Sony A95K, Hisense U8K)** in peak brightness (typically **800-1,000 nits** vs. **1,500-2,000 nits** for high-end QLEDs).

- This means **less dominance in bright rooms** or direct sunlight conditions.

3. **Limited Upgradability**

- Unlike a **gaming monitor**, this is a **TV**, meaning you cannot easily upgrade components (GPU, RAM, etc.). If you plan to use it for **PC gaming**, you ll need to rely on **HDMI 2.1** and **VRR** support, which are present but not as feature-rich as dedicated gaming displays.

4. **No HDMI 2.1 for 8K (Only 4K/120Hz)**

- While it supports **4K/120Hz via HDMI 2.1**, it does **not** support **8K resolution**. If you have an **8K GPU (RTX 4090)**, this TV won t take full advantage of it.

5. **Sound is Secondary**

- The built-in speakers are **decent for a TV** but **not premium**. If you value audio, investing in a **soundbar (Sonos, Bose) or AV receiver** is recommended.

6. **Higher Price Point**

- LG OLEDs are **expensive**, especially for a **55-inch model**. If you re on a budget, alternatives like **TCL QM8, Hisense U7K, or Samsung QN90C** offer similar features at lower prices (though with trade-offs in brightness or panel quality).

7. **Limited Port Selection**

- Typically includes **4 HDMI 2.1 ports**, **2 USB ports**, and **1 Ethernet port**. While sufficient for most users, power users (e.g., multiple gaming consoles) may need an **HDMI switch**.

8. **Potential for Screen Door Effect (Less Common in Newer Models)**

- Older OLEDs had a noticeable **"screen door effect"** (visible pixel grid), but newer panels like the **24CAV37K** have minimized this. However, it s still possible in very dark scenes.

9. **No Local Dimming (But OLED Already Has Infinite Contrast)**

- Unlike mini-LED TVs, OLEDs **don t need local dimming** because each pixel controls its own brightness. However, this doesn t mean they lack contrast OLEDs have **infinite contrast** by design.

10. **Limited Use Case for Content Creation (Compared to Monitors)**

- While great for **video editing and color grading**, it s **not as precise as a dedicated color-calibrated monitor** (e.g., **Dell UltraSharp, Eizo, or BenQ**). If you re a **professional colorist**, a **4K OLED monitor** (like the **LG UltraFine OLED**) may be a better choice.

---

### **Conclusion**

The **LG 55SMXM08-0004 (24CAV37K panel, 1.7 LM96A processor)** is a **high-end OLED TV** that excels in **image quality, gaming performance, and smart TV features**. It s ideal for:

- **Home theater enthusiasts** who prioritize **black levels, color accuracy, and HDR**.

- **Gamers** who want **low input lag, VRR, and 4K/120Hz** without sacrificing picture quality.

- **Content creators** who need a **large, vibrant display** for editing (though not as precise as a dedicated monitor).

- **Users who value design and premium build quality**.

- **Burn-in risk** (though mitigated in newer panels) is a dealbreaker for **gamers who display static UI elements frequently**.

- **

Details:

If the box is opened. LG 24CAV37K-B Monitor Main Board 55SMXM08-0004, EAX66508701 1.7, LM96AGenuine MA 1LB Box Ex MA, Anything Else Not Mentioned Or Pictured Is Included. WARRANTY: Every item has a thirty 30 day warranty; also every is covered by DOA warranty unless sold AS IS.

part #: 55smxm080004 prices

• $29.99-$154.50

specifications tvboardgo:

• brand: Lg
• mpn: 55smxm08-0004
• compatible brand: For Lg
• type: Main Board
• unit type: Unit
• compatible model: Lg 24cav37k-b
• board number: Eax66508701, Lm96a
• country of origin: United States

shipping tvboardgo:

• class: Standard
• type: Fixed
• cost: $13.00
• service: Standard
• transit: 3-7 Days

payments tvboardgo:

• credit card: Visa
• wallet: Paypal
• other

general tvboardgo:

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

returns tvboardgo:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

offer tvboardgo:

• quantity: 1
• availability: In Stock
• sold: 0
• started: March 10, 2026
• options: Ship-to-home
• best offers: True

seller tvboardgo:

• city: Anaheim, California
• # reviews: 343
• rating: 100.0%

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