FANUC CRT Repair vs LCD Retrofit — Cost Comparison
1. Direct Cost Comparison (Single Display)
| Cost Item | CRT Repair | LCD Retrofit |
|---|---|---|
| Parts cost | CNY 500-1,500 (varies by failure type) | CNY 800-3,500 (one-time) |
| Labor cost | CNY 300-800 per repair | CNY 200-500 (one-time installation) |
| Downtime cost | CNY 1,000-5,000 per incident (unplanned) | CNY 0 (scheduled maintenance) |
| Shipping/logistics | CNY 100-300 per repair | CNY 100-300 (one-time) |
| First-year total | CNY 1,900-7,600 | CNY 1,100-4,300 |
2. 5-Year Total Cost of Ownership
| Year | CRT Repair Cumulative | LCD Retrofit Cumulative | Savings with LCD |
|---|---|---|---|
| Year 1 | CNY 3,800 | CNY 2,500 | CNY 1,300 |
| Year 2 | CNY 7,600 | CNY 2,500 | CNY 5,100 |
| Year 3 | CNY 11,400 | CNY 2,500 | CNY 8,900 |
| Year 4 | CNY 15,200 | CNY 2,500 | CNY 12,700 |
| Year 5 | CNY 19,000 | CNY 2,500 | CNY 16,500 |
Note: CRT repair costs assume 2 incidents per year at average cost. Actual CRT failure rate typically increases with age.
3. Hidden Costs of CRT Repair
- Production loss: Each unplanned CRT failure causes 2-8 hours of production downtime
- Inventory risk: CRT tubes are increasingly scarce; lead times of 2-4 weeks for replacement tubes
- Repeat failures: Repaired CRTs have a 40-60% failure recurrence rate within 12 months
- Safety risk: CRT high-voltage circuits (25kV+) pose electrical hazard during repair
- Environmental compliance: CRT disposal requires special handling for lead and phosphor waste
4. LCD Retrofit Benefits Beyond Cost Savings
| Benefit | Quantitative Impact |
|---|---|
| Power consumption reduction | 73% less (30W → 8W per display) |
| MTBF improvement | 4x longer (20,000h → 80,000h) |
| Maintenance elimination | Zero display-related service calls for 5+ years |
| Operator comfort | Flicker-free display reduces eye strain |
| Environmental compliance | RoHS compliant, no hazardous materials |
5. Recommendation
For FANUC CNC systems with CRT displays older than 8 years, LCD retrofit is the clear economic choice. The investment pays for itself within 12-18 months, and the long-term savings are substantial.
For a free cost analysis specific to your equipment, contact Kongto Technology at szkongto01@foxmail.com