Epson FX-2170 Service Manual page 152

Appendix
Board Connector
MAIN Board
Assembly
CN10
CN11
CN12
CN13
CN14
CN15
Table A-2. Connector Pin Assignments – CN3
Pin I/O
1 —-
2 —-
3 I
4 I
5 —-
6 —-
7 I
8 I
9 I
10 O
Table A-3. Connector Pin Assignments – CN4
Pin I/O
1 I
2 —-
3 —
Table A-4. Connector Pin Assignments – CN5
Pin I/O
1 —-
2 I
3 —
A-6
Table A-1. Connector Summary
CN1 Parallel interface
CN2 Type B interface
CN3 C166 PSB/PSE board assembly
CN4 HP sensor
CN5 Rear PE sensor
CN6 Front PE sensor
CN7 PW sensor
CN8 Printhead
CN9 Printhead
PF motor
CR motor
Release lever position sensor
PG sensor
CSF bin 1
PNL board assembly
Signal Name
GP ——
GP ——
+35V +35 VDC line
+35V +35 VDC line
GND Signal GND
GND Signal GND
+5V +5 VDC line
+5V +5 VDC line
PWDN +35 V line overload detection signal
PSC Power on/off switch signal
Signal Name
HP CR home position signal
GND Signal GND
+5V +5 VDC
Signal Name
+5V +5 VDC
PE Rear paper end signal
GND Signal ground
FX-2170 Service Manual
Function
Function
Function
Function
Pins
36
36
10
3
3
2
4
18
16
4
5
4
4
10
22
Rev.A