Epson Stylus COLOR 3000

EPSON Stylus COLOR 3000
EPSON Stylus Color 3000 Service Manual
A-6
Pin No. I/O Signal Name Description
1

CCO

2 I THS Thermistor signal
3

GND Ground
4 O CHLAT Latch signal
5

GND Ground
6 O CHDATA Cyan data
7

GND Ground
8 O MHDATA Magenta data
9

GND Ground
10 O YHDATA Yellow data
11

GND Ground
12 O CHCLK Clock signal
13

GND Ground
14 O CHNCHG NCHG signal
15

GND Ground
16

+ 5 Power source
17

GND Ground
18

GND Ground
19

GND Ground
20 O COM Common output
21 O COM Common output
22 O COM Common output
23

VHPR Drive voltage
24

VHPR Drive voltage
Pin No. I/O Signal Name Description
1 O A Phase A output
2 O / A Phase / A output
3 O B Phase B output
4 O / B Phase / B output
Table A-16. Connector Pin Assignments (CN18)
Table A-17. Connector Pin Assignments (CN20)