Epson Stylus Photo 925 - C475 MAIN Board

EPSON Stylus Photo 925 Revision A
Operating Principles Electrical Circuit Operating Principles 42
2.2.2 C475 MAIN Board
The printer mechanism is controlled by C475 MAIN.
See Figure for the C475 MAIN board block diagram.
Figure 2-18. Block Diagram for the C475 MAIN Board
C475 MAIN
Printer section Printer section
P-ROM
(IC9)
DRAM
(IC10)
Data
Address
SDRAM
(IC4)
Common
Driver(IC18)
Motor
Driver(IC13)
Motor
Driver(IC12)
Motor
Driver(IC7)
CN9
CN8
CN13
CN12
CN11
CN14
CN15
Head
CR Motor
PF Motor
ASF Motor
CT Sensor
PE Sensor
E01A27CA
CPU-ASIC
2in1
(IC11)
Reset
IC
EEPROM
(IC8)
Parallel IF
Flash
ROM
(IC3)
USB HUB
(IC6)
MAX1602
controller
(IC16)
CN4
CN5
C475PNL
Preview Monitor
USB IF(CN3)
SDRAM
(IC5)
CR Encoder
CN10
CN17
CN18
Motor
Driver(IC14)
CPU V833
(IC1)
E09A40BA
ASIC
(IC2)
CF
TypeII
(CN1)
MS/
SSFDC
(CN2)
HOST USB IF (CN6)
PF Encoder
Cutter Motor
ISP1161
controller
(IC19)
Q5, 6