LG EBR79942702 Power Ir Sensor Board 65LX540S-UF

( Brand: Lg ), ( Manufacturer Part Number: EBR79942702 ), ( Compatible Brand: For Lg ), ( Type: Power Button / Ir Sensor Board )

Review LG 65lx540s-uf Power Button Ir Sensor Board

The **LG EBR79942702 65LX540S-UF Power IR Sensor Board** is a high-performance, precision-engineered component designed to enhance the functionality and efficiency of LG s advanced 65-inch OLED TV series, specifically the **LX540S-UF model**. This critical internal module serves as the backbone of the television s infrared (IR) remote control system, ensuring seamless communication between the user and the device while maintaining optimal signal integrity and responsiveness. Crafted with meticulous attention to detail, the sensor board integrates a sophisticated array of infrared receivers and signal processing circuitry, allowing for accurate detection and decoding of remote control signals with minimal latency. Its robust construction features high-quality, low-reflective materials and precision-molded components to maximize sensitivity and reduce interference, even in environments with ambient light or competing electronic signals. The board s compact yet durable design ensures a secure fit within the TV s housing, contributing to the overall reliability and longevity of the unit. Whether enabling intuitive navigation through menus, activating smart features, or facilitating voice command integration, this sensor board plays an indispensable role in delivering a smooth, user-centric viewing experience. For technicians and enthusiasts alike, its specialized design underscores LG s commitment to innovation in both form and function, making it an essential component for maintaining the cutting-edge performance of this premium OLED television.

The LG EBR79942702 (65LX540S-UF) is a **Power IR Sensor Board**, a critical component for the **LG 65LX540S-UF OLED TV**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a LG EBR79942702 Power IR Sensor Board**

1. **Direct Compatibility** This is the **exact replacement part** for the LG 65LX540S-UF model, ensuring a perfect fit without modification. It is manufactured by LG or an authorized supplier, reducing the risk of incompatibility issues.

2. **Reliability and Quality** LG is known for producing high-quality electronics, and this sensor board is designed to function seamlessly with the TV s remote control and power functions. A genuine or high-quality aftermarket part minimizes the risk of early failure.

3. **Prevents Remote Control Issues** The IR sensor board controls the TV s response to the remote. If faulty, it can cause **remote lag, unresponsiveness, or complete failure to power on/off**. Replacing it restores full functionality.

4. **Prevents Power Cycle Problems** Some IR sensor failures can cause the TV to **randomly turn off or fail to power on**, even when the remote is working. Replacing it resolves these intermittent issues.

5. **Long-Term Solution** Unlike temporary fixes (e.g., cleaning contacts or resetting the TV), replacing the sensor board provides a **permanent solution** to the underlying hardware failure.

6. **Warranty Coverage (If Applicable)** If the TV is still under warranty or the sensor board is purchased from an authorized seller, you may qualify for **extended warranty support** or returns.

7. **Ease of Installation** The sensor board is relatively straightforward to replace, especially for those with basic electronics repair experience. LG provides **detailed replacement guides**, and the part is typically accessible without disassembling the entire TV.

8. **Cost-Effective Alternative to TV Replacement** Replacing a single sensor board (typically **$50 $150**, depending on the source) is far cheaper than buying a new TV, especially for a mid-to-high-end model like the LG OLED.

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### **Cons of buying a LG EBR79942702 Power IR Sensor Board**

1. **Cost** The part is **not cheap**, ranging from **$50 to $150 ** depending on the seller (official LG, authorized resellers, or third-party marketplaces). This can be a significant expense if the TV is older or has other issues.

2. **Potential Counterfeit Parts** If purchasing from **unverified sellers** (e.g., eBay, Amazon third-party, or unknown online stores), there is a risk of receiving a **counterfeit or low-quality replacement**. This could lead to **further failures or compatibility issues**.

3. **DIY Repair Risk** While the replacement is manageable for experienced users, **incorrect handling** (e.g., damaging the IR sensor, misaligning connectors, or improper soldering) can **permanently damage the TV**. Professional repair may be necessary, adding to costs.

4. **TV May Have Underlying Issues** If the IR sensor board failure is due to **water damage, electrical surges, or other internal problems**, replacing just the sensor may not fully resolve the issue. The TV might still experience **short-term failures** if other components are degraded.

5. **Limited Availability** Since this is a **specific OLED model**, finding the exact part may be difficult if purchasing from non-LG sources. Some sellers may stock outdated or incorrect variants.

6. **Time-Consuming Process** Replacing the sensor board requires **disassembling part of the TV s back panel**, which can take **30 minutes to a few hours** depending on skill level. This downtime means the TV will be out of service during the repair.

7. **No Guarantee on Longevity** Even with a genuine part, **wear and tear on other components** (e.g., the TV s power board, backlight, or OLED panels) could lead to **future failures**. The sensor board replacement is a stopgap, not a guarantee of long-term TV health.

8. **Environmental Concerns** OLED TVs contain **delicate components** that can be damaged by improper handling (e.g., static electricity, physical stress). If the repair is not done carefully, it could **void warranty claims** or cause **permanent damage**.

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### **Conclusion**

The **LG EBR79942702 Power IR Sensor Board** is a **necessary replacement** if your **LG 65LX540S-UF TV** is experiencing **remote control failure, power-on issues, or intermittent shutdowns**. The part is **directly compatible**, ensuring reliability if sourced correctly. However, the **cost, risk of counterfeit parts, and potential DIY challenges** must be carefully considered.

If the TV is **otherwise in good condition**, replacing the sensor board is a **cost-effective solution** that restores functionality without requiring a full TV replacement. However, if the TV has **multiple failures or is very old**, the repair may not be worth the investment compared to upgrading to a newer model.

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### **Recommendation**

1. **Verify the Part Number** Ensure you are purchasing the **exact LG EBR79942702** (or a **LG-authorized equivalent**) to avoid counterfeit parts. Check the **LG Parts Catalog** or contact an **authorized LG service center** for confirmation.

2. **Purchase from a Trusted Source**

- **Official LG Parts Store** (if available)

- **Authorized electronics repair shops**

- **Reputable online marketplaces** (e.g., Newegg, Amazon with verified sellers, or specialized TV repair sites)

- Avoid **unknown sellers** on eBay, AliExpress, or random Facebook Marketplace listings.

3. **Consider Professional Repair** If you are **not comfortable with electronics repairs**, take the TV to an **LG-certified technician** or a **TV repair specialist**. They can ensure proper installation and may offer **warranty or labor guarantees**.

4. **Check for Underlying Issues** Before purchasing the part, test the TV for **other potential problems** (e.g., backlight failure, audio issues, or physical damage). If the TV has **multiple failures**, repair may not be cost-effective.

5. **Weigh Cost vs. TV Value**

- If the TV is **new or in excellent condition**, replacing the sensor board is **worthwhile**.

- If the TV is **older (5 years) or has other issues**, consider whether **repair is better than upgrading** to a newer model with better features and reliability.

6. **Follow Repair Guides Carefully** If attempting a **DIY replacement**, use **official LG repair manuals** or **trusted video guides** (e.g., from iFixit or LG s support site). Take **precautions against static electricity** and handle the TV gently.

### **Final Verdict**

- Your TV has **confirmed IR sensor or power control issues**.

- You are **sure of the part s authenticity** and **comfortable with the repair**.

- The TV is **otherwise in good working condition**.

- You cannot **verify the part s legitimacy**.

- The TV has **multiple major failures** beyond the sensor board.

- You are **not confident in your ability to install it correctly**.

For most users, **purchasing from an authorized source and either DIYing or hiring a professional** is the best approach to ensure a **successful and long-lasting repair**.

Details:

The product is a power button/IR sensor board designed specifically for LG TVs, with model number of EBR79942702. This essential component allows for the easy operation of TVs power function, providing convenience and reliability users.tested. It is compatible only with LG brand televisions, ensuring a perfect fit and functionality.

part #: ebr79942702 prices

• $9.98-$15.95

specifications tvboardgo:

• brand: Lg
• mpn: Ebr79942702
• compatible brand: For Lg
• type: Power Button / Ir Sensor Board

general tvboardgo:

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

payments tvboardgo:

• other
• wallet: Google-pay
• credit card: Diners-club

returns tvboardgo:

• policy: No Returns

seller tvboardgo:

• # reviews: 278
• city: Orlando, Florida
• rating: 100.0%

offer tvboardgo:

• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: May 15, 2026

shipping tvboardgo:

• cost: $5.72
• service: USPS Ground Advantage
• transit: 4-11 Days
• class: Standard
• carrier: USPS
• type: Calculated

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