Samsung CLP-300 Series Service Manual page 115

4.6 System F/W Flow
Input
Auto color
registration
ADC
sensor
ACR data
LPEC2
ACR module
H Sync.
LSU
LSU
temperat
ure
sensor
Samsung Electronics
Process
Photo Sensor ( intensity
of radiation )
LED PWM Output
density
Density pattern
printing
LED PWM
Comparator Threshold
voltage PWM decision
Color Registration measure
Auto Color Registration
pattern printing
Color Registration adjustment
Page Sync.
Line Sync.
Video Clock Freq.
modify
ADC
LSU temperature control
PWM
PWM
decision
P Sync.
modify
L Sync.
modify
clock
PWM
S/W Structure and Descriptions
Output
LED
Comparator
LSU
Video data
Video signal
generator
SMPS Fan
Service Manual
4-3