How to fix a Panasonic KV-S1057C Scanner when the LED does not light up?
- Hholly49Nov 28, 2025
If the LED on your Panasonic Scanner doesn't light up, here are a few things to check: * Ensure the power cord is correctly inserted. * Make sure the cables inside the scanner are properly connected, especially around the power supply. * If the FAN does not rotate, try to rotate the FAN manually. Check the power supply to the FAN. Replace the FAN. * If the power circuit isn't working properly, replace the Power Supply. * If the boot program isn't working correctly, replace the CONTROL Board. * If the DC ON/OFF circuit isn't working, check the adaptor connection and cable. Check the soldering condition of parts and circuits on the CONTROL Board. Replace any faulty parts. * If the CONTROL Board isn't working, check connections and soldering, and monitor signals. Replace faulty...














