Service manual

EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B
Operating Principles Electrical Circuit Operating Principles 29
Figure 2-4. Circuit Block Diagram for R260/R265/R270
CN11
CN6
PE Sensor
CPU-ASIC
(IC5)
Flash-ROM
(IC1)
Motor
Driver
(IC8)
SDRAM
(IC2)
RTC
(IC3)
Serial
Flash-ROM
(IC4)
USB
(CN1)
USB HOST
(CN2)
C653 Panel Board
C653 PSB/PSE Board
CR Moto
r
PF Motor
Printhead
CR Encoder Sensor
CN5
CN14
CN13
CN10
CN16
CN15
CN12
PF Encoder Sensor
CN8
CN3
C653 Head Board
Head
Driver
(IC7)
Q2, Q5, Q6, Q7
CN4
CDR Guide Sensor
PW Sensor
CN7
APG Sensor
CDR Tray Sensor