NEC MultiSync LCD1970NX Service Manual page 68

3.3.2 Scalar Control
U403 Pin178 input scalar reset signal.
3.3.3 LED Control
U403 pin 83 controls Q404 for Green LED.
U403 pin 82 controls Q403 for Amber LED.
3.3.4 Data Memory
Flash Memory IC (U405) store F/W parameters.
4. Scalar
The scalar IC (U403) is analog and digital interface input.
It embedded ADC, MCU, and LVDS circuit.
X401 output 14.318M Hz fed to U403.
U409 schmitt trigger for sync. Waveform processor. And fed to U403 for mode detect.
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