Epson Stylus Pro 4400 - CA00 Main Board - Circuit Block Diagram

EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Operating Principles Outline of Control Circuit Board 153
E
Figure 2-63. CA00 MAIN Board - Circuit Block Diagram
PF motor driver
ASF/pump motor
PG/PO motor
driver
Real-Time Clock
Custom ASIC
Custom ASIC
CR motor
PF motor
ASF/pump
motor
PG/PO motor
Custom
ASIC
Head FFC
Lithium battery
BAT1
RTC9824SA
(IC16)
E05C25BB
(IC19)
A3958SLBTR-T
(IC5)
A3958SLBTR
(IC6)
A6628SEDTR-T
(IC7)
(IC12)
(IC15)
(IC2) (IC23)
E09A54RA
(IC17)
E09A54RA
(IC18)
CR motor driver