General Description

The JANCD-CRT01 is a multilayer industrial PCB designed to drive monochrome CRT displays and manage operator panel communications in Yaskawa’s legacy automation systems. It processes video signals from the main CPU, generates display output for the CRT, and routes keyboard/keypad input back to the system. Engineered for industrial environments, it features robust EMI shielding, vibration resistance, and conformal coating to withstand dust, moisture, and temperature fluctuations.

Specifications

Manufacturer: Yaskawa Electric (Yasnac / Motoman)

Model: JANCD-CRT01

Type: CRT Display / Operator Interface Board

Compatible Systems: YASNAC LX1/LX3 CNC systems; Motoman XRC robot controllers

Display Support: 9-inch monochrome CRT (standard for legacy Yaskawa panels)

Signal Interface: Analog video output (CRT); parallel/serial keyboard input

Power Supply: 24 V DC ±10%

Typical Current Draw: Approx. 400 mA

Operating Temperature: 0 °C to +55 °C

Storage Temperature: -20 °C to +85 °C

Protection Features: Overvoltage, overcurrent, ESD protection; fuse for CRT circuit

Weight: Approx. 1.2 kg

Status: Discontinued, spare parts only

Key Features

Dedicated video processing for 9-inch monochrome CRT, supporting CNC/robot system menus, program display, and fault messages.

Integrated keyboard/keypad interface for operator input (program editing, mode selection, parameter adjustment).

Onboard LED indicators for power, video signal, and communication status to aid quick diagnostics.

Rack-mountable form factor for seamless integration into YASNAC/Motoman controller cabinets.

Enhanced ruggedness with conformal coating and vibration-resistant components for factory floor conditions.

Real-time data synchronization with main CPU (CP01/CP01B) for stable display and input response.

Fault tolerance for minor signal fluctuations, reducing display glitches in harsh electrical environments.

Applications

YASNAC LX1/LX3 CNC systems for lathes, milling machines, and precision machine tools.

Motoman XRC series robot controllers for arc welding, material handling, assembly, and painting.

Legacy industrial automation retrofits requiring replacement of CRT interface boards.

Compatibility Notes

JANCD-CRT01 is system-specific and only compatible with YASNAC LX1/LX3 and Motoman XRC platforms. It is not interchangeable with CRT boards for newer Yaskawa systems (e.g., i80 CNC, YRC robots).

When replacing, verify compatibility with the main CPU board (CP01/CP01B) and CRT monitor model to avoid signal mismatch.

Designed exclusively for maintenance replacement in existing installations; not for new system builds.

Installation and Maintenance

Install in a clean, dry, ventilated control cabinet to avoid dust, moisture, and corrosive gases.

Securely seat the board in the designated rack slot and ensure all video/keyboard connectors are fully engaged.

Prior to power-on, confirm the 24 V DC supply is within the specified voltage range; check CRT circuit fuse for integrity.

Periodically inspect connectors and PCB for wear, damage, or corrosion; clean contacts as needed.

Avoid exposing the CRT monitor and board to direct sunlight or high humidity to prevent display degradation.

Use only Yaskawa-compatible replacement parts to maintain system integrity and reliability.