Restore the visual interface and responsive control of your cooling system with the LG Air Conditioner Display PCB (EBR77389502). This critical electronic component serves as the communication hub between the user and the appliance, powering the LED/LCD status indicators and housing the infrared (IR) sensor for remote control commands. If your air conditioner's display is unreadable, showing incorrect characters, or failing to respond to your remote, replacing this board is the key to restoring full visibility and convenience.

Built with high-quality electronic components, the EBR77389502 is designed for stable signal processing and long-term durability. It ensures that your current temperature settings, operational modes, and timer notifications are accurately displayed, allowing for precise climate management.

1. Safety First: Switch off the air conditioner and unplug it from the wall outlet or shut off the dedicated circuit breaker.
2. Open the Front Panel: Lift the front intake grille or remove the front cover assembly to access the display compartment.
3. Access the PCB: Locate the display board housing, usually situated behind the control window. Remove the small screws or release the plastic clips holding the PCB in place.
4. Disconnect the Wiring: Carefully unplug the wiring harness or ribbon cable that connects the display board to the unit’s main control board.
5. Install the New Board: Connect the wiring to the new EBR77389502 PCB and secure the board back into its mounting position.
6. Reassemble and Test: Replace the front cover or grille. Restore power and verify that the display illuminates clearly and responds to remote control inputs.
7. Compatible with select LG air conditioner models, this OEM-quality display PCB ensures a perfect fit and reliable, factory-standard performance.

1. AC Display PCB – Part number EBR77389502
2. Restores User Interface – Fixes issues with blank, flickering, or frozen displays
3. Integrated IR Sensor – Returns remote control functionality and signal reception
4. Accurate Data Feedback – Clearly displays temperature, fan speed, and error codes
5. Genuine OEM Part – Specifically engineered for compatibility with LG cooling units
6. Durable Design – High-grade circuitry for stable and long-lasting operation