Introduction
This manual provides essential information for the safe and effective installation, operation, maintenance, and troubleshooting of the BN44-00427B PD46B2_BDY Power Supply/LED Board. This board is a replacement component designed for various Samsung TV models, including but not limited to those listed in the specifications section. Please read this manual thoroughly before attempting any installation or repair.
Safety Precautions
- Always disconnect the TV from the main power supply before beginning any repair or installation work.
- Power supply boards can store high voltage even after being unplugged. Allow sufficient time for capacitors to discharge before handling.
- Wear appropriate personal protective equipment, such as anti-static gloves and safety glasses.
- Only qualified technicians should attempt repairs involving internal TV components.
- Handle the board by its edges to avoid damaging components or creating electrostatic discharge.
- Ensure all connections are secure and correctly oriented before reapplying power.
Installation Guide
The installation of this power supply board is considered simple, but requires careful attention to detail and adherence to safety protocols.
- Prepare the TV: Lay the TV face down on a soft, clean surface to prevent screen damage. Remove the back cover of the TV, typically secured by screws.
- Locate the Old Board: Identify the existing power supply board. It is usually a large board with various connectors for power input, mainboard, and LED backlight.
- Disconnect Cables: Carefully disconnect all cables connected to the old power supply board. Note their positions or take photos for reference during reassembly.
- Remove Old Board: Unscrew the old power supply board from the TV chassis.
- Install New Board: Position the new BN44-00427B PD46B2_BDY board in place, ensuring it aligns with the mounting holes. Secure it with the screws removed earlier.
- Reconnect Cables: Reconnect all cables to their corresponding ports on the new board. Ensure all connections are firm and correctly seated.
- Initial Test (Optional but Recommended): Before fully reassembling the TV, you may perform a quick power-on test to ensure basic functionality. If the TV powers on and displays an image, proceed to the next step.
- Reassemble TV: Replace the TV's back cover and secure it with all screws.
Operation
Once correctly installed, the BN44-00427B PD46B2_BDY Power Supply/LED Board operates automatically as an integral part of your television. Its primary function is to convert AC power from the wall outlet into the various DC voltages required by the TV's components, including the mainboard and the LED backlights. There are no user-adjustable settings on the board itself.
Upon successful installation, your TV should power on normally and display an image. If the TV does not power on or exhibits unusual behavior, refer to the Troubleshooting section.
Maintenance
The power supply board is designed for long-term, maintenance-free operation. To ensure its longevity and the overall health of your TV:
- Keep the TV in a well-ventilated area to prevent overheating.
- Avoid exposing the TV to excessive dust, moisture, or extreme temperatures.
- Do not attempt to clean the internal components of the board with liquids. If cleaning is necessary, use compressed air or a soft, dry brush with the TV unplugged.
- Avoid physical shocks or impacts to the TV, which could damage internal components.
Troubleshooting
If you encounter issues after installing the power supply board, consider the following common troubleshooting steps:
- TV Does Not Power On:
- Ensure the TV is securely plugged into a working power outlet.
- Double-check all cable connections to the power supply board and other TV components. Loose connections are a common cause of issues.
- Verify that the fuse on the power supply board is intact (refer to safety precautions regarding fuse replacement).
- No Picture, But Sound is Present:
- This could indicate an issue with the LED backlight circuit or the mainboard. Recheck connections related to the LED backlights.
- TV Powers On, But Shuts Off Immediately:
- This might suggest a short circuit or an overloaded component. Carefully inspect the board for any visible damage or misplaced components.
- Unusual Smells or Sounds:
- Immediately disconnect power from the TV. This indicates a serious component failure and requires professional inspection.
If these steps do not resolve the issue, it is recommended to consult with a professional TV repair technician or contact the seller for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | BN44-00427B PD46B2_BDY |
| Compatible Audio & Video Equipment Style | Display Equipment |
| Origin | Mainland China |
| Compatible TV Sizes | 40 inch, 46 inch |
| Package Dimensions (L x W x H) | 29 cm x 25 cm x 2 cm |
| Package Weight | 0.915 kg |
Compatible TV Models (Partial List):
- UA40D6400UMXZW
- UA40D6400UNXZW
- UA40D6600WJXZK
- UA40D6600WMXZW
- UA40D6600WNXZW
- UA46D6400UJXXZ
- UA46D6400UJXZK
- UA46D6400UMXZW
- UA46D6400UNXZW
- UA46D6600WJXXZ
- UA46D6600WJXZK
- UA46D6600WMXZW
- UA46D6600WNXZW
- UA46D7000LJXXZ
- UA46D7000LJXZK
- UA46D7000LMXRD
- UA46D7000LMXXD
- UA46D7000LMXXS
- UA46D7000LMXXY
- UA46D7000LNXMV
- UA46D7000LNXUM
- UA46D7000LNXXD
- UA46D7000LNXXM
- UA46D7000LNXXP
- UA46D7000LNXXS
- UA46D7000LNXXT
- UA46D7000LNXZN
- UA46D7000LRXCS
- UA46D7000LRXSJ
- UA46D7000LRXSW
- UA46D7000LRXTW
- UA46D7000LRXUM
- UA46D7000LRXXA
- UA46D7000LRXXM
- UA46D7000LRXXP
- UA46D7000LRXXT
- UA46D7000LRXZN
- UA46D7000LWSAB
- UA46D7000LWXMV
- UA46D8000YMXXS
- UA46D8000YNXRQ
- UA46D8000YNXTW
- UA46D8000YNXUM
- UA46D8000YNXXS
- UA46D8000YNXXT
- UA46D8000YNXZN
- UA46D8000YRXCS
- UA46D8000YRXTW
- UA46D8000YRXUM
- UA46D8000YRXXA
- UA46D8000YRXZN
- UA55D7000LJXXZ
- UA55D7000LJXZK
- UE40D7000LQXZT
- UE40D7000LSXKZ
- UE40D7000LSXRU
- UE40D7000LSXTK
- UE40D7000LSXUA
- UE40D7000LSXXC
- UE40D7000LSXXH
- UE40D7000LSXXN
- UE40D7000LSXZF
- UE40D7000LUXXU
- UE40D7005LUXXE
- UE40D7080LSXZG
- UE40D7090LSXZG
- UE46D7000LQXZT
- UE46D7000LSXBY
- UE46D7000LSXCA
- UE46D7000LSXKZ
- UE46D7000LSXRU
- UE46D7000LSXTK
- UE46D7000LSXUA
- UE46D7000LSXXC
- UE46D7000LSXXH
- UE46D7000LSXXN
- UE46D7000LSXZF
- UE46D7000LUXXU
- UE46D7005LUXXE
- UE46D7080LSXZG
- UE46D7090LSXZG
- UN40D6400UFXZA
- UN40D6400UFXZX
- UN40D6420UFXZA
- UN40D6420UFXZC
- UN40D6450UFXZP
- UN40D6450UFXZX
- UN40D6500VFXZA
- UN40D6500VFXZC
- UN40D6500VFXZX
- UN40D6500VGXPE
- UN40D6500VGXZS
- UN40D6500VMXZL
- UN46D6400UFXZA
- UN46D6400UFXZX
- UN46D6420UFXZA
- UN46D6420UFXZC
- UN46D6450UFXZA
- UN46D6450UFXZP
- UN46D6450UFXZX
- UN46D6500VFXZA
- UN46D6500VFXZC
- UN46D6500VGXPE
- UN46D6500VGXZS
- UN46D6500VMXZL
- UN46D6500VRXUG
- UN46D6900WFXZA
- UN46D6900WFXZC
- UN55D7000LFXZA
Warranty and Support
This product comes with a 90-day warranty from the date of purchase. This warranty covers manufacturing defects and ensures the board functions as intended under normal use.
For technical support, warranty claims, or any questions regarding the installation or operation of your BN44-00427B PD46B2_BDY board, please contact the seller directly. Provide your purchase details and a clear description of the issue to facilitate a quick resolution.
User Tips
- Pre-Installation Verification: The seller performs tests on all boards before shipping and can provide test videos. It is advisable to review any provided test videos to understand the board's expected functionality.
- Ease of Installation: This board is noted for its 'Simple!' installation difficulty, making it suitable for DIY enthusiasts with basic electronics knowledge and tools. However, always prioritize safety.
- Documentation: Keep this manual and any purchase documentation in a safe place for future reference.
