FANUC A61L-0001-0093 9-inch CRT to LCD Complete Replacement Guide

FANUC A61L-0001-0093 Original 9-inch Monochrome CRT Display (Typical Aging State After 8-10 Years)

In FANUC CNC systems, the A61L-0001-0093 is one of the most widely deployed 9-inch monochrome CRT display models, extensively paired with FANUC 0 series, 0i series, and OM-D mainstream CNC controllers. This model uses cathode ray tube technology with a designed lifespan of approximately 15,000 hours. Currently, a large number of in-service units have far exceeded their design life, with frequent failures including brightness degradation, screen blurring, and image flickering.

Kongto Technology, leveraging over a decade of industrial display retrofit experience, introduces the A61L-0001-0093 dedicated LCD upgrade module —delivering true plug-and-play replacement: no wiring changes, no parameter adjustments, no structural modifications. This guide covers the complete upgrade workflow across four stages: product identification, signal connection, physical installation, and results demonstration.

Step 1: Product Model Identification and Verification

Before replacing the display, the first task is to confirm that the currently installed CRT model is indeed the A61L-0001-0093. The model label is located on the side or rear nameplate of the display housing.

Verification Checklist

• Check the label: The nameplate clearly shows "A61L-0001-0093" along with the FANUC original part number KF-M7099H
• Verify the connectors: Rear panel has a HONDA 20-pin signal connector + DC 24V 2-pin power connector
• Confirm dimensions: 9-inch monochrome CRT, standard square-frame housing, four-corner screw mounting
• Exclude similar models: A61L-0001-0090 / 0086 / 0074 appear similar but have different connectors and resolutions —do not confuse

Kongto LCD Upgrade Module Identification

After confirming the old CRT model, take out the Kongto Technology A61L-0001-0093 dedicated LCD upgrade module and verify the following features:

• Front: Industrial-grade TFT-LCD panel with reinforced glass protective screen, OSD menu control buttons below
• Rear: HONDA 20-pin compatible signal connector + DC 24V power connector —100% compatible with original CRT
• Housing dimensions identical to original CRT —zero mounting hole deviation
• Module bears Kongto Technology brand label and model identification

Step 2: Signal and Cable Connection Guide

Signal connection is the most critical technical aspect of the entire upgrade. The good news: the Kongto LCD upgrade module uses exactly the same pinout as the original CRT —signal and power cables are one-to-one direct connections. No adapters, no wire cutting, no jumpers required.

2.1 Connector Comparison

2.2 Physical Interface Comparison

Step 3: Physical Installation Procedure

The entire physical installation takes approximately 30 minutes and requires only a Phillips screwdriver. Follow these detailed steps:

1 Power Off

• Turn off the CNC system main power and confirm the electrical cabinet power indicator is off
• Wait at least 2 minutes to ensure internal capacitors are fully discharged
• If available, use a multimeter to verify zero voltage at power terminals before proceeding

2 Remove Old CRT

• Use a Phillips screwdriver to remove the 4 corner mounting screws from the display bezel
• Carefully remove the CRT display from its mounting position —note the CRT is heavy (approx. 2-3 kg), support the bottom with one hand
• Disconnect the rear HONDA 20-pin signal cable —press the latch to release, then pull straight out
• Disconnect the DC 24V 2-pin power cable
• Keep the removed screws safely —they will be reused for the new module

3 Install LCD Upgrade Module

• Place the Kongto LCD module into the original CRT mounting position, aligning all four mounting holes
• The LCD module housing has foolproof alignment tabs —it will not fit if oriented incorrectly
• Tighten the four corner screws with moderate force —do not overtighten

4 Connect Cables

• Align the HONDA 20-pin signal cable with the LCD module rear signal port —a "click" from the latch confirms proper seating
• Insert the DC 24V 2-pin power cable into the corresponding power connector
• Verify both connectors are fully locked in place

5 Power On and Test

• Restore CNC system main power and power on
• The LCD module will automatically detect the signal and display —no parameter configuration required
• Use the OSD menu buttons on the LCD front panel to fine-tune brightness, contrast, and screen position for optimal display

Step 4: Results —Before and After

After completing the LCD upgrade, the display quality shows a dramatic improvement over the original CRT.

4.1 Display Quality Comparison

4.2 Power-On Verification Checklist

• ✓ Screen powers on normally —no black screen, no artifacts
• ✓ Characters display sharp and clear —no blurring, no ghosting
• ✓ No flickering or jittering
• ✓ OSD menu accessible and fully functional
• ✓ All CNC system functions operating normally —no alarm messages

System Compatibility

This LCD upgrade solution is compatible with the following FANUC CNC systems (all models originally equipped with the A61L-0001-0093 CRT display):

Post-Installation Maintenance

• Check signal and power cable connections for looseness every 6 months
• Maintain proper ventilation and cooling in the electrical cabinet —avoid prolonged operation above 60°C
• Periodically recalibrate brightness and contrast to comfortable levels via the OSD menu
• If display abnormalities occur, first check the HONDA 20-pin connector for oxidation or looseness

Warranty and Service