This item is an air conditioner printed circuit board (PCB), likely a main control board or computer board. It serves as the core control component, monitoring operation status and processing sensor signals to manage functions. The board includes power circuits, signal driver circuits, and fan control circuits. It features components such as relays (e.g., Tianbo HJQ-15F-2-S-H) for handling power loads. Some models of these boards are compatible with TCL air conditioning units.
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