Connector Summary; Major Component Unit; Pin Assignments - Epson LX-300+II RTP Service Manual

EPSON LX-300+II/300+II RTP/1170II
A.1 Connector Summary
A.1.1 Major Component Unit
The figure below illustrates how the primary components are connected.
CS motor is only available for LX-300+II.
Control Board C640/641MAIN
USB I/F
CN17
Serial I/F
CN2
Parallel I/F
CN1
Operation Panel
CN13
C294PNL
CN3
HP Detector
PE (REAR) Detector CN4
CN5
Release Detector
PE (bottom) Detector CN6
PG Detector CN7
AC IN
Figure A-1 Cable Connections
Appendix
CN10
CN11
CN12
CN16
CN8
CN2
CN1
Power Board
C294PSB/PSE
A.1.2 Pin Assignments
Table A-1. C640/641 MAIN Board Connector Summary
Connector
CR Motor
PF Motor
CN16
CN10
CS Motor
CN11
CN12
Option
CN13
CN17
Print Head
Pin I/O
1 I
2 -
Pin I/O
1 I
2 -

Connector Summary

Function
CN1 Parallel I/F
CN2 Serial I/F
CN3 HP Detector
CN4 PE (Rear) Sensor
CN5 Release Detector
CN6 PE (bottom) Detector
CN7 PG Detector
CN8 Power Board C294PSB/PSE
Printhead
CR Motor
PF Motor
CS Motor (Option)
Operation Panel C294PNL
USB I/F
Table A-2. Connector Pin Assignments - CN3
Signal Name
HP Carriage home position sensor signal
GND Signal ground
Table A-3. Connector Pin Assignments - CN4
Signal Name
RPE Rear paper end sensor signal
GND Signal ground
Revision D
Pins
36
6
2
2
2
2
2
9
12
4
4
10
12
4
Function
Function
111