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| Place of Origin | JAPAN |
| Brand Name | FANUC |
| Certification | CE ROHS |
| Model Number | A20B-8101-0064 |
The A20B-8101-0064 is a display unit main PCB in the A20B-8101 family. Listings identify it directly as DISPLAY UNIT MAIN PCB, and repair listings also associate it with A20B-3300-0420 in a display unit board with graphic user interface module configuration.
That places this board on the display-control side of the installed hardware rather than in the servo, memory, or power-board category.
This model is relevant where the installed display assembly already depends on the same board family and the same display-unit logic.
In practical repair work, display main boards are chosen by exact installed role because the board controls the operation of the display assembly and must remain aligned with the same interface structure.
Using the same model helps preserve that original display-board layout.
| Parameter | Value |
|---|---|
| Part Number | A20B-8101-0064 |
| Manufacturer | FANUC |
| Product Type | Display Unit Main PCB |
| Product Series | A20B-8101 |
| Board Role | Display assembly main board |
| Related Assembly Reference | A20B-3300-0420 linked listings |
| Related Functional Description | Graphic user interface module pairing |
| Service Market Context | Repair and replacement listings |
This board is suitable for installed FANUC display assemblies where the system already uses the A20B-8101-0064 display-unit main-board position. It is especially relevant in display-board replacement, GUI/display assembly repair, and refurbishment where the original display hardware structure must remain unchanged.
Before ordering, confirm the installed board code, verify that the original display assembly uses the same display unit main PCB position, and check whether the board is paired with the same related display-board or GUI module arrangement. For display assemblies, exact board-role matching is one of the most important replacement checks.
Q1: What kind of board is A20B-8101-0064?
It is a display unit main PCB. Listings use that wording directly, which places the board inside the display assembly rather than in the CNC main-board, memory-board, or servo-board sections.
Q2: Why is the display-unit description important?
Because it identifies the board by installed function. A display-unit main board is tied to the screen assembly and related interface logic, so it should be replaced with the same model to preserve the existing display hardware structure.
Q3: What does the A20B-3300-0420 reference help with?
Repair and seller listings show A20B-8101-0064 together with A20B-3300-0420, describing the assembly as a display unit board with a graphic user interface module. That reference can help confirm the installed display-board combination when checking the original hardware.
Q4: Is this a complete display unit?
It is the main PCB inside the display unit, not the entire display assembly by itself. That distinction matters because replacing the board requires matching the same board position and the same display-assembly role already used in the machine.
Q5: What should be checked before buying?
Check the installed board code, confirm the display assembly uses A20B-8101-0064, and verify any related board references present in the assembly, especially if the installed unit includes an associated GUI or paired display-board module.
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