Epson Stylus C110 - Page 37

EPSON Stylus C110/C120/D120 Revision B
OPERATING PRINCIPLE Electrical Circuit Operating Principles 37
Figure 2-19. C687 Main Board Block Diagram
CPU-ASIC
(IC8)
Data
Address
SDRAM
(IC2)
Flash-ROM
(IC1)
Reset IC
(IC3)
EEPROM
(IC9)
CN11
C687 Panel Board
USB
(CN2)
CN1
C687 PSB/PSE Board
Motor
driver
(IC5)
CN8
CN9
CN10
CR Motor
PF Motor
PF Encoder Sensor
PE Sensor
Cover Open Sensor
Head
driver
(IC11)
Q3, Q4
CN5
CN6
Printhead
CN7
CR Encoder Sensor
CR Contact Module
Data
Address
CN3
CN4