1. Confirm the Exact Panel Model Before Ordering
One of the most common causes of after-sales disputes is model mismatch.
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LCD panels with similar sizes may have different interfaces, resolutions, or mounting positions
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TV model numbers are not reliable for identifying the correct LCD panel
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Always confirm the exact panel model number, label photo, and specification
Best Practice:
Ask for a clear photo of the original panel label or verify the model through teardown before placing an order.
2. Choose the Right Panel Grade for the Application
Panel grade directly affects both price and after-sales risk:
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Grade A: Lowest risk, ideal for brand TVs and high-end commercial displays
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Grade B: Acceptable minor defects, suitable for cost-sensitive projects
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Grade C: Higher defect tolerance, higher risk, only for special use cases
Best Practice:
Match panel grade to end-user expectations, not just budget.
3. Verify Compatibility: Interface, T-CON, and Backlight
Many after-sales issues arise from technical incompatibility, such as:
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LVDS vs eDP interface mismatch
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Different T-CON board requirements
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Backlight voltage or connector differences
Best Practice:
Before shipment, confirm:
This step significantly reduces installation failure complaints.
4. Implement Strict Pre-Shipment Testing
A reliable supplier should perform functional testing before delivery, including:
Testing helps catch issues early and avoids disputes after the panels arrive overseas.
Best Practice:
Request testing photos or videos for bulk orders or high-value panels.
5. Use Professional Export Packaging
LCD panels are fragile, and many after-sales claims are caused by transit damage, not manufacturing defects.
Key packaging measures include:
Best Practice:
Ensure packaging is suitable for long-distance sea or air freight, especially for panels over 55".
6. Define Clear After-Sales Policy in Advance
Unclear policies create disputes. A professional supplier should clearly define:
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DOA (Dead on Arrival) handling
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Claim time window after receipt
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Required evidence (photos, videos, reports)
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Compensation, replacement, or credit solutions
Best Practice:
Confirm after-sales terms before payment, not after problems occur.
7. Work with a Stable and Experienced Supplier
Suppliers with long-term industry experience can help buyers:
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Avoid obsolete or high-risk models
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Suggest alternative compatible panels
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Manage inventory fluctuations
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Provide technical support when issues arise
A stable supplier is often more valuable than the lowest price.
Conclusion
Reducing after-sales risk in LCD panel sourcing is a systematic process, not a single action.
By confirming models accurately, selecting the right panel grade, ensuring compatibility, enforcing testing standards, and working with experienced suppliers, buyers can significantly lower risk and protect long-term business relationships.
In the LCD industry, prevention is always cheaper than after-sales resolution.
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