FANUC A20B-8001-0920 LCD Inverter

FANUC A20B-8001-0920 LCD Inverter | CNC Display Backlight Power Supply Module

Part Number

A20B-8001-0920

Brand

FANUC

Product Category

CNC LCD Inverter / Display Backlight Power Module

Condition

New, Refurbished, or Core Exchange Available

Availability

In stock with fast dispatch or same-day shipping available.

What is the FANUC A20B-8001-0920 LCD Inverter

The FANUC A20B-8001-0920 LCD inverter is an electronic module used to supply and regulate power for LCD backlights in FANUC CNC operator display panels.

In CNC control displays, the LCD panel requires a dedicated power module to drive the backlight system that illuminates the screen. The inverter converts and regulates electrical power to provide stable voltage for the backlight lamps.

The A20B-8001-0920 inverter is typically used in FANUC operator panel displays where clear and stable screen brightness is necessary for machine operation and interface visibility.

Technical Specifications

Key Functional Attributes

LCD Backlight Power Regulation

The inverter converts electrical power into the voltage required to drive CCFL backlight lamps used in LCD displays.

Stable Screen Brightness

By maintaining consistent voltage output, the inverter ensures uniform display brightness across the CNC screen.

Compact Internal Design

The module is designed to fit within the display housing of CNC operator panels without requiring external mounting.

OEM-Compatible Electronics

The inverter is designed to integrate with FANUC display assemblies used in CNC machines and automation systems.

Serviceable Replacement Component

Replacing a faulty inverter can restore normal display brightness without replacing the entire LCD panel.

Role of LCD Inverters in CNC Display Systems

LCD displays used in CNC operator panels require backlighting to make screen content visible.

The display operation typically works as follows:

1. The CNC system powers the display electronics.

2. The inverter converts power to drive the backlight lamps.

3. The backlight illuminates the LCD panel.

4. Operators view system information and machine parameters on the display.

Without a functioning inverter, the display may appear dim, flicker, or remain dark.

Typical Applications

CNC Operator Panels

LCD inverters provide backlight power for display panels used in CNC machine operator interfaces.

CNC Display Retrofits

Machines upgraded from CRT displays to LCD displays may require inverter modules compatible with LCD backlighting systems.

Machine Tool Refurbishment

Replacing failed inverter modules helps restore display functionality in older CNC systems.

Industrial Control Interfaces

Operator interfaces in industrial automation equipment use similar backlight power modules for display panels.

Compatibility

The A20B-8001-0920 inverter is designed for FANUC display systems used in CNC machines.

Typical compatibility may include:

• FANUC LCD operator panels

• FANUC CNC display retrofit systems

• LCD displays used in FANUC control interfaces

Compatibility should be verified based on the display model and CNC control configuration.

Repair and Exchange Options

Replacement Module Installation

Faulty inverters can be replaced with new or refurbished units to restore display functionality.

Core Exchange Program

Customers may return a faulty inverter and receive a refurbished replacement at reduced cost.

Refurbished Electronics

Refurbished inverter modules are typically inspected and tested before being supplied.

Benefits for CNC Machine Operation

Restored Screen Visibility

Replacing a damaged inverter restores proper display brightness for operator panels.

Reduced Equipment Downtime

Quick replacement of the inverter allows machines to return to operation faster.

Extended Display Lifespan

Maintaining proper backlight power helps protect LCD panel components.

Cost-Effective Display Repair

Replacing only the inverter module avoids the need for a full display replacement.

Frequently Asked Questions

What does the A20B-8001-0920 LCD inverter do

The inverter supplies power to the LCD backlight system, allowing the CNC display screen to remain visible.

What are common symptoms of inverter failure

Typical symptoms include dim screens, flickering backlights, or a completely dark display.

Can this inverter be used in CRT displays

No. This inverter is designed for LCD displays and is not compatible with CRT monitor systems.

What screen sizes does this inverter support

The inverter is commonly used in LCD displays such as 10.4-inch and 12.1-inch operator panels, depending on the display model.