SONY 1-020-718-21 Board 703190902900 K-65XR80 6870C-1046A

( Brand: Sony ), ( Manufacturer Part Number: 1-020-718-21 ), ( Type: Television T-con Board ), ( Compatible Model: K-65xr80 ), ( UPC: 703190902900 )

Review SONY T con Board

The **Sony 1-020-718-21 K-65XR80 T-Con Board (6870C-1046A)** is a precision-engineered replacement timing control (T-Con) board specifically designed for Sony s high-end **XR80 series** LCD televisions, including the **K-65XR80**, **K-55XR80**, and related models. This critical component serves as the brain of the display s backlight and panel control system, regulating the timing, brightness, contrast, and color accuracy of the screen by synchronizing signals between the mainboard and the LCD panel. Crafted with Sony s proprietary **6870C-1046A** firmware and circuitry, this T-Con board ensures seamless integration with the television s advanced features, such as **HDR (High Dynamic Range), local dimming zones, and precise color reproduction**, delivering a cinematic viewing experience with deep blacks, vibrant hues, and flawless motion clarity.

Built to exacting standards, the **1-020-718-21** features a robust **surface-mount technology (SMT)** design with high-quality passive and active components, including **capacitors, resistors, and transistors**, all meticulously assembled to withstand the thermal and electrical demands of prolonged use. The board incorporates **dedicated backlight control circuitry**, allowing for dynamic adjustments to the LED backlight s intensity and distribution, which is essential for maintaining optimal contrast and reducing glare in varying lighting conditions. Additionally, it interfaces with the television s **Dolby Vision and HDR10** processing units, ensuring that the display accurately interprets and renders high-bit-depth content without artifacts or lag.

For technicians and DIY enthusiasts, this T-Con board is a **direct-fit, plug-and-play replacement**, eliminating the need for complex recalibration or software updates, as it is engineered to replicate the original factory specifications. Its compatibility extends beyond basic functionality, supporting **4K UHD resolution, 120Hz refresh rates, and advanced picture modes** like **Cinema, Vivid, and Game Mode**, making it an indispensable part of restoring or upgrading a Sony XR80 series TV to its peak performance. Whether addressing issues like **screen flickering, backlight failure, or color inconsistencies**, or simply replacing a worn-out component during routine maintenance, this board ensures that the television operates with the same level of precision and reliability as it did when new. With its **durable construction and Sony s rigorous quality control**, the **1-020-718-21 K-65XR80 T-Con Board** is a dependable solution for maintaining the longevity and performance of one of Sony s most acclaimed display technologies.

### **Pros and Cons of buying a Sony 1-020-718-21 (K-65XR80 T-CON Board 6870C-1046A)**

1. **Compatibility with Sony XR80 Series TVs** This T-CON board is a direct replacement for the main control board in the Sony XR80 (e.g., K-65XR80, K-55XR80, K-43XR80) models, ensuring full functionality if the original fails.

2. **Reliability for Common Failures** Many issues in these TVs (e.g., no power, no picture, horizontal lines, or complete shutdown) stem from a faulty T-CON board. A genuine or high-quality replacement can resolve these problems.

3. **DIY-Friendly Replacement** The installation process is relatively straightforward for those with basic electronics knowledge, though caution is required due to high voltage components.

4. **Cost-Effective Fix** Replacing the T-CON board is often cheaper than buying a new TV, especially if the rest of the unit (panel, backlight, etc.) is still functional.

5. **Extended TV Lifespan** If the TV is otherwise in good condition, this part swap can revive an older model that might otherwise be discarded.

6. **Authentic Parts Availability** Sony still sells this part (or authorized resellers do), ensuring compatibility and avoiding counterfeit risks.

7. **Warranty Coverage (if purchased from Sony)** If bought directly from Sony or an authorized dealer, it may come with a limited warranty, providing peace of mind.

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1. **High Voltage Risk** The T-CON board deals with high-voltage components (e.g., inverter circuits). Improper handling can lead to electric shock or damage to other parts of the TV.

2. **Complex Installation** While not extremely difficult, the process requires careful soldering, proper grounding, and attention to wiring connections. Mistakes can render the TV unusable.

3. **Potential Counterfeit Risks** If purchasing from third-party sellers (e.g., eBay, Amazon, or unknown suppliers), there s a risk of receiving a fake or low-quality board that won t work or may cause further damage.

4. **Other Components May Need Replacement** If the TV has additional failures (e.g., backlight inverter, power supply, or panel damage), simply replacing the T-CON board won t fix those issues.

5. **Limited Availability** While still sold, this part may become harder to find over time as older Sony models phase out. Stock can be inconsistent.

6. **Cost Compared to New TV** For some users, the price of the T-CON board ( $100 $200) plus labor (if hiring a technician) may approach the cost of a used/refurbished replacement TV, depending on the model.

7. **Learning Curve for DIYers** Those without prior electronics experience may struggle with troubleshooting or installation, potentially voiding any warranty or causing permanent damage.

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### **Conclusion**

The Sony 1-020-718-21 T-CON board is a **viable and cost-effective solution** for reviving a Sony XR80 series TV with a failed main control board, provided the rest of the unit is functional. It offers a **long-term fix** for common failures and can extend the life of an otherwise usable display. However, the **risk of high-voltage damage, installation complexity, and potential counterfeit parts** make it a project best suited for **confident DIYers or those willing to pay for professional installation**.

For users who are **not comfortable with electronics repair**, weighing the cost against the value of the TV (e.g., sentimental, resale, or functional need) is crucial. If the TV is still in good condition otherwise, the replacement is worth pursuing. If the TV has multiple failing components or is no longer worth the effort, purchasing a used/refurbished model may be more practical.

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### **Recommendation**

1. **Verify the Exact Model and Symptoms** Confirm that the TV s issue is indeed related to the T-CON board (e.g., no power, no picture, or horizontal lines). Test other components (remote, power supply, backlight) to ensure they re not the root cause.

2. **Purchase from a Trusted Source** Buy the part directly from **Sony s official website**, an **authorized Sony repair center**, or a reputable electronics parts seller (e.g., eBay with verified feedback or specialized TV repair shops). Avoid unknown sellers to prevent counterfeit parts.

3. **Gather Tools and Knowledge** If attempting a DIY fix, ensure you have the necessary tools (soldering iron, multimeter, anti-static wrist strap) and research step-by-step guides (e.g., from **Sony support forums** or **YouTube tutorials**).

4. **Consider Professional Help** If unsure about the repair, hire a **certified TV technician** who specializes in Sony models. They can assess whether the T-CON board is the only issue and perform the replacement safely.

5. **Weigh Cost vs. Benefit** Calculate whether the cost of the part plus labor (if outsourced) justifies the TV s remaining value. If the TV is only a few years old and in good condition, the repair is likely worth it. If it s outdated and has multiple issues, replacement may be more economical.

6. **Backup Data** If the TV is used for media storage (e.g., hard drive), back up any important data before proceeding with repairs.

**Final Verdict:** If the TV is otherwise healthy and the failure is confirmed to be the T-CON board, **this replacement is a strong choice for extending the TV s life**. However, proceed with caution, especially if tackling the repair yourself. For those without technical expertise, professional installation is the safer option.

Details:

Condition is Used. Sony K-65XR80 T-Con Board 1-020-718-21 6870C-1046A. Shipped with USPS Priority Mail.

part #: 102071821 prices

• $105.95-$320.00

specifications tvboardgo:

• brand: Sony
• mpn: 1-020-718-21
• type: Television T-con Board
• compatible model: K-65xr80
• upc: 703190902900

payments tvboardgo:

• other
• credit card: Discover
• wallet: Paypal

seller tvboardgo:

• # reviews: 475
• rating: 100.0%
• city: Cherry Hill, New Jersey

general tvboardgo:

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

offer tvboardgo:

• sold: 0
• quantity: 1
• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: March 9, 2026

returns tvboardgo:

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

shipping tvboardgo:

• class: Expedited
• cost: $14.45
• transit: 4-10 Days
• service: USPS Priority Mail
• type: Calculated
• carrier: USPS

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