Sharp RUNTKB120WJQZ (DPS-299AP-1 A) Power Supply / LED Board

Location: 00i5

This replacement power supply / LED driver board is designed for Sharp TVs that use part number RUNTKB120WJQZ (also labeled DPS-299AP-1 A). The board regulates power and controls the LED backlight assembly — a common failure point when a TV powers on but the screen remains dark or the backlight fails.

Part & Board Numbers

• Part Number: RUNTKB120WJQZ
• Board / Printed Numbers:
  • DPS-299AP-1 A
  • Power Supply / LED Board

Always verify the part number on your original board before ordering — matching only the TV model may not guarantee compatibility.

Compatible Use Cases

• Replacement for Sharp TVs requiring RUNTKB120WJQZ / DPS-299AP-1 A board
• Ideal for sets that power on but have no backlight, blank or dark screen, or LED/backlight issues

Common Failure Symptoms

• No picture or completely dark screen even though TV powers on
• Backlight does not activate or LED strips remain off
• Flickering or intermittent backlight/brightness
• No video output despite proper input and sound possibly present

Installation & Handling Notes

• Unplug the TV and wait several minutes for capacitors to fully discharge before servicing.
• Use anti-static (ESD) precautions when handling boards and internal components.
• Ensure all cables, connectors, and ribbon harnesses are properly aligned and fully seated.
• Do not force connectors or bend the board — install carefully to avoid damage.

Condition & Testing

• Professionally inspected and thoroughly tested for correct functionality.
• Guaranteed working replacement for the listed part number and board variant.

Warranty & Returns

• Warranty: 180-Day Warranty.
• Returns accepted if board is unmodified, undamaged, and installed properly.
• Please keep your original board until you verify the repair is successful.

Shipping

• Ships from Brighton, TN (or your standard shipping facility).
• Secure, protective packaging to ensure safe transit.
• Expedited shipping available at checkout if selected.

If you’re uncertain this is the correct board for your TV — or need help confirming compatibility — contact us before ordering. We’re happy to assist.