1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Samsung TV Main Board (models BN94-08082B / BN41-02156A). This main board is designed for specific Samsung TV models, including UE40H6200AKXXH, UE40H6200AK, and UE40H6200. Please read this manual thoroughly before attempting any installation or repair to ensure safe and correct usage.
2. Safety Information
WARNING: Electronic components can be sensitive to electrostatic discharge (ESD) and improper handling. Always observe the following safety precautions:
- Professional Installation Recommended: Installation of this main board should ideally be performed by a qualified technician.
- Power Disconnection: Always disconnect the TV from the main power supply before beginning any installation or repair work.
- Electrostatic Discharge (ESD) Precautions: Use an anti-static wrist strap and work on an anti-static mat to prevent damage to sensitive components.
- Handle with Care: Avoid touching the integrated circuits and connectors directly. Hold the board by its edges.
- Inspect for Damage: Before installation, carefully inspect the board for any visible damage. This is a second-hand item, and while tested, careful inspection is always advised.
3. Product Overview
The main board is the central processing unit of your television, responsible for controlling all major functions including video processing, audio output, and input/output management. This specific board is a replacement part for the listed Samsung TV models.
Figure 3.1: Front view of the Samsung TV Main Board (BN41-02156A / BN94-08082B).
Figure 3.2: Rear view of the Samsung TV Main Board.
4. Setup and Installation
Follow these general steps for installing the main board. Refer to your TV's service manual for specific disassembly and reassembly instructions.
- Preparation: Ensure the TV is unplugged and placed on a clean, soft surface to prevent scratches.
- Access the Main Board: Carefully remove the TV's back cover to expose the internal components.
- Disconnect Cables: Disconnect all cables connected to the old main board, including power, ribbon cables, and input/output cables. Take photos if necessary to remember connections.
- Remove Old Board: Unscrew and carefully remove the existing main board.
- Install New Board: Position the replacement main board (BN94-08082B / BN41-02156A) into place and secure it with screws.
- Reconnect Cables: Reconnect all cables to their corresponding ports on the new main board. Ensure all connections are firm and correctly oriented.
Figure 4.1: Detailed view of input/output ports on the main board.
Figure 4.2: Note the tuner module (top left, marked with a red cross) may be absent or removed on some boards. Ensure compatibility with your TV's requirements.
- Test Functionality: Before reattaching the back cover, connect the TV to power and test its basic functions (power on/off, picture, sound, input switching).
- Reassemble TV: Once confirmed working, unplug the TV and reattach the back cover.
5. Operating Instructions
Once the main board is successfully installed, the TV should function as normal. Operating instructions for the television itself can be found in your TV's original user manual. The main board facilitates the following core functions:
- Power management and startup sequence.
- Processing of video and audio signals from various inputs.
- Control of display panel and backlight.
- Network connectivity (if applicable to your TV model and board configuration).
6. Maintenance
The main board itself requires minimal maintenance. To ensure its longevity and optimal performance:
- Keep Clean: Ensure the TV's interior remains free of dust and debris. Dust accumulation can lead to overheating and component failure.
- Ventilation: Ensure the TV has adequate ventilation to prevent overheating.
- Avoid Liquids: Keep liquids away from the TV to prevent short circuits and damage to the main board.
- Firmware Updates: If available for your TV model, regularly update the TV's firmware to ensure optimal performance and compatibility.
7. Troubleshooting
If you encounter issues after installing the main board, consider the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| TV does not power on | Loose power connection, faulty power supply unit, incorrect board installation. | Check all power connections. Ensure the power supply unit is functional. Re-verify main board installation. |
| No picture, but sound is present | Faulty T-Con board, damaged display panel, loose ribbon cable to display. | Check ribbon cable connections between main board and T-Con/display. |
| No sound, but picture is present | Loose speaker connections, faulty audio amplifier on main board. | Verify speaker connections. Check TV audio settings. |
| Input ports not working | Damaged port, incorrect cable connection. | Ensure cables are correctly inserted. Test with different cables/devices. |
| Some TV functions are unavailable (e.g., specific channels, smart features) | Regional incompatibility, missing components (e.g., tuner module). | Verify the board's specific features against your TV's original specifications and regional requirements. Note that some second-hand boards may have regional differences or missing components like the tuner module (as shown in Figure 4.2). |
If troubleshooting steps do not resolve the issue, contact a qualified technician or the seller for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Motherboard Model | BN41-02156A |
| Compatible Component Model | BN94-08082B |
| Compatible TV Models | UE40H6200AKXXH, UE40H6200AK, UE40H6200 |
| Item Condition | Second-hand |
| Brand Name | TjYuze (for this specific component) / Samsung (for compatible TV) |
| Compatible Audio & Video Equipment Style | Display Equipment |
| Origin | Mainland China |
| Package Dimensions (approx.) | Length: 32 cm, Width: 21 cm, Height: 5 cm |
| Package Weight (approx.) | 0.431 kg |
9. Warranty and Support
This product comes with a 90-day warranty period from the date of purchase. If you experience any issues within this period, please contact the seller for support. Be prepared to provide your purchase details and a description of the problem.
For technical assistance or further inquiries, please reach out to the seller directly.
10. User Tips
- Regional Functionality: Be aware that due to differences in countries and regions, some functions of the main board might not be fully compatible or usable in all locations. Verify specific features against your TV's original specifications.
- Second-Hand Condition: As this is a second-hand item, a thorough visual inspection upon receipt and before installation is recommended to ensure no transit damage or unexpected wear.
- Professional Help: If you are not confident in performing the installation yourself, it is highly recommended to seek assistance from a professional TV repair technician.
