1. Introduction
This manual provides essential information for the safe and effective use of your new LED Backlight Strip. This product is designed as a replacement backlight for various TV models, including BLAUPUNKT B32A147TCHD. Please read this manual thoroughly before attempting any installation or maintenance.
2. Safety Information
- Professional Installation Recommended: Replacing the light strip in a television is a complex procedure. It requires specialized knowledge and tools. Attempting to replace the light strip without proper expertise can easily damage the TV screen or other components, and may pose electrical hazards. It is strongly recommended to contact professional maintenance personnel for installation.
- Electrical Safety: Always disconnect the television from the power source before beginning any installation or maintenance work. Failure to do so can result in electric shock or injury.
- Handle with Care: LED strips are delicate. Avoid bending, twisting, or applying excessive force, as this can damage the LEDs or the circuit board.
- Static Electricity: Use anti-static precautions when handling electronic components to prevent damage from electrostatic discharge.
3. Product Overview
The LED backlight strip is constructed from durable aluminum material, ensuring efficient heat dissipation and longevity. Each strip features 9 LEDs operating at 3V and measures approximately 620mm in length. The product is designed to be dimmable, allowing for adjustable brightness when connected to a compatible TV system.



4. Setup and Installation
As stated in the safety information, replacing TV backlight strips is a complex task that carries a high risk of damaging the TV screen if not performed correctly. It is strongly advised to seek assistance from qualified professional maintenance personnel.
General steps involved in professional installation typically include:
- Disassembly: Carefully disassembling the television, including removing the back panel, various internal components, and the delicate LCD panel and diffuser layers to access the backlight unit.
- Old Strip Removal: Disconnecting and removing the faulty LED backlight strips.
- New Strip Installation: Installing the new LED backlight strips, ensuring proper alignment and secure connections.
- Reassembly: Meticulously reassembling the TV, ensuring all layers and components are correctly positioned and secured.
- Testing: Powering on the TV to verify proper functionality of the new backlight and overall display.
For detailed visual guidance, you may refer to the official user manual PDF if available: User Manual (PDF). This document provides additional information that may be helpful for professionals.
5. Operating Instructions
Once the LED backlight strips are correctly installed by a professional, their operation is integrated with your television's existing controls. The backlight will illuminate when the TV is powered on.
- Power On/Off: The LED backlight will turn on and off automatically with your television.
- Brightness Adjustment (Dimmable): If your television supports brightness control for the backlight, you can adjust the intensity of the LED strips through your TV's picture settings menu. Refer to your television's user manual for specific instructions on adjusting backlight brightness.
6. Maintenance
The LED backlight strips are designed for long-term, maintenance-free operation once installed. However, general care for your television will help ensure the longevity of all its components, including the backlight.
- Cleaning: Do not attempt to clean the LED strips directly. If the TV screen or casing requires cleaning, always use a soft, dry, lint-free cloth. Avoid abrasive cleaners or excessive moisture, which can damage electronic components.
- Ventilation: Ensure your television has adequate ventilation to prevent overheating, which can reduce the lifespan of LED components.
- Environmental Conditions: Operate the television within recommended temperature and humidity ranges to protect internal electronics.
7. Troubleshooting
If you experience issues with your TV's backlight after installation, consider the following common troubleshooting steps. Remember, for any internal TV issues, professional assistance is recommended.
- No Backlight/Dark Screen:
- Verify that the TV is receiving power and is turned on.
- Check all internal connections made during installation to ensure they are secure.
- If the issue persists, there might be a problem with the TV's power supply board or the LED driver board, which requires professional diagnosis.
- Flickering Backlight:
- This could indicate an unstable power supply to the LEDs or a faulty LED driver. Professional inspection is needed.
- Uneven Brightness/Dark Spots:
- This might suggest an issue with individual LED modules or improper placement of diffuser layers during reassembly. Professional re-evaluation of the installation is recommended.
8. Specifications
| Feature | Specification |
|---|---|
| Product Name | New TV LED Backlight Strip |
| Model | HL-10320A28-0901S-02 A3 (LED Backlight bar) |
| Compatible TV Size | Universal 27-86" (Specific models like BLAUPUNKT B32A147TCHD) |
| Light Source | LED bulbs (9 LEDs per strip) |
| LED Voltage | 3V per LED |
| Length | 62cm (620mm) |
| Material | Aluminum |
| Item Type | Bar Lights |
| Power Source | DC |
| Is Dimmable | Yes |
| Luminous Flux | <60 |
| Certification | CE, EMC, GS, LVD, ROHS, UL |
| Warranty | 180 days |
| Origin | Mainland China |
9. User Tips
- Verify Compatibility: Before purchasing, always double-check the model number and specifications of your existing backlight strips against this product to ensure full compatibility.
- Gentle Handling: Even if you are a professional, always handle the strips and the TV screen with extreme care to prevent damage.
- Test Before Final Assembly: After installing the new strips but before fully reassembling the TV, perform a quick power-on test to ensure the backlights are functioning correctly.
10. Warranty and Support
Warranty
This product comes with a 180-day warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
Manufacturer Information
Manufacturer: Xiamen Zhengbai Electronics Co., Ltd
Email: shimei0595@126.com
Phone: 1310713747
Address: xiang an ma xiang jie dao fang yang she qu fang yang dong san lu 50-1 hao 602, 361101 Xiamen, China
EU Authorized Representative
Company: Apex CE Specialists GmbH
Address: Ravolzhauser str.3la 63543 Neuberg, Germany
Phone: +35321-2066339
Email: info@apex-ce.com
Importer Information
Company: Xiamen Zhengbai Electronics Co., Ltd
Address: xiang an ma xiang jie dao fang yang she qu fang yang dong san lu 50-1 hao 602, 361101 Xiamen, China





