LG EAX67129605 Tv Board 1.1 55SJ8570

( Brand: Lg ), ( Manufacturer Part Number: EAX67129605 ), ( Compatible Brand: For Lg ), ( Type: Main Board ), ( Manufacturer Warranty: 1 Month ), ( Compatible Model: 55sj8570 ), ( Year Manufactured: 2017 )

Review LG 1.1 Tv Main Board Replacement

The **LG EAX67129605 1.1 TV Board (Main Board) for the 55SJ8570 Series** is a high-performance, precision-engineered replacement component designed to restore full functionality to LG s 55-inch Smart OLED TV (Model 55SJ8570). This board serves as the central hub of the television s electronics, housing critical components such as the **main processor, power management unit, memory modules, and signal processing circuitry**, all of which work in unison to deliver crisp visuals, seamless smart features, and reliable operation. Crafted with LG s proprietary technology, this board integrates advanced **HDMI 2.0, HDR10, and Dolby Vision** support, ensuring that users experience vibrant colors, deep blacks, and immersive audio-visual clarity. The **1.1 variant** of this board often includes firmware optimizations and minor hardware refinements, enhancing stability, reducing latency, and improving compatibility with the latest streaming services, gaming consoles, and external devices. Built with high-quality soldering and robust circuitry, this replacement board is designed to withstand the demands of daily use while maintaining long-term reliability. Whether replacing a faulty original board due to power surges, manufacturing defects, or general wear and tear, this **OEM-grade component** ensures a seamless upgrade, restoring all smart functionalities including webOS, voice control, and app integration without compromising the original TV s performance. Ideal for technicians and DIY enthusiasts, this board is a direct drop-in solution, compatible with the 55SJ8570 s internal architecture, and comes fully tested to meet LG s stringent quality standards.

Buying a replacement TV board, specifically the LG EAX67129605 (1.1) for the LG 55SJ8570 model, can be a practical solution if your TV is experiencing hardware-related issues. Below are the key pros and cons to consider, followed by a conclusion and recommendation.

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### **Pros of buying a LG EAX67129605 (1.1) TV Board**

1. **Cost-Effective Fix for Hardware Failures**

The LG 55SJ8570 is an older model (released around 2016), and many of its common failures such as power supply issues, tuner malfunctions, or main board defects can be resolved by replacing the motherboard. A replacement board is often cheaper than buying a new TV, especially if the rest of the TV s components (panel, backlight, etc.) are still functional.

2. **Warranty and Reliability of LG Parts**

LG is a reputable brand, and their replacement boards are generally reliable if purchased from authorized sellers or trusted third-party suppliers. The EAX67129605 is a known model for this TV, reducing the risk of incompatibility issues.

3. **DIY-Friendly Replacement (For Technically Inclined Users)**

Replacing a TV board is a moderately complex repair that requires soldering skills, basic electronics knowledge, and the right tools (screwdriver, soldering iron, desoldering pump, etc.). If you or someone you know has experience with electronics repairs, this can be a satisfying and cost-saving project.

4. **Access to Spare Parts and Community Support**

The LG 55SJ8570 has a decent repair community, and parts like this board are relatively easy to source from online marketplaces (eBay, AliExpress, or specialized TV repair forums). There are also tutorials and forums (e.g., TVServiceGuru, Reddit s r/tvrepair) where you can find guidance on the replacement process.

5. **Environmentally Friendly Option**

Repairing your TV instead of discarding it reduces electronic waste, which is beneficial for sustainability. This is particularly relevant for older models that may not be easily recyclable.

6. **Potential for Upgrading Other Components**

If you re comfortable with the repair, you might also consider upgrading other components (e.g., replacing a failing power supply, adding a new tuner, or improving cooling) while the TV is open.

---

### **Cons of buying a LG EAX67129605 (1.1) TV Board**

1. **Risk of Counterfeit or Incompatible Parts**

The used electronics market is rife with counterfeit or mismatched parts. A fake or incorrect board may not work properly, leading to further damage or repeated failures. Always verify the seller s reputation and ask for proof of authenticity (e.g., serial number matching, seller feedback, or a return policy).

2. **Void Warranty (If Applicable)**

If your TV was still under warranty when the original board failed, attempting a DIY replacement will void any remaining coverage. LG s warranty typically covers manufacturing defects, and self-repairs are not covered.

3. **Technical Complexity and Risk of Damage**

TV boards contain delicate components like capacitors, resistors, and solder joints. Improper handling during removal or installation can damage the board, the TV s chassis, or other internal components. If you lack experience, it s easy to make mistakes that could render the TV unusable.

4. **Time-Consuming Process**

Replacing a TV board requires disassembling the TV, desoldering old components, soldering new ones, and reassembling everything carefully. This can take several hours, especially for a first-time repair. If you re not patient or lack the time, the hassle may outweigh the benefits.

5. **Limited Lifespan of the TV s Other Components**

Even if the board is replaced successfully, other parts of the TV (e.g., the LCD/LED panel, backlight, or power supply) may be aging and could fail soon after. If these components are already degraded, the TV may not last much longer, making the repair a temporary fix.

6. **Potential for Software Issues**

Some TVs experience software glitches after a board replacement, especially if the new board has a different firmware version. You may need to manually update the firmware or restore settings, which can be tricky without the original software.

7. **Cost of Additional Tools and Materials**

If you don t already own them, you ll need tools like a soldering iron, desoldering pump, tweezers, and possibly a multimeter to test the board. These can add to the overall cost of the repair, making it less economical for some users.

8. **No Guarantee of Success**

Even with a genuine board, there s no absolute guarantee that the repair will work. The board might have internal defects, or other parts of the TV might be incompatible. Some failures (e.g., a dead backlight or damaged panel) cannot be fixed by replacing just the board.

---

### **Conclusion**

- The issue is confirmed to be a hardware failure (not a software or connection problem).

- You re willing to invest time and effort into the repair, or you have access to someone who can perform it.

- The cost of the board and potential tools is significantly lower than buying a new TV.

- You ve verified the board s authenticity and compatibility.

- You re prepared for the possibility that other components may fail soon after.

- You lack technical experience or the patience for a complex DIY project.

- The TV has multiple failing components (e.g., backlight, panel, or power supply) that would require additional repairs.

- The TV is very old, and the cost of the repair approaches the value of a used replacement TV.

- You re not comfortable voiding any remaining warranty.

---

### **Recommendation**

1. **Diagnose the Issue First**

- TV powers on but displays no image or incorrect colors.

- No sound or intermittent audio.

- The TV turns on and off randomly.

- The remote or input buttons don t work.

If the issue is software-related (e.g., frozen screen, app crashes), a board replacement won t help. In such cases, a firmware reset or professional software repair may be needed.

2. **Buy from a Trusted Source**

Purchase the board from a reputable seller with positive reviews. Check platforms like eBay (with feedback scores), specialized TV repair forums, or authorized LG parts distributors. Avoid extremely cheap listings, as they re likely counterfeit. Ask the seller for:

- Proof that the board is compatible with the 55SJ8570 (e.g., model number verification).

- A return policy in case the board doesn t work.

- Any available documentation or warranty.

3. **Consider Professional Repair**

If you re not confident in your ability to perform the repair, hire a professional TV repair technician. While this will cost more than DIY, it ensures the job is done correctly and reduces the risk of further damage. A professional can also diagnose whether the board replacement is the right solution or if other components need attention.

4. **Weigh the Costs**

Compare the cost of the board and any necessary tools to the price of a used/refurbished 55SJ8570 or a newer TV. If the repair cost is close to or exceeds the value of a replacement TV, it may not be worth it. Use sites like eBay, Facebook Marketplace, or Craigslist to check the market value of your model.

5. **Prepare for the Repair Process**

If you proceed with the DIY route, gather all the necessary tools and take your time. Watch detailed repair guides (e.g., from TVServiceGuru or YouTube channels like "TV Repair Academy") and follow them step-by-step. Document the process with photos or videos to help troubleshoot if something goes wrong.

6. **Evaluate the TV s Overall Condition**

After the repair, assess whether the TV is still worth keeping. If other components (like the backlight or panel) are degraded, the TV may not last much longer. In that case, consider upgrading to a newer model with better reliability and features.

---

### **Final Verdict**

The LG EAX67129605 (1.1) board is a viable option for repairing a 55SJ8570 if the failure is hardware-related and you re prepared for the effort and potential risks. However, it s not a guaranteed solution, and the repair may not be justified if the TV is already on its last legs. **If you re unsure, prioritize professional repair or replacement.** If you decide to proceed with DIY, approach the project carefully, verify the board s authenticity, and be ready to accept that the TV s lifespan may still be limited.

Details:

LG TV Main Board EAX67129605 1.1 Replacement for 55SJ8570.

part #: eax67129605 price

• $35.00

specifications tvboardgo:

• brand: Lg
• mpn: Eax67129605
• compatible brand: For Lg
• type: Main Board
• manufacturer warranty: 1 Month
• compatible model: 55sj8570
• year manufactured: 2017

payments tvboardgo:

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

returns tvboardgo:

• policy: No Returns

offer tvboardgo:

• best offers: True
• started: May 8, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1

general tvboardgo:

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

seller tvboardgo:

• city: Miamisburg, Ohio
• # reviews: 0
• rating: 0.0%

shipping tvboardgo:

• type: Calculated
• service: USPS Ground Advantage
• carrier: USPS
• cost: $9.14
• class: Standard
• transit: 5-12 Days

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