LG Smart TV PCB Assembly,IR Key

The LG Television Infrared Key PCB (Part Number: EBR89471401) is an authentic original equipment manufacturer (OEM) replacement electronic component designed for LG LED/LCD televisions. Positioned along the lower front bezel or underside of the TV frame, this sub-circuit board houses the Infrared (IR) sensor receiver module, standby indicator LED, and physical tactile power/control buttons, enabling smooth communication between remote controls and the TV's main motherboard.

Key Features

• High-Sensitivity IR Receiver: Captures infrared light signals reliably from long distances and wide angles for uninterrupted remote control response.

• Integrated Key Controls & Display: Features tactile switch buttons, status LEDs, and multi-pin ribbon connectors on a compact fiberglass PCB base.

• Genuine OEM Precision: Built directly by LG to original equipment specifications for exact screw hole alignment and wire harness compatibility.

Benefits

• Solves TV remote unresponsiveness (when remotes fail to turn on or control the TV despite fresh batteries).

• Fixes broken manual TV power buttons or unresponsive local volume/channel controls.

• Direct plug-and-play installation restores seamless user control.

Applications

Designed specifically for select LG television models requiring part number EBR89471401.

What's Included

• 1 x Genuine LG Television Infrared (IR) Receiver & Key PCB Board (EBR89471401)

Usage Instructions

1. Unplug the TV from the electrical power outlet and place it face down on a soft, protective surface.

2. Unscrew and remove the rear television cover panel.

3. Locate the small IR receiver board along the bottom edge of the TV frame.

4. Carefully unclip or unscrew the ribbon cable connector attached to the old PCB.

5. Unscrew the mounting screws securing the old board to the bezel housing.

6. Mount the new LG EBR89471401 PCB, connect the ribbon wire harness, reassemble the back cover, and test remote control functionality.

Safety Instructions

• Disconnect main AC power prior to removing the rear TV cover.

• Wear an anti-static wrist strap and handle the PCB by its non-conductive edges to avoid Electrostatic Discharge (ESD) damage.

Care Instructions

• Keep the front TV bezel optical lens clean and free of dust or physical obstruction. No ongoing electrical maintenance required once installed.

Technical Specifications