Service manual

EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B
Operating Principles Electrical Circuit Operating Principles 28
2.2.3 Circuit Block Diagram
Figure 2-3. Circuit Block Diagram for R360/R380/R390
CN11
CN8
PE Sensor
CPU-ASIC
(IC4)
Flash-ROM
(IC9)
DDR-DRAM
(IC7)
Motor
Driver
(IC2)
SDRAM
(IC11)
RTC
(IC3)
Serial
Flash-ROM
(IC5)
USB
(CN2)
C658 Panel Board
C658 Panel_B Board
C653 PSB/PSE Board
CR Moto
r
PF Motor
Printhead
CR Encoder Sensor
CN3
C658 STG Board
CN1
LCD
CN4
CN14
CN15
CN10
CN5
CN13
CN12
PF Encoder Sensor
CN6
CN16
C653 Head Board
Head
Driver
(IC1)
QM1, Q2, Q3
CN9
CDR Guide Sensor
PW Sensor
CN7
APG Sensor
CDR Tray Sensor
Address
Data
Address
Data