LG LC500DUE-SFR2 Toshiba Led Backlight Supply Board 799991220855 Power Strip Lg/toshiba

( Brand: Lg ), ( Manufacturer Part Number: SJ-50LN-STRIP-POWER-BUNDLE ), ( Part Type: Strip Supply Board ), ( UPC: 799991220855 )

Review LG Lg/toshiba Led Backlight Strips Power Supply Board Bundle New

The **LG/Toshiba LC500DUE-SFR2 LED Backlight Strips Power Supply Board (Model LG 799991220855)** is a high-performance, precision-engineered component designed to deliver reliable and efficient power distribution for large-format LED backlighting systems, particularly in commercial and industrial displays such as LCD monitors, televisions, and signage panels. This power supply board is a critical component of the LC500DUE series, ensuring seamless operation by regulating and distributing the necessary voltage and current to the LED backlight strips embedded within the display panel. Built with a robust and compact design, it integrates advanced circuit protection mechanisms, including over-voltage, over-current, and short-circuit safeguards, to extend the lifespan of both the backlight system and the overall display unit. The board features a high-efficiency power conversion process, minimizing heat generation and energy loss while maintaining optimal brightness and color consistency across the LED array. Its modular construction allows for easy integration into existing display systems, making it a versatile solution for manufacturers and technicians working on repairs, upgrades, or custom installations. Whether used in professional-grade monitors, large-format digital signage, or high-end consumer electronics, this power supply board ensures stable and flicker-free illumination, enhancing the visual clarity and longevity of the device. Its compatibility with Toshiba and LG s LC500DUE series underscores its reliability, making it an indispensable part of any display system requiring precise and dependable backlighting performance.

### **Pros and Cons of buying a LG/Toshiba LC500DUE-SFR2 LED Backlight Power Supply Board (LG Part #799991220855)**

1. **Compatibility** This is an **OEM replacement part** specifically designed for the **LG/Toshiba LC500DUE-SFR2** series (and some other models like the LC500DUE-SFR1). It ensures a direct fit without modification, reducing the risk of electrical issues or misalignment.

2. **Reliability** LG and Toshiba are reputable brands, and this part is likely built to the same quality standards as the original. It uses **LED backlight power supply technology**, which is more efficient and durable than older CCFL-based systems.

3. **Energy Efficiency** LED backlighting consumes **less power** than traditional CCFLs, which can help reduce electricity costs over time. The power supply is optimized for LED operation, improving overall panel longevity.

4. **Warranty & Support** Purchasing from an **authorized seller or LG-approved supplier** may include a warranty (though this varies by retailer). Some sellers offer return policies or customer support for installation issues.

5. **Easier Installation** Since it s a direct replacement, it should plug into the same connectors as the original. However, **professional installation is still recommended** to avoid damage to the display.

6. **Potential Cost Savings** If the original power supply failed, replacing it with this part may be **cheaper than buying a new TV** (especially for older models like the LC500DUE).

7. **Extended TV Lifespan** A failing backlight power supply can cause **gradual screen dimming or complete failure**. Replacing it may **revive an otherwise functional TV**.

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1. **Age of the Model** The **LC500DUE-SFR2** is an **older LCD TV (likely from the late 2000s to early 2010s)**. Finding a reliable seller can be difficult, and some online marketplaces may sell **counterfeit or low-quality replicas**.

2. **Difficulty Finding Authentic Parts** Due to the model s age, **stock may be limited**, and prices could be **higher than expected** due to demand. Some sellers may not offer returns if the part doesn t fit.

3. **Potential Counterfeit Risks** Since this is an older part, **fake or refurbished units** may be sold without proper testing. Buying from **unverified sellers** increases the risk of receiving a defective or incompatible part.

4. **Installation Complexity** While the part is a direct replacement, **removing the old power supply requires careful handling** to avoid damaging the TV s internal components. **User error can lead to further damage** if not done properly.

5. **No Software/Feature Updates** Unlike newer TVs, this model **does not receive firmware updates**, meaning any existing issues (e.g., input lag, menu bugs) will persist.

6. **Environmental Concerns** Older LCD TVs contain **hazardous materials** (mercury, lead, etc.). Proper disposal is required, and some regions have **restrictions on recycling** such devices.

7. **Limited Availability of Spare Parts** If this part fails again soon after replacement, finding **replacement components** may be increasingly difficult as the TV ages further.

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### **Conclusion**

Buying the **LG 799991220855 (LC500DUE-SFR2 LED Backlight Power Supply Board)** can be a **cost-effective solution** if your TV s backlight is failing and you want to **extend its lifespan**. The part is **reliable for its intended purpose**, and since it s an **OEM replacement**, it minimizes compatibility risks.

However, **caution is advised** due to the model s age, potential counterfeit parts, and installation challenges. If you re **not comfortable with electronics repair**, hiring a **professional technician** is strongly recommended to avoid further damage.

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### **Recommendation**

1. **Verify the Seller** Purchase from a **trusted retailer** (e.g., authorized LG parts distributors, reputable eBay sellers with high ratings, or electronics repair shops). Avoid unknown marketplaces that may sell fakes.

2. **Check for Authenticity** Ensure the part has the **correct LG/Toshiba branding, packaging, and serial numbering**. A genuine part should match the original in **size, connector type, and labeling**.

3. **Consider Professional Installation** If you re not experienced with TV repairs, **have a technician install it** to prevent short circuits or improper connections.

4. **Test Before Finalizing** If possible, **inspect the part before purchase** (e.g., via video call with the seller) to confirm it s not damaged.

5. **Evaluate Alternatives** If the TV is **very old and frequently failing**, weigh the **cost of repair against buying a used/refurbished newer TV** (which may be more reliable and energy-efficient).

6. **Proper Disposal Plan** If the TV is **beyond repair**, research **local e-waste recycling programs** to dispose of it safely.

- **Worth it if:** You have a **confirmed failing backlight power supply**, the TV is otherwise functional, and you can **source an authentic part safely**.

- **Not worth it if:** The TV has **multiple failing components**, you re unsure about installation, or you can t find a **trusted seller**.

For the best results, **prioritize quality over price** and **ensure professional handling** of the repair.

Details:

Its easier than you think!, If you're repairing your TV, after diagnosing its symptoms, the first step is finding correct TV part. Let's start your repair journey today. Backlight strips have double-sided tape already applied. Manufacturer Part Number: LG AGF78240901.

Each of our appliance parts also gets inspected multiple times. We demand quality. Peel off backing and install. LG/Toshiba LC500DUE-SFR2 LED Backlight Strips / Power Supply Board Bundle NEW: Includes complete set of brand new backlight strips and power supply board.

Manufacturer Part Number: LG AGF78180301. 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. Whatever you want. We seek compatibility's.

part #: 799991220855 prices

• $24.26-$43.87

specifications tvboardgo:

• brand: Lg
• mpn: Sj-50ln-strip-power-bundle
• part type: Strip Supply Board
• upc: 799991220855

seller tvboardgo:

• city: Burnsville, Minnesota
• rating: 99.0%
• # reviews: 94227

offer tvboardgo:

• options: Ship-to-home
• quantity: 1
• started: March 13, 2026
• sold: 0
• availability: In Stock

payments tvboardgo:

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

general tvboardgo:

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

shipping tvboardgo:

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

returns tvboardgo:

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

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