SAMSUNG BN44-01114A Power Supply Led Board 751109036840 QN55QN85AAFXZA

( Brand: Samsung ), ( Manufacturer Part Number: BN44-01114A ), ( Part Type: Supply Board ), ( UPC: 751109036840 )

Review SAMSUNG Power Supply Led Board

The **Samsung BN44-01114A Power Supply LED Board** is a precision-engineered replacement component specifically designed to restore full functionality to the **QN55QN85AAFXZA** series of Samsung QLED TVs, including models like the **QN55QN85AAFXZA** and its variants. This high-quality, OEM-level board serves as the central hub for the TV s power management and LED backlight control, ensuring seamless operation of the display s critical components. Crafted with Samsung s rigorous manufacturing standards, this board integrates a robust **DC-DC converter circuit**, **LED driver modules**, and **power regulation circuitry** to deliver stable voltage and current to the TV s backlight LEDs, preventing flickering, dimming, or complete failure of the display. The **BN44-01114A** is compatible with the **QN55QN85AAFXZA** s power supply unit, featuring a **12V input** and **5V/3.3V output** rails to power the TV s mainboard, LED strips, and auxiliary components, all while maintaining energy efficiency and minimizing heat generation. Its **surface-mount technology (SMT)** components and **high-density PCB layout** ensure compact yet durable performance, reducing the risk of soldering issues or electrical shorts that can occur with aftermarket alternatives. Whether replacing a faulty original board or upgrading for enhanced reliability, this **BN44-01114A** board is a direct-fit solution that restores the TV s power efficiency, LED brightness consistency, and overall longevity, making it an essential part of any repair or maintenance process for this model. Its compatibility with Samsung s proprietary firmware and control signals ensures that the TV s smart features, picture settings, and power management functions operate as intended, providing a seamless viewing experience.

**Pros and Cons of buying a Samsung BN44-01114A Power Supply LED Board for the QN55QN85AAFXZA TV**

### **Pros**

1. **Compatibility** The BN44-01114A is a known replacement part specifically designed for Samsung QLED TVs, including the QN55QN85AAFXZA model. This reduces the risk of incompatibility issues that can arise with generic or third-party parts.

2. **Quality and Reliability** Samsung s original parts are engineered to meet strict manufacturing standards, ensuring better durability and performance compared to aftermarket alternatives. This can help prevent frequent failures or early degradation.

3. **Warranty and Support** Purchasing from an authorized seller (such as Samsung s official store, a certified repair center, or a reputable electronics retailer) may include a warranty or return policy. This provides peace of mind in case the part fails shortly after installation.

4. **Ease of Installation** Since this is an original Samsung part, it is designed to fit seamlessly into the TV s power supply assembly. The connectors and mounting points should align correctly, reducing the risk of installation errors that could damage the TV.

5. **Energy Efficiency** The original power supply board is optimized for the TV s specifications, ensuring efficient power delivery and reducing unnecessary energy consumption compared to non-OEM parts that may not match the original design.

6. **Access to Technical Resources** If you encounter issues during installation or operation, Samsung s documentation and customer support can provide guidance. This is particularly useful if you lack experience with TV repairs.

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### **Cons**

1. **Cost** Original Samsung parts are significantly more expensive than generic or third-party alternatives. Depending on the source, the BN44-01114A can cost two to three times more than a non-OEM replacement. This may not be cost-effective for users on a tight budget.

2. **Limited Availability** Original Samsung parts may not always be readily available, especially if the TV model is older or no longer in production. You may need to order from a specialized electronics parts supplier, which could delay repairs.

3. **Potential for Overkill** If the issue with your TV is minor (e.g., a loose connection, a failing backlight driver, or a software glitch), replacing the entire power supply board may be unnecessary. This could lead to unnecessary expenses if the problem is elsewhere.

4. **Installation Complexity** While the part is designed to fit, replacing a power supply board requires careful handling of electrical components. Improper installation (e.g., incorrect soldering, misaligned connectors, or improper grounding) could damage the TV or pose a safety risk. This may require professional assistance, adding to the cost.

5. **No Guarantee of Longevity** Even original parts can fail over time due to wear, power surges, or manufacturing defects. While Samsung parts are generally reliable, they are not immune to failure, especially if the TV has been subjected to poor power conditions or physical damage.

6. **Environmental and Ethical Considerations** Purchasing an original part contributes to electronic waste if the TV is otherwise non-functional. If the TV is beyond repair, recycling or donating it may be a more sustainable option than replacing a single component.

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### **Conclusion**

The **Samsung BN44-01114A power supply LED board** is the safest and most reliable choice for repairing a QN55QN85AAFXZA TV, particularly if you suspect a faulty power supply is causing issues like no power, flickering, or complete failure. Its compatibility, quality, and support make it a strong option for users who prioritize longevity and performance. However, the high cost and potential for overkill (if the issue is elsewhere) may not justify the purchase for everyone.

For users who are experienced with electronics or have access to professional repair services, the BN44-01114A is the best long-term solution. For those on a budget or dealing with a minor issue, a thorough diagnosis (e.g., checking power connections, testing other components) may reveal a cheaper fix. Additionally, if the TV is older and the repair cost approaches the value of a new TV, purchasing a replacement may be more practical.

### **Recommendation**

- You have confirmed the power supply board is faulty through testing.

- You are comfortable with installation or have access to a technician.

- You want the most reliable and long-lasting solution.

- You can afford the higher cost and are purchasing from an authorized seller.

- The TV has other issues (e.g., backlight, motherboard) that could be the root cause.

- You are unsure about the diagnosis and want to explore cheaper fixes first.

- The TV is no longer under warranty, and the repair cost is close to the TV s resale value.

- Verify the part number with Samsung s official documentation or a repair guide to ensure it matches your model.

- Purchase from reputable sellers (e.g., Samsung s authorized parts distributors, eBay with positive feedback, or local electronics repair shops).

- If possible, have a technician inspect the TV before committing to a full power supply replacement.

Details:

Each of our appliance parts also gets inspected multiple times. Whatever you want. Hes a pretty smart guy don't tell him we actually admitted that and soon discovered that harvesting the undamaged TV parts within reclaimed TVs is better business model more Eco-friendly. Its easier than you think!, If you're repairing your TV, after diagnosing its symptoms, the first step is finding correct TV part.

We seek compatibility's. Samsung BN44-01114A Power Supply / LED Board for QN55QN85AAFXZA: QN55QN85AAKXZL, Part Number: BN44-01114A, Visible L55SA8NA APN, Warranty: 180-Day Warranty, Manufacturer Known model's: Brand: Versions: Samsung: QN55QN85AAFXZA. We demand quality. Let's start your repair journey today.

part #: bn4401114a prices

• $27.69-$54.96

specifications tvboardgo:

• brand: Samsung
• mpn: Bn44-01114a
• part type: Supply Board
• upc: 751109036840

general tvboardgo:

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

shipping tvboardgo:

• transit: 4-10 Days
• type: Fixed
• cost: $0.00
• class: Economy
• carrier: UPS
• service: UPS Ground Saver

offer tvboardgo:

• options: Ship-to-home
• started: May 18, 2026
• availability: In Stock
• sold: 0

seller tvboardgo:

• # reviews: 97828
• city: Burnsville, Minnesota
• rating: 99.2%

payments tvboardgo:

• wallet: Apple-pay
• credit card: Visa
• other

returns tvboardgo:

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

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