LCD-40LX330A Main Board QPWBXF934WJN2 Power Board Replacement

LCD-40LX330A TV Replacement Parts – Main Board, Power Board & Light Strip

Keep your Sharp LCD-40LX330A television running like new with these precision-matched replacement parts. Whether you need the QPWBXF934WJN2 main board, the RUNTKA882WJQZ power board, or compatible light strip and light board components, this listing covers the internal parts needed to restore full functionality to your set.

These parts are manufactured to fit the LCD-40LX330A model and are ideal for electronics repair technicians, hobbyists, and DIY enthusiasts looking to extend the life of their display without the cost of a full replacement unit.

Product Highlights

• Compatible Model: Sharp LCD-40LX330A
• Includes: Main Board (QPWBXF934WJN2), Power Board (RUNTKA882WJQZ), Light Strip & Light Board components
• Material: Plastic and PCB composite construction
• Direct-fit replacement — designed specifically for the LCD-40LX330A model
• Ideal for: TV repair shops, electronics technicians, and confident DIY repairers
• No high-concern chemicals listed in materials

What's Included

• Main Board – Part No. QPWBXF934WJN2
• Power Board – Part No. RUNTKA882WJQZ
• Light Strip / Light Board (compatible set)

Why Choose These Replacement Parts?

Replacing individual boards is a cost-effective alternative to purchasing a new television. The main board controls core TV functions, the power board manages voltage regulation and energy distribution, and the light strip ensures proper backlighting. Getting the right part number is critical — these boards are confirmed for the LCD-40LX330A model.

For guidance on safe electronics repair practices, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer electronics safety information.

Made in Mainland China.

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Frequently Asked Questions

Q: Which TV model are these replacement parts compatible with?

A: These parts are specifically designed for the Sharp LCD-40LX330A television. The main board part number is QPWBXF934WJN2 and the power board part number is RUNTKA882WJQZ. Always confirm your TV's model number before purchasing to ensure compatibility.

Q: Do I need professional experience to install these boards?

A: Basic electronics repair knowledge is recommended. Working with internal TV components involves handling circuit boards and electrical connections. If you are not confident in DIY electronics repair, we suggest consulting a qualified technician to perform the installation safely.

Q: What does the power board (RUNTKA882WJQZ) do in my TV?

A: The power board is responsible for converting incoming AC power and distributing the correct voltages to various components of the television, including the main board and backlight system. A faulty power board can cause symptoms such as no picture, no power, or flickering display — replacing it with the correct part can restore normal operation.

Q: Is the light strip included with this listing?

A: Yes, this listing covers the light strip and light board components in addition to the main board and power board, making it a comprehensive parts set for the LCD-40LX330A television.