Specifications

Samsung Electronics
Service Manual
System Overview
3-14
Item Specification Item
Unit assembly state 5
Motor Control PWM control external clock(TTL pulse)
Direction of rotation CCW
Rotational speed 31836.6 rpm normal rotational speed (30ppm)
Rising time Max 6.0sec time to stable rotational speed
Mirror Facet number 4 faces
Inner diameter
14.14
Jitter LF Max 0.030 % within image height of
RF Max 0.020 % -105 ~ +105
range
Motor Driver Supply voltage 24 V
10 % application voltage to the driving
circuit of polygon motor
Starting current Max 2.0 A required current for acceleration
Running current Max 1.0 A required current to stable rotational
speed
Scanning Effective scanning width 216
Property Scanning freq. 2,122.44 one line scanning frequency
Scanning time 471.15
Scanning dot 5,102 dots
1 dot ON time 53.86
time interval from falling 0.9VH to
rising again 0.9VH
Scanning effective 58.3%
Video freq. 18.5648 MHz frequency of video data
Process Speed 179.7 mm/s Drum Speed
Environment Acoustical noise 45dB at normal operation condition,
measuring at 1 m horizontal, 0.75m
vertical apart
Use Temperature +10 ~ +50
Humidity 30 ~ 80 %
Preservation Temperature -20 ~ +60
Humidity 10 ~ 90 %
Size W
L H