LG EBR71727801 Ausllhr Logic Control Board 50PV400-UB.AUSLLHR EAX62076701

( Brand: Lg ), ( Manufacturer Part Number: EBR71727801 ), ( Compatible Brand: For Lg ), ( Type: Logic Control Board ), ( Compatible Model: 50pv400-ub.ausllhr )

Review LG Logic Control Board

The **LG EBR71727801 50PV400-UB.AUSLLHR Logic Control Board (EAX62076701)** is a high-performance, industrial-grade electronic module designed to serve as the central nervous system for advanced automation and control systems in commercial and industrial refrigeration applications. Engineered with precision and reliability in mind, this board integrates sophisticated logic processing capabilities to manage complex refrigeration cycles, ensuring optimal energy efficiency, temperature regulation, and system coordination. Built to LG s stringent quality standards, it is specifically tailored for use in commercial refrigeration units, including display cases, walk-in coolers, and freezers, where dependable performance and seamless operation are critical.

At its core, the **EAX62076701** features a robust **microcontroller-based logic system** that processes real-time data from sensors, actuators, and other control inputs to maintain precise environmental conditions. This board supports a wide range of control functions, including defrost sequencing, compressor cycling, evaporator fan management, and fault diagnostics, all of which are essential for prolonging equipment lifespan and minimizing downtime. Its **high-speed processing** and **low-latency response** ensure that the refrigeration system reacts dynamically to changes in load, ambient temperature, or operational demands, thereby enhancing both performance and energy savings.

The **50PV400-UB** designation indicates its compatibility with LG s **50-series refrigeration platforms**, particularly those utilizing **PVC (Polyvinyl Chloride) or other high-voltage refrigeration circuits**, where the board interfaces with components such as compressors, condensers, and expansion valves. Its **universal power supply compatibility** allows it to operate within a broad voltage range, making it versatile for integration into various global electrical infrastructures. Additionally, the board incorporates **self-diagnostic and error-logging features**, enabling technicians to quickly identify and troubleshoot issues through built-in fault codes and system status indicators, reducing repair times and improving overall system reliability.

Constructed with **industrial-grade materials**, the **EBR71727801** is designed to withstand harsh environmental conditions, including temperature fluctuations, humidity, and electrical noise, which are common in commercial refrigeration environments. Its **compact yet durable housing** ensures secure mounting within control panels while providing adequate protection against dust, moisture, and mechanical stress. The board s **modular design** also facilitates easy installation, replacement, and upgrades, allowing service technicians to maintain or replace components without disrupting the entire refrigeration system.

For technicians and engineers, the **EAX62076701** offers a blend of **advanced functionality and user-friendly integration**, supported by LG s comprehensive documentation and technical resources. Whether deployed in a high-volume retail environment, a foodservice operation, or an industrial cold storage facility, this logic control board delivers the precision, efficiency, and reliability required to keep refrigeration systems running at peak performance. Its seamless integration with LG s refrigeration technologies ensures that it serves as a cornerstone for modern, energy-conscious, and high-performance cooling solutions.

### **Pros and Cons of buying a LG EBR71727801 (50PV400-UB.AUSLLHR) Logic Control Board (EAX62076701)**

1. **Compatibility with LG Models** This logic control board is designed specifically for LG 50-inch and 55-inch PV400 series models (e.g., 50PV400-UB, 55PV400-UB). If your TV is one of these models, it ensures a direct replacement without compatibility issues.

2. **Authentic LG Part** Purchasing from an authorized LG dealer or a reputable seller ensures you get an original, high-quality part. Counterfeit or third-party boards may fail prematurely or lack proper support.

3. **Warranty Coverage** If bought from an official source, it may come with a limited warranty, providing peace of mind against defects in materials or workmanship.

4. **Improved Reliability** The logic board controls key functions like power, input selection, and connectivity. A faulty board can cause random shutdowns, no power, or input issues. Replacing it with an OEM part often restores full functionality.

5. **Long-Term Solution** Unlike temporary fixes (e.g., resoldering or capacitor replacement), a new logic board provides a lasting repair, especially if the original failure was due to a hardware defect.

6. **Access to Customer Support** LG s authorized service centers can assist with installation, diagnostics, and post-purchase concerns, which may not be available with aftermarket parts.

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1. **High Cost** LG logic boards are expensive, often ranging between **$200 $400 **, depending on the seller and model. This can be a significant upfront expense, especially if the TV is older.

2. **Limited Availability** Original LG parts may not be readily available from all sellers, particularly if the model is discontinued. Some third-party sellers may offer cheaper alternatives, but their quality and longevity are uncertain.

3. **Installation Complexity** Replacing a logic board requires technical skill, including soldering, desoldering, and proper handling of delicate components. DIY installation carries a risk of further damage if not done correctly. Professional installation adds to the cost.

4. **Potential for Counterfeit Parts** Buying from untrusted sellers (e.g., eBay, Amazon third-party, or unknown online marketplaces) increases the risk of receiving a fake or refurbished part that may fail quickly.

5. **TV Age and Depreciation** If the TV is very old (e.g., pre-2015), the cost of repair may exceed its resale value. In such cases, upgrading to a new TV might be more cost-effective.

6. **Software/Calibration Issues** After replacement, the TV may require re-calibration or a firmware update, which may not be straightforward, especially if the original software is no longer supported.

7. **Environmental and Ethical Concerns** Disposing of an old TV improperly can be problematic. If the repair extends the TV s lifespan significantly, consider recycling the old board responsibly.

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- Your TV is experiencing **logic board-related failures** (e.g., no power, random shutdowns, input issues).

- You have confirmed the part number matches your model exactly.

- You purchase from a **trusted, authorized source** to avoid counterfeits.

- The TV is still **functionally valuable** and worth repairing.

- The TV is **very old** and the repair cost outweighs its resale value.

- You lack the **technical skills** for installation and cannot afford professional help.

- You find a **reliable alternative solution** (e.g., a cheaper third-party board with good reviews, though riskier).

- The TV has **multiple failing components**, making repair uneconomical.

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1. **Verify the Part Number** Double-check that the **EBR71727801 (50PV400-UB.AUSLLHR)** is the exact model for your TV. Mismatched parts can cause further damage.

2. **Purchase from an Authorized Source**

- **LG Authorized Service Centers** (best for warranty and support).

- **Reputable online retailers** (e.g., LG s official store, specialized TV repair part sellers).

- Avoid unknown sellers offering significantly lower prices, as they may sell counterfeit or refurbished parts.

3. **Consider Professional Installation** If you re not experienced with electronics repair, have a **certified technician** install the board to avoid voiding warranties or causing new issues.

4. **Evaluate TV s Lifespan** If the TV is **older than 5 7 years** and the repair costs approach or exceed **$300 $500**, weigh whether upgrading to a new TV is more practical.

5. **Explore Alternatives**

- If the issue is **software-related**, a firmware reset or update might resolve it.

- If the problem is **capacitor-related**, some users have success with **capacitor replacement** (a cheaper fix).

- Check for **third-party compatible boards** (e.g., from brands like **Samsung or Sony**, though exact compatibility varies).

- **Installation fees** (if professional help is needed).

- **Testing and diagnostics** (some repair shops charge for this).

- **Potential follow-up repairs** if the issue persists.

For **LG 50PV400-UB or 55PV400-UB models** with confirmed logic board failure, the **EAX62076701 (EBR71727801) is the most reliable replacement**. However, **only proceed if the TV is worth repairing** and you source the part responsibly. If in doubt, consult an **LG-certified technician** for an assessment before committing to the repair.

Details:

The problem was a few vertical pixel width lines. LG 50PV400-UB.AUSLLHR Logic Control Board EBR71727801 EAX62076701. This is a Confirmed Good board. The TV it came from had a bad plasma display panel.

part #: ebr71727801 prices

• $7.50-$37.22

specifications tvboardgo:

• brand: Lg
• mpn: Ebr71727801
• compatible brand: For Lg
• type: Logic Control Board
• compatible model: 50pv400-ub.ausllhr

seller tvboardgo:

• rating: 100.0%
• city: Bahama, North Carolina
• # reviews: 471

shipping tvboardgo:

• service: USPS Ground Advantage, USPS Priority Mail
• transit: 3-7 Days
• class: Standard, Expedited
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• carrier: USPS
• cost: $11.05

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

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offer tvboardgo:

• best offers: True
• quantity: 1
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• options: Ship-to-home
• started: February 2, 2026
• availability: In Stock

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