Overview; Interconnection; Connector Assignment - Epson perfection 640U Service Manual
Color image scanner
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Also See for perfection 640U:
- Reference manual (118 pages) ,
- Scanner basics (71 pages) ,
- Product support bulletin (31 pages)
Table of Contents
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EPSON Perfection 640U
7.1 Overview
This section provides useful information for servicing this scanner.
7.1.1 Interconnection
Following figures shows interconnection of the scanner.
AC Adapter
CN2
CN1
6-pin
Panel Board
CN4
CN2
CN1
Lamp
2-pin
CN2
Figure 7-1. Interconnection (USB)
Appendix
USB
CN5
2-pin
4-pin
CR
CN3
B125 MAIN
4-pin
Motor
CN1
CN1
CCD Board
Inverter Board
7.1.2 Connector Assignment
Table 7-1. Connector Summary- B103MAIN
Connector
Number
B125MAIN Board
CN1
To the CCD Sensor Board
CN2
AC Input
CN3
To the CR Motor
CN4
To the Panel Board
CN5
To the USB Cable
CCD Sensor Board
CN1
To the Main Board
CN2
To the Inverter Board
Inverter Board
CN1
To the CCD Sensor Board
CN2
To the Lamp
Panel Board
CN1
To the Main Board
Overview
Revision A
Number
Description
Refer to:
of Pins
18
Table 7-2
2
Table 7-3
4
Table 7-4
6
Table 7-5
4
Table 1-1
18
Table 7-2
2
Table 7-6
2
Table 7-6
2
Table 7-7
6
Table 7-5
46
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Troubleshooting
