Epson Stylus 1500 Service Manual page 161

Table A-4. Connector Pin Assignments – CN3
Pin I/O
1 —
2 I
3 O
4 O
5 I
6 I
7 I
8 O
9 O
10
11 —
12 O
13 O
14 I
15 I
16 I
17 I
18 O
19 O
20 O
Table A-5. Connector Pin Assignments – CN4
Pin I/O
1, 4 —
2, 3 —
Table A-6. Connector Pin Assignments – CN5
Pin I/O
1 O
2 O
3 O
4 O
5 —
EPSON Stylus 1500 Service Manual
Name
GND Ground
SW1 Switch 1 input signal
LED9 LED 9 data
LED8 LED 8 data
SW2 Switch 2 input signal
Switch 5 input signal
SW5
Switch 0 data
SW0
LED7 LED 7 data
LED6 LED 6 data
LED5 LED 5 data
+5 V Logic line
LED1 LED 1 data
LED0 LED 0 data
PSW Power switch
Power scan
PSC
Switch 3 input signal
SW3
SW4 Switch 4 input signal
LED3 LED 3 data
LED2 LED 2 data
LED4 LED 4 data
Name
GND Ground
+42 V power supply
+42 V
Name
CR A Phase A drive signal
CR B Phase B drive signal
CR/A Phase A drive signal
CR/B Phase B drive signal
CRCOM Common (+42 V)
Description
Description
Description
Appendix
A-7