Epson AcuLaser C4000 Service Manual page 117

EPSON AcuLaser C4000/C4100/C3000
Table 2-3. C470 Main Circuit Board Major Components
Name
Location
Reset IC IC502
PWM IC600
EEPROM IC401
Operating Principles
Model Number / Function
M51953BFP /
• 8SOP
• 340mS
• 4.25V
SCGPWM4B /
1. IC for pulse width modulation for connection
between the VIP2 and the Engine
(Mechanical Controller)
2. A pulse width modulation based on Video
Data generated by VIP2
AT25128 /
• 2MHz
• 128kbit
Controller Operating Principles
Revision F
2-101