Samsung CLP 300N Service Manual - Page 42

System F/W Flow

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

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