1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your new beented LED backlight strips. These strips are designed as replacement parts for specific 49-inch TV models. Please read this manual carefully before proceeding with installation.
The product includes new LED backlight bars, typically supplied as a set of 4 pieces (2*R1 and 2*L1) for one TV. The strips are made of aluminum for efficient heat dissipation.
2. Setup and Installation
Important Compatibility Note: These LED backlight strips are specifically designed for TV panels with the model number LC490DGG-FK M3 M7 M8. It is crucial to verify your TV's panel model before attempting installation. Incorrect panel compatibility can lead to damage or malfunction.
2.1 Verifying TV Panel Model
Before disassembling your TV, locate the panel model number. This is often found on a sticker on the back of the TV panel itself, visible once the TV's back cover is removed. Refer to Figure 2 for an example of where to look.
2.2 Installation Steps (General Guidance)
Installation of TV backlight strips requires technical expertise and careful handling. If you are not comfortable with electronic repairs, it is highly recommended to seek professional assistance.
- Safety First: Disconnect the TV from the power supply and allow it to cool down completely before starting.
- Disassembly: Carefully remove the TV's back cover, stand, and any other components necessary to access the display panel.
- Panel Removal: Gently remove the display panel, being extremely cautious not to damage it. Place it on a soft, clean surface.
- Access Backlight: Remove any diffusers, reflectors, or other layers to expose the old LED backlight strips.
- Remove Old Strips: Disconnect the old LED strips and carefully remove them. Note their orientation (R1, L1) and connection points.
- Install New Strips: Place the new LED strips in the correct positions. Ensure the R1 and L1 strips are correctly oriented as shown in Figure 3. Connect them securely.
- Testing: Before reassembling the entire TV, temporarily connect the power and test the new backlight strips to ensure they light up correctly and evenly.
- Reassembly: Carefully reassemble the TV in reverse order of disassembly. Ensure all connections are secure and no cables are pinched.
3. Operating Instructions
Once correctly installed, the LED backlight strips operate automatically with your television. They will illuminate when the TV is powered on and turn off when the TV is powered off or enters standby mode.
4. Maintenance
These LED backlight strips are designed for long-term, maintenance-free operation. However, to ensure optimal performance and longevity:
- Cleaning: Do not attempt to clean the LED strips directly. If the TV is disassembled for other repairs, ensure the strips remain free of dust and debris.
- Handling: Always handle the strips by their edges. Avoid touching the LEDs or circuit board components directly to prevent damage from static electricity or oils from your skin.
- Environment: Ensure the TV operates in a well-ventilated area to prevent overheating, which can reduce the lifespan of the LED strips.
5. Troubleshooting
If you encounter issues after installing the LED backlight strips, consider the following common troubleshooting steps:
- No Backlight:
- Ensure all connectors are firmly seated.
- Verify that the TV's power supply unit (PSU) is functioning correctly.
- Double-check that the installed strips are indeed compatible with your TV panel model (LC490DGG-FK M3 M7 M8).
- Uneven Lighting or Flickering:
- Check for any loose connections.
- Inspect the strips for any visible damage or bent LEDs.
- Ensure the diffuser layers are correctly reinstalled over the strips.
- Partial Backlight:
- This often indicates a faulty strip or a poor connection to one of the strips. Re-examine connections and individual strips.
If problems persist, it is advisable to consult a qualified TV repair technician.
6. Specifications
| Feature | Specification |
|---|---|
| Brand | beented |
| Item Type | LED Backlight Strip |
| Model Number (Strip) | LC490DGG-FK M3 M7 M8 (compatible with 6916L 2862A 2863A, 6916l-2862b, 6916l-2863b) |
| Compatible TV Panel | LC490DGG-FK M3 M7 M8 (for 49-inch TVs) |
| Compatible TV Models | 49UJ710V, 49UJ6525, 49UJ7500, 49LJ614V, 49UJ6585, 49UJ6565, 49UJ651V, 49UH651Y, 49UJ670V, 49UJ701V, 49UJ6519, 49UJ654T |
| LEDs per Strip | 6 LEDs |
| LED Voltage | 3V per LED |
| Set Configuration | 4 pieces per TV (2*R1, 2*L1) |
| Strip Length (R1+L1 combined) | 1020mm |
| Material | Aluminum |
| Average Life | 100,000 hours |
| Power Source | AC (via TV) |
| Waterproof | No |
| Certification | CE |
| Origin | Mainland China |
| Intended Use Environment | LIVING ROOM |
| Luminous Flux | <60 (unit not specified) |
7. Warranty and Support
Specific product warranty details are not provided with these replacement LED backlight strips. For any issues related to product defects or performance, please contact the seller directly through your purchase platform. Ensure you retain your proof of purchase for any support inquiries.
8. User Tips
- Pre-Installation Check: Always verify the TV panel model number (LC490DGG-FK M3 M7 M8) on your TV before purchasing and installing the strips. This is the most critical step for successful replacement.
- Handle with Care: LED strips are delicate. Avoid bending, twisting, or applying excessive force during installation.
- Cleanliness: Ensure your workspace and the inside of the TV are clean and free of dust or debris before installing the new strips.
- Test Before Final Assembly: After installing the new strips and before fully reassembling the TV, perform a quick power-on test to confirm they are working correctly.
- Professional Help: If you are unsure about any step of the installation process, it is highly recommended to consult a professional TV repair technician to avoid damaging your TV or the new parts.
