S/W Structure and Descriptions

4.6 System F/W Flow

Input

 

Process

 

Output

 

 

Photo Sensor ( intensity

PWM

 

 

 

 

 

 

 

of radiation )

 

 

Auto color

 

LED PWM Output

 

LED

 

 

 

 

 

 

 

registration

ADC

 

 

 

sensor

 

density

 

 

 

 

Density pattern

 

 

 

 

printing

 

 

 

 

LED PWM decision

PWM

 

 

 

Comparator Threshold

 

Comparator

ACR data

voltage PWM decision

 

 

 

 

 

LPEC2

 

Color Registration measure

 

 

 

 

 

 

ACR module

 

Auto Color Registration

 

LSU

 

 

pattern printing

 

 

H Sync.

 

 

Video data

 

 

Color Registration adjustment

 

 

 

 

 

 

 

Page Sync. modify

P Sync.

 

LSU

 

 

Video signal

 

 

L Sync.

 

 

Line Sync. modify

 

 

 

 

generator

 

 

 

clock

 

 

Video Clock Freq.

 

LSU

 

 

 

 

modify

 

 

temperat

 

 

PWM

 

ure

ADC

LSU temperature control

SMPS Fan

 

sensor

 

 

 

Service Manual

4-3

Samsung Electronics

 

 

 

Page 42
Image 42
Samsung CLP-300 XSG manual System F/W Flow, LPEC2