beented 0127A VES400UNDS-2D-N11 N12 N14 40273LEDFHD1080P 40272SMT2FHDLED LB400

beented LED Backlight Strip Instruction Manual

Model: 0127A VES400UNDS-2D-N11 N12 N14 40273LEDFHD1080P 40272SMT2FHDLED LB400

1. Product Overview

This manual provides instructions for the beented LED Backlight Strips, designed as replacement parts for various television models. These strips are made from aluminum and feature pre-applied double-sided tape for easy installation. Each set typically includes 3 pieces (2*A*8LED, 1*B*7LED) with a length of 745mm, suitable for one TV.

Three LED backlight strips with a measuring tape showing a length of approximately 745mm.
Image 1.1: Overview of the LED backlight strips with measurements.

2. Setup and Installation

Before beginning installation, ensure the television is powered off and disconnected from the mains electricity supply. Exercise caution and refer to your TV's specific service manual for disassembly instructions.

2.1 Package Contents

  • LED Backlight Strips (typically 1 set = 3 pieces: 2x A-type with 8 LEDs, 1x B-type with 7 LEDs)

2.2 Installation Steps

  1. Carefully disassemble your television to access the existing backlight strips. This usually involves removing the back cover, various internal components, and the display panel.
  2. Locate and gently remove the old LED backlight strips. Note their orientation and connection points.
  3. Clean the surface where the new LED strips will be applied, ensuring it is free from dust and residue.
  4. The new LED strips come with pre-applied double-sided tape. Carefully peel off the protective backing from the tape on each new strip.
  5. Align each new LED strip with its corresponding position on the TV panel. Ensure the positive (+) and negative (-) terminals match the connectors.
  6. Press firmly along the length of each strip to secure it in place.
  7. Connect the LED strips to the TV's power supply board.
  8. Before reassembling the entire TV, it is recommended to perform a preliminary test by temporarily connecting the TV to power and checking if the new backlights illuminate correctly.
  9. If the backlights function as expected, proceed to reassemble the television by reversing the disassembly steps.
Close-up of an LED strip showing individual LEDs, D8 marking, and positive/negative terminals.
Image 2.1: Detail of an LED strip showing connection points.
An array of LED backlight strips, including A1, A2, B1, and B2 types, laid out on a red textured surface.
Image 2.2: Various types of LED strips (A1, A2, B1, B2) that may be included in a set.

3. Operating Instructions

Once installed, the LED backlight strips operate automatically with your television. They will illuminate when the TV is powered on and dim/turn off when the TV is powered off or in standby mode, as controlled by the TV's internal systems.

4. Maintenance

The LED backlight strips are designed for long-term, maintenance-free operation once installed. No regular maintenance is required for the strips themselves.

  • Cleaning: If the TV is disassembled for any reason, ensure that the LED strips and surrounding areas are kept clean and free of dust. Use a soft, dry cloth for cleaning.
  • Handling: When handling the strips, avoid bending or applying excessive pressure to the LEDs or the circuit board to prevent damage.

5. Troubleshooting

If you encounter issues after installing the LED backlight strips, consider the following common problems and solutions:

  • No Backlight:
    • Check all connections to ensure they are secure and correctly oriented (positive to positive, negative to negative).
    • Verify that the TV's power supply board is functioning correctly and providing power to the backlight circuit.
    • Ensure all strips are properly seated and making good contact with their connectors.
  • Uneven Brightness or Dark Spots:
    • This could indicate a faulty LED on one of the strips or poor contact. Re-examine the strips for any visible damage or loose connections.
    • Ensure the strips are evenly adhered to the panel without any gaps or obstructions.
  • Flickering Backlight:
    • Check for loose connections or potential issues with the TV's backlight driver board.

If problems persist, it is recommended to consult a qualified technician or refer to your TV's specific service manual for advanced diagnostics.

6. Specifications

FeatureSpecification
Brand Namebeented
Model Number0127A VES400UNDS-2D-N11 N12 N14 40273LEDFHD1080P 40272SMT2FHDLED LB400
Item TypeBar Lights
Light SourceLED bulbs
Power SourceDC
MaterialAluminum
Luminous Flux<60
Batteries IncludedNo
High-concerned chemicalNone
CertificationCE, EMC, ROHS, UL
OriginMainland China
Strip Length745mm (for 1 set)
LED Configuration1 set = 3 PCS (2*A*8LED, 1*B*7LED)
Package Dimensions (L x W x H)59 cm x 1 cm x 1 cm
Package Weight0.02 kg

7. Warranty and Support

For specific warranty details and technical support, please contact the seller or manufacturer directly. Keep your purchase records for any warranty claims.

8. User Tips

Based on general best practices for electronic component replacement:

  • Always double-check compatibility with your TV model before purchasing.
  • Take photos during disassembly to aid in reassembly.
  • Use appropriate tools to avoid damaging delicate components.
  • Test the new strips before fully reassembling the TV to save time if adjustments are needed.
  • Ensure proper grounding and static discharge precautions are taken during installation to protect sensitive electronics.

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