Connector Summary; Connectors And Pin Layouts - Epson Stylus PHOTO 950 Service Manual

EPSON Stylus PHOTO 950

7.1 Connector Summary

This section shows the connections between the main components of the printer.
Panel Board
AC
Parallel I/F
CN1
CN1
C4 5 6 P SB / P S E
CN2 CN3
CN12
CN14
Figure 7-1. Connection of the Major Components
APPENDIX
USB I/F
CN2
C 4 5 6 M A I N
CN10
CN4 CN8 CN5
CN9
CN6
CN13
CN11 CN7
Printhead
Pump Motor
PF Motor
CR Motor
PE Sensor
PF Encoder
Release Sensor
Auto Cutter Unit
PG Sensor
Printer Mechanism

7.1.1 Connectors and Pin Layouts

See the following tables for the connector summary for the C456 MAIN Board and
each connector's pin alignment.
Table 7-1. Connector Summary for C456 MAIN
Connector
CN3 For connection with the Power Supply Board
CN4 For connection with the Panel Board
CN5 For connection with the CR Motor
CN6 For connection with the PF Motor
CN7 For connection with the Pump Motor
CN8 For connection with the PF Encoder
For connection with the Printhead
CN9
(including CR encoder input)
For connection with the Printhead
CN10
(including CSIC transmissions)
CN11 For connection with the PE Sensor
CN12 For connection with the PG Sensor
CN13 For connection with the Release Sensor
CN14 For connection with the Cutter Unit (Option)
Table 7-2. CN3-Power Supply Board
Pin Signal Name
1 +42V
2 +42V
3 GND
4 ESAVE
5
6 GND
7 GND
8
Connector Summary
Function
I/O
- +42V power supply
- +42V power supply
- Ground
0 Energy saving signal
PSC O Power on/off switch (CPU monitors)
- Ground
- Ground
+5V - +5V logic power supply
Revision A
Table to refer to
Table 7-2
Table 7-3
Table 7-4
Table 7-5
Table 7-6
Table 7-7
Table 7-8
Table 7-9
Table 7-10
Table 7-11
Table 7-12
Table 7-13
Function
175