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

Restore reliable operation with this power control board assembly. It regulates and distributes incoming power to the appliance's circuits and components so the unit powers up consistently and runs as designed when the original board has failed.

• Regulates and stabilizes power delivered to control and load circuits
• Switches power to motors, heaters, fans, and other components via onboard relays
• Provides low-voltage supply for control electronics
• Typical failure symptoms: no power, unresponsive controls, intermittent shutdowns, repeated blown fuse, or visible board damage

• Disconnect power before servicing; capacitors can retain a charge—allow time to discharge and use proper precautions
• Handle the board by the edges and use ESD protection to avoid static damage
• Photograph wiring and move connectors one at a time to the new board to maintain orientation
• Inspect wiring, fuses, and downstream components for shorts before restoring power to protect the new board