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.