Nematron IWS‑1013 is a 12‑inch industrial workstation monitor (CRT) used as an operator interface in CNC systems. Common failures include screen fading, burn‑in, and overall dimming of the CRT display, often due to aging phosphors or power supply degradation; many shops replace it with a drop‑in LCD upgrade kit. First‑check diagnostics: verify 115–230 VAC input voltage and current draw against spec, inspect the CRT tube for visible damage or burn marks, and test the monitor’s internal power board for correct regulator outputs and any blown capacitors. If the display is still functional but dim, check the backlight driver and consider replacing the CRT or upgrading to an LCD module.[oss-gpt-20b]