Connector Pin Assignment - Epson Stylus COLOR 1520 Service Manual

Pin No. I/O
1
2
3
4
5
6
7 O
8
9
Pin No. I/O
1 O
2
3
Pin No. I/O
1 O
2
Pin No. I/O
1
2 I
3 O
4 O
5 I
6 I
7 I
8 O
9 O
10 O
11
12 O
13 O
14 I
15 I
16 I
17 I
18 O
19 O
20 O
Rev. A
Table A-2. Connector Pin Assignment (CN2)
Signal Name
GND Ground
+ 42 + 42 VDC
+ 42 + 42 VDC
GND Ground
+ 5 + 5 VDC
GND Ground
PSC Power off signal
GND Ground
+ 5 + 5 VDC
Table A-3. Connector Pin Assignment (CN3)
Signal Name
SWA 0 HP sensor signal
+ 5 + 5 VDC
GND Ground
Table A-4. Connector Pin Assignment (CN4)
Signal Name
SWA 1 DE sensor
GND Ground
Table A-5. Connector Pin Assignment (CN7)
Signal Name
GND Ground
SWB1
LED9 LED 9 DATA
LED8 LED 8 DATA
SWB2
SWB5
SWB0
LED7 LED 7 DATA
LED6 LED 6 DATA
LED5 LED 5 DATA
+ 5 + 5 VDC
LED1 LED 1 DATA
LED0 LED 0 DATA
SWB6
PSC Power scan signals
SWB3
SWB4
LED3 LED 3 DATA
LED2 LED 2 DATA
LED4 LED 4 DATA
Description
Description
Description
Description
Appendix
A-3