Description
🔧 FANUC A20B‑8100‑0821 — LCD Driver / Control PCB
General Description:
The FANUC A20B‑8100‑0821 is a printed circuit board (PCB) used as a digital LCD driver and display control board in FANUC CNC control systems, especially in the 0i‑series controls. It forms part of the display electronics that drive the LCD panel and interface with the CNC unit.
📌 Function & Application
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Primary Role: Digital LCD Driver PCB — this board interfaces between the main CNC controller and the LCD display assembly, handling the visual output.
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Used With: FANUC 0i‑A and 0i‑B series CNC controls.
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Display Types: Designed for 8.4″, 9.5″ or 10.4″ monochrome or colour LCD panels in separate or integrated MDI/display units.
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Typical Role: Fits inside the LCD/MDI unit of the control to manage the display signals, backlight, and panel interface.
📦 Additional Notes
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This part has been discontinued by the manufacturer, but is still available as new old stock, refurbished, or surplus electronics.
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It’s usually identified simply as an LCD control board/driver PCB and is essential for proper graphic/text display on the CNC control screens.