1. Introduction
This manual provides essential information for the installation, operation, and maintenance of the P150-2874V6.0 Network WiFi 4K TV motherboard. This motherboard is designed as a replacement or upgrade component for compatible AKAI 4K televisions, offering network and WiFi connectivity. Please read these instructions carefully before proceeding with any installation or service.
2. Important Safety Warnings and Professional Installation Requirements
Warning: Installation and servicing of this TV motherboard require professional electronic technical knowledge. Attempting installation without proper expertise can lead to damage to the product, personal injury, or voiding of any potential warranty. Most motherboards require specific adjustments such as screen parameter configuration, modification of programs via USB drive, or swapping of data chips (EEPROM). These tasks are complex and typically beyond the scope of ordinary buyers.
If you are not a certified professional electronic technician, it is strongly recommended to seek assistance from a qualified TV repair specialist for diagnosis and installation. Incorrect installation or configuration, including improper screen parameter adjustments, program modifications, or incorrect model selection, may result in malfunction and will not be eligible for refunds or support.
3. Specifications
| Feature | Specification |
|---|---|
| Model Number | P150-2874V6.0 |
| Compatible Equipment Style | Display Equipment |
| Origin | Mainland China |
| LED Backlight Voltage | 135-150.5V |
| LED Backlight Current | 530mA |
| LED Backlight Power | 80W |
| Resolution Support | 3840x2160 (4K) |
| Refresh Rate | 60Hz |
| Operating System Support | WebOS TV |
| Connectivity | WiFi, Ethernet (RJ45), HDMI, USB, Optical Audio, Earphone, Antenna |
4. Installation and Setup
Installation of the P150-2874V6.0 motherboard should only be performed by a qualified technician. The process involves several critical steps:
- Diagnosis: A professional technician must first accurately diagnose the TV malfunction to confirm that the motherboard is indeed the faulty component.
- Component Identification: Carefully compare the new motherboard with the original to ensure it is the correct model (P150-2874V6.0). Refer to the images below for visual confirmation of the board and its labels.
- Physical Installation: Securely mount the new motherboard into the TV chassis, ensuring all screws are tightened appropriately and no components are stressed.
- Cable Connections: Connect all internal cables, including power, display panel (LVDS/VByOne), speakers, and front panel controls. Connect external ports such as HDMI, USB, Ethernet, and antenna.
- Parameter Adjustment/Programming: This is a critical step. The motherboard may require:
- Adjusting screen parameters to match the specific TV panel.
- Modifying or updating the firmware/program via a USB drive.
- Swapping or reprogramming the EEPROM data chip to transfer specific TV settings or calibration data from the original board.
- Accessing and adjusting data screen parameters in factory mode.
- Testing: After installation and configuration, thoroughly test all TV functions, including display, audio, network, and input ports.





5. Operating Instructions
Once correctly installed and configured by a professional, the P150-2874V6.0 motherboard enables the full functionality of your AKAI 4K TV. This includes:
- Power On/Off: Use the TV's remote control or physical buttons to power the unit on or off.
- Input Selection: Switch between various input sources (HDMI, USB, Antenna) using the TV remote.
- Network Connectivity: Utilize the integrated WiFi or Ethernet port (RJ45) to connect to your home network for smart TV features and internet access.
- Smart TV Features: Access WebOS TV functionalities, including streaming apps, web browsing, and other smart features.
- Audio Output: Connect external audio systems via the Optical audio output or headphones via the earphone jack.

6. Maintenance
The P150-2874V6.0 motherboard is designed for long-term reliability. General maintenance practices for your television will help ensure its longevity:
- Cleaning: Keep the TV's ventilation openings clear of dust and debris to ensure proper airflow and prevent overheating. Use a soft, dry cloth to clean the exterior of the TV.
- Environment: Operate the TV in a well-ventilated area, away from direct sunlight, excessive heat, and moisture.
- Power: Use a stable power supply. Consider a surge protector to safeguard against power fluctuations.
- Firmware Updates: Periodically check for and install official firmware updates for your TV model, as these can improve performance and address bugs.
7. Troubleshooting
If your TV experiences issues after motherboard replacement, it is crucial to consult with a professional technician. Common issues related to motherboard replacement often stem from incorrect installation or configuration:
- No Display/Incorrect Display: This often indicates incorrect screen parameter settings or a faulty connection to the display panel. A technician will need to access factory mode to adjust parameters or verify cable integrity.
- No Sound/Distorted Sound: Check speaker connections. If connections are secure, the issue might be related to audio settings or a component on the motherboard, requiring professional diagnosis.
- Network/WiFi Issues: Ensure network cables are properly connected (for Ethernet) or WiFi settings are correctly configured. If problems persist, a firmware issue or hardware fault may be present.
- TV Not Powering On: Verify power supply connections. If the TV receives power but does not turn on, it could indicate a deeper issue with the motherboard's power management or firmware, requiring professional inspection.
- Intermittent Functionality: This can be caused by loose connections, overheating, or corrupted data on the EEPROM chip. A technician can inspect connections and potentially reprogram the EEPROM.
Important: Do not attempt to repair the motherboard yourself if you lack the necessary expertise. Incorrect handling can cause further damage or render the board irreparable.
8. User Tips
- Verify Model Number: Always double-check the model number (P150-2874V6.0) on your existing board and the replacement board to ensure compatibility before installation.
- Document Original Settings: If possible, record the original screen parameters or take photos of the old board's labels before removal, as this information might be needed for configuring the new board.
- Consider Professional Help: Given the technical nature of TV motherboard replacement, engaging a professional technician is the most reliable way to ensure correct installation and avoid potential issues.
9. Warranty and Support
For technical support, pre-sales consultation, or inquiries regarding your P150-2874V6.0 motherboard, please contact the seller, JINGSHUNLI LED LCD TV accessories Store. With 22 years of experience in LCD accessories and a commitment to testing all boards before shipping, they can provide expert assistance. Please have your purchase details and the motherboard's model number ready when contacting support.





