Service manual

EPSON Stylus Photo R340/350 Revision A
Appendix Block Diagram 123
Figure 5-2. Main Board Block Diagram
CPU-ASIC 2 in 1
(IC1)
SDRAM
(IC3)
SDRAM
(IC4)
Flash ROM
(IC6)
Card ASIC
(IC15)
Card Slot
(CN13)
Card Slot
(CN14)
Complex
Circuit
(IC2)
CN1
CN6
C607 Panel Board
Power Supply
for USB Host
(IC8)
USB Host
(CN15)
USB 2.0
(CN16)
DAC
(IC9)
Motor
Driver
(IC10)
CN10
CN11
CN12
PF Motor
CR Motor
PG Motor
Tray/CD-R Sensor
PG Sensor
PE Sensor
LCD
CN2
CN3
CN4
DAC
(IC7)
CN5
Common
Driver
(IC5)
Q2, Q3
CN7
CN8
Print Head
CN9
CR Encoder Sensor
PW Sensor
CSIC Board
Data
Address
C607 Power Supply Board