Epson Stylus CX4900 - Page 84

EPSON Stylus CX4900/CX4905/CX5000/DX5000/DX5050/CX5900/CX6000/DX6000/DX6050 Revision A
OPERATING PRINCIPLES Electrical Circuit Operating Principles 84
Figure 2-17. Block Diagram For The C657 Main Board
CN12
CN18
C657 Panel Board
C571 Panel Board
Card Slot
(CN14)
Card ASIC
(IC9)
Flash-ROM
(IC1)
SDRAM
(IC2)
CPU-ASIC 2 in 1
(IC8)
Motor Driver
(IC5)
Head Driver
(IC7)
Q3,Q4
CN5
P1
CN3
CN11
CIS Unit
USB
(CN2)
CN13
CN16
CN1
C610 I/F Board
C654 Head Board
PG Sensor
Print Head
CR Encoder Senso
r
Scanner HP Sensor
PW Sensor
PE Sensor
CR Motor
PF Motor
Scanner Motor
PF Encoder Sensor
C610 PSB/PSE Board
CN8
CN9
CN10
CN4
CN6
CN17
CN7
RTC
(IC4)
AD converter
(IC11)
Card Slot
(CN15)
Data
Address
N
ote "*": EPSON Stylus CX4900/CX4905/CX5000/DX5000/DX5050:C571PNL (CN12)
EPSON Stylus CX5900/CX6000/DX6000/DX6050: C657PNL (CN18)
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