
Main PCB Assembly
The EBR77730503 is a main pcb assembly for LG ac. Basic tools needed. Compare prices from top sellers.
Moderate Repair
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2 stores · Updated May 15, 2026$73.42
4.4(3.1k)Preorder
Go to Store$88.24
4.5(13.6k)Preorder
Go to StoreElevate the performance of your air conditioning unit with this essential circuit board. Designed specifically for LG appliances, this main PCB assembly is crucial for ensuring your air conditioner operates at peak efficiency. This component plays a vital role in managing the timer and overlay functionalities, enhancing the overall functionality and reliability of your AC unit.
Crafted by LG Electronics, this part guarantees compatibility, making it an ideal choice for seamless integration into your existing system. Maintain or replace your malfunctioning circuit board with confidence, knowing that you're investing in a high-quality, genuine LG product that meets the brand's stringent standards. Keep your space cool and comfortable all season long with this dependable replacement part.
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Common Problems This Part Fixes
Not cooling
Not turning on
Fan not working
Remote or controls not working
Repair difficulty: Moderate - basic tools and 1-2 panels to remove
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