Epson R260 Service Manual - Page 26

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 Incorporated Components R360/R380/R390 R260/R265/R270 † Logic circuit (ASIC incorporated in the CPU core, Flash ROM x 2, SDRAM x 1, DDR1 x 1) † Logic circuit (ASIC incorporated in the CPU core, Flash ROM x 1, SDRAM x 1) System † Interface circuit (USB2.0 DEVICE, USB2.0 HOST) † RTC circuit † Panel interface Main Board † 3.5-inch Color LCD interface † IrDA circuit Not equipped Power supply † Regulator circuit † Power switch circuit † Overvoltage protection circuit † ASIC for control Printer † Motor control/drive circuit (PF, CR, APG) † Printhead control/drive circuit † Sensor circuits (PE, PF, PW, APG, CDR Guide, CDR Tray) Card Board † Logic circuit (card control IC) † USB HOST I/F circuit † IrDA I/F circuit † Memory card control circuit Not equipped USB Board Not equipped † USB HOST I/F circuit Panel Board † Power switch circuit † Switch circuit † LED circuit LCD Module † LCD control circuit † 3.5-inch Color LCD panel Not equipped Operating Principles Electrical Circuit Operating Principles Revision B 27