Original LG 1.5 Ton Inverter Split AC Outdoor PCB Circuit Board designed for LG inverter air conditioner outdoor units. This main control board manages compressor operation, fan motor control, power regulation, communication with the indoor unit, and overall system performance. Suitable for replacement of damaged or faulty outdoor PCBs in compatible LG inverter split AC models. Ensure part number and board layout match your existing PCB before ordering. Compatible LG outdoor PCB boards are commonly used in 1.5-ton inverter split air conditioning systems.