Customer Questions and Answers for Display Control Board (Pcb Assembly) by Lg

This electronic user-interface board powers and manages the appliance's display and touch keys. Replacing a failed board can restore panel visibility and button response so you can adjust settings and use features normally.

• Powers the display and control keys on the user interface
• Interprets button presses and sends commands to the main control
• Drives status indicators, icons, and audible alerts on the panel
• Common symptoms of a failing board: blank or dim display, flickering LEDs, unresponsive keys, beeper not functioning, unable to change settings

• Disconnect power before servicing; do not work on live circuits
• Handle the PCB by its edges and use ESD protection
• Note/photograph wire positions; align and fully seat connectors without forcing pins
• Transfer any panel trim, light pipes, or brackets from the original assembly if applicable