FANUC CNC Main Board A20B-8101-0770 PCB Circuit Board

FANUC A20B-8101-0770 printed circuit board for FANUC CNC control units, a replacement board used to restore CNC controller operation in machine tools with matching part number and version.

Description

Replacement Circuit Board for FANUC CNC Controllers

The FANUC A20B-8101-0770 is a printed circuit board used inside FANUC CNC control units. When a CNC controller shows board-related alarms or hardware faults, replacing the board with the same part number is often the fastest way to bring the machine back into production. Each board is checked for part number and revision so it can be fitted into the existing controller without design changes.

FANUC CNC Main Board A20B-8101-0770 PCB Circuit Board detail view

Key Features

Exact Part Number: FANUC part number A20B-8101-0770 for direct replacement.
Matching Revision: Board version can be confirmed before shipping to suit the existing controller.
Industrial Grade: Designed for continuous operation in machine tool control cabinets.
Fast Recovery: Helps reduce downtime caused by CNC hardware failures.
Careful Packaging: Shipped in anti-static packaging to protect sensitive electronic components.

Technical Specifications

Brand	FANUC
Model	A20B-8101-0770
Product Type	CNC printed circuit board
Application	FANUC CNC control units
Board Version	07B (confirm before order)
Packaging	Anti-static bag

FANUC CNC Main Board A20B-8101-0770 PCB Circuit Board product photo

Typical Applications

The board is used in FANUC-controlled CNC lathes, machining centers, grinding machines and other machine tools, mainly as a maintenance and repair spare part for controller hardware.

Quality Inspection and Packaging

Every A20B-8101-0770 unit is checked for part number, appearance and condition before dispatch, then packed with protective material to prevent damage during transport. Please confirm the model, version and quantity when sending an inquiry so the correct part can be prepared for your equipment.

Additional information

Brand	FANUC
Model	A20B-8101-0770
Product Type	CNC printed circuit board
Application	FANUC CNC control units
Board Version	07B (confirm before order)
Packaging	Anti-static bag

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Shipping & Delivery

Servo motor packed in protective foam for export shipment

Industrial automation parts stored on warehouse shelves

1. Order Processing: Orders are prepared after payment confirmation. Model, quantity and stock status are checked again before packing.
2. Shipping Options & Timelines :
a.Express Delivery: recommended for small or urgent parcels; the delivery time is quoted for your destination.
b.Economy Shipping: a lower-cost option for heavier or non-urgent orders.
c.International Shipping: customs clearance may affect delivery time.
Notes:
In-stock items are packed and dispatched after payment is received.
Out-of-stock items will have timelines confirmed via email before shipment.
3. Tracking Your Order: You will receive a tracking number via email once your order ships.
4. Delivery Issues?
Failed deliveries: Contact your local carrier first, then reach out to us.
Wrong/missing items? Email us as soon as possible with your order details.
5. Important Notes Customs & Duties: International buyers are responsible for any import fees.
Address accuracy: Please double-check your shipping details before payment.