Components Of Control Boards - Epson R260 - Stylus Photo Color Inkjet Printer Service Manual

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

2.2.2 Components of Control Boards

Table 2-5. Components of Control Boards
Board Name
R360/R380/R390
Logic circuit
(ASIC incorporated in the CPU
core, Flash ROM x 2, SDRAM x 1,
DDR1 x 1)
Interface circuit (USB2.0 DEVICE, USB2.0 HOST)
System
RTC circuit
Panel interface
3.5-inch Color LCD interface
Main
IrDA circuit
Board
Regulator circuit
Power switch circuit
Power supply
Overvoltage protection circuit
ASIC for control
Motor control/drive circuit (PF, CR, APG)
Printer Printhead control/drive circuit
Sensor circuits (PE, PF, PW, APG, CDR Guide, CDR Tray)
Logic circuit (card control IC)
USB HOST I/F circuit
Card Board
IrDA I/F circuit
Memory card control circuit
Not equipped
USB Board
Power switch circuit
Panel Board Switch circuit
LED circuit
LCD control circuit
LCD Module
3.5-inch Color LCD panel
Operating Principles
Incorporated Components
R260/R265/R270
Logic circuit
(ASIC incorporated in the CPU
core, Flash ROM x 1, SDRAM x 1
Not equipped
Not equipped
USB HOST I/F circuit
Not equipped
Electrical Circuit Operating Principles
)
Revision B
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