Circuit Block Diagram - Epson R260 - Stylus Photo Color Inkjet Printer Service Manual

EPSON Stylus Photo R260/R265/R270, R360/R380/R390

2.2.3 Circuit Block Diagram

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