Description
📌 Description
A14L-0143-0001#B is a FANUC printed circuit board (PCB) used as an inverter module for LCD backlight power in FANUC CNC display units. It’s a specific revision (#B) of the base A14L-0143-0001 part.
🧾 Key Function
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Type: Inverter for LCD display
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Purpose: Converts DC from the display power supply to the AC needed for the backlight of a 12.1-inch LCD panel in certain FANUC controllers and operator terminals.
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Usage: Installed inside the CNC display unit — not a standalone device. It powers the backlight so the screen is visible when the machine is running.
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Revision: The “#B” suffix indicates a specific revision or update of the original board design, often reflecting compatibility with later hardware batches or improved circuitry.
🧩 Typical Application
This part is used in FANUC CNC controllers with 12.1″ LCD displays (e.g., various Series 16/18/21/30i PANEL i or PC-based units). In the maintenance manuals, it’s listed as the inverter board for the 12.1″ LCD version of the display unit, replacing earlier or other variants in certain basic unit ranges.