Epson Scan 2500 service manual 1284 I/F, Option, Transceiver, Unit, Main Board, PSB/PSE Board

EPSON Stylus Scan 2500 Revision A

USB		CN3		1284 I/F	CN1
							Option
		IC9	1284 Transceiver
USB hub		IC17				CN15
						CN2	Panel
			System & Scanner				Unit
				Block
				(See the B101 MAIN			Scan
	Local Copy Block			Board schematic in
				Chapter 7)			Mechani
		(See the B101 MAIN					sm
		Board schematic in
		Chapter 7)	1284	Buttons		LED/LCD
				Printer Block
				(See the B101 MAIN			Print
				Board schematic in
							Mechanis
				Chapter 7)
							m
	MAIN Board
				CN10

PSB/PSE Board

Figure 2-23. B102 Main Board Block Diagram

Operating Principles Electrical Circuit Operating Principles 58