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Pin | Lx1692 Protection

Alternatively, forcing a steady DC voltage that simulates a "good lamp" status onto the sensing pin can keep the IC from shutting down. 4. Troubleshooting Checklist

High Voltage Output ---> Capacitive Divider ---> Rectifier Diodes ---> Pin 5 (PROT) | Filter Capacitor lx1692 protection pin

Unplug the CCFL lamps from the inverter. Use a known-good test lamp or a high-voltage probe. If the protection pin stays low without lamps, the lamps themselves are the problem. Alternatively, forcing a steady DC voltage that simulates

Alternatively, forcing a steady DC voltage that simulates a "good lamp" status onto the sensing pin can keep the IC from shutting down. 4. Troubleshooting Checklist

High Voltage Output ---> Capacitive Divider ---> Rectifier Diodes ---> Pin 5 (PROT) | Filter Capacitor

Unplug the CCFL lamps from the inverter. Use a known-good test lamp or a high-voltage probe. If the protection pin stays low without lamps, the lamps themselves are the problem.

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