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Kordis Media Co.,ltd.
Data Sheet NCB400U4
9. 3 Color LED: This LED shows the state of controller.
Green – Normal state
Off – Off mode (Can’t find video signals)
Amber – DPMS mode
10. Power switch: This switch is located on OSD button board.
11. Power input: Proper power is required to supply power for the controller, the Inverter and the
LCD panel
12. VGA Input Cable: As this may affect regulatory emission test result, a suitably shielded cable
should be utilized.
EMI: Shielding will be required for passing certain regulatory emissions tests. Also the choice of
video board and power supply can affect the test result.
Consideration should be given to:
Electrical insulation.
Grounding.
EMI shielding.
Heat & ventilation
Caution: Ensure that the adequate insulation is provided for all areas of the PCB with special
attention to high voltage parts such as the inverter.