Epson Stylus Photo R1800 - C589 MAIN Control Board Block Diagram

EPSON Stylus Photo R1800/R2400 Revision B
Operating Principles Electrical Circuit Operating Principles 34
The following is the block diagram of the C589 MAIN control board.
Figure 2-14. C589 MAIN Control Board Block Diagram
CPU-ASIC
2 in 1
(IC14)
Data
Address
IEEE 1394
CN3
IEEE 1394
(IC1)
PROM
(IC4)
SDRAM
(IC12)
Regulator
(IC8)
USB2.0
CN2
Motor
Driver
(IC5)
Head
Driver
(IC7)
Q13, Q14
CN15
PF Encoder Sensor
Print Head
CR Encoder Sensor
CR Motor
CN8
C589 LED Board
CN10
CN7
CSIC Board
C589 PSB Board
RTC
(IC18)
CN9
PW Sensor
Ink Mark Sensor
DAC
(IC2)
Motor
Driver
(IC6)
PF Motor
APG Motor
ASF Motor
Pump Motor
CN5
Relay Board
PE Sensor
ASF Sensor
APG Sensor 1
APG Sensor 2
CN11
CN12
CN13
CN14
CN16
CN17
CN18
CN19
C589 Panel Board
CD-R Sensor