Connectors; Connector Reference Table; Connector Configuration - Epson Perfection 4490 photo Service Manual

EPSON Perfection 4490 Photo

7.1 Connectors

The following table indicates the connector signal wiring on the electrical circuit
boards of this product.

7.1.1 Connector Reference Table

Board Connector
CN1
CN2
CN3
Main Board CN4
CN5
CN6
CN8
CN1
Panel Board
CN2
CN1
CCD Board CN2
CN3
CN1
Inverter Board
CN2
CN1
CN3
DRV Board
CN4
CN5
Sensor Board CN1
CN1
CN2
TPU
Inverter Board
CN3
CN4
Note *1: Using two of the four pins.
APPENDIX
Description
CCD Board
CR Motor
Power Switch
AC Input
DRV Board
Panel Board
USB2.0
Main Board
GND
Main Board
Inverter Board
Sensor Board
CCD Board
Fluorescent Lamp
Main Board
TPU Inverter Board
TPU CR Motor
Sensor Board
DRV Board
DRV Board
SUB_C Board
SUB_D Board
Fluorescent Lamp

7.1.2 Connector Configuration

Sensor Board
CN1
Number
of Pins
TPU CR
CN4
29
Motor
4
CN1
2
USB2.0
3
8
7
CN8
4
7
-
29
CN1
2
2
2
CN1
4 (2) *1
CCD Board
8
CN2
5
4
4
4
CN1
5
Inverter Board
2
2
4 (2) *1
Figure 7-1. Diagram of Wiring Connectors
Connectors
SUB_C Board SUB_D Board
CN2 CN3
CN5
CN1
TPU Inverter Board
DRV Board
CN3
AC Input
CN5 CN4
CN2
Main Board
CN6
CN3
Panel Board
CN2
CN3
Sensor
Fluorescent Lamp
CN2
Revision B
Fluorescent
CN4
Lamp
CR Motor
Power
Switch
CN1
64