Lg EBR78940612 Main Control Board (Power Pcb Assembly) OEM Part

Product Details

Genuine Lg part.

Cross Reference Information

Part Number EBR78940612 replaces AP5977793, 4119191.

Description

Main control board that manages the appliance's power delivery and cycle functions. Replacing a faulty board can restore reliable operation and resolve control-related problems such as unresponsive panels or erratic cycling. What it does:

• Regulates power distribution and runs the appliance's control logic; failure can cause the unit to not power on or have a blank display.
• Controls cycle timing and component sequencing; symptoms include cycles that won't start, stop mid-cycle, or behave inconsistently.
• Interfaces with user controls, sensors and indicators; failing boards can produce error codes, blinking LEDs, or intermittent operation.

What's included: One main control board Install notes:

• Disconnect power to the appliance before starting work; verify outlet power is off to avoid shock.
• Handle the PCB by its edges and avoid touching components; observe ESD precautions if possible.
• Make sure all connectors are fully seated and any mounting screws or standoffs are used to secure the board.
• After installation, restore power and run a test cycle to confirm normal operation.