The FANUC A20B-3300-0153 is a display control and graphics card for a 9.5-inch monochrome LCD. Installed inside compatible FANUC CNC control units, it processes text and graphic display information for the operator interface.

FANUC documentation identifies this board as the 9.5-inch monochrome version with graphic function. It is not the LCD panel, backlight inverter or CNC CPU card. The complete control unit, display type and board revision must be confirmed before replacement.

A20B-3300-0153 Product Information

Monochrome Graphics Display Function

A20B-3300-0153 generates the display-control signals required for the compatible 9.5-inch monochrome CNC screen, including graphic information. A blank, distorted or incomplete display may also be caused by the LCD, inverter, cable, power supply or main control hardware, so these parts should be checked before replacing the graphics card.

Compatibility and Board Comparison

Match the full A20B-3300-0153 number, PCB revision, LCD size, monochrome display type, motherboard and CNC model. Do not substitute A20B-3300-0090 because it is documented for character-only display. A20B-3300-0150, A20B-3300-0151 and A20B-3300-0154 support different display sizes or technologies.

Testing and Installation Notes

REACO CNC checks the label, card contacts, PCB condition, startup, text output and graphic display on an applicable test system. Back up CNC parameters, programs, offsets and PMC data before service. Isolate power, use ESD protection and have qualified CNC personnel install the board.

Related resources: FANUC PCB boards, FANUC CNC controls and FANUC CNC repair services.