Epson Stylus COLOR 1160, Service Manual

Page: 162 / 189

EPSON Stylus COLOR 860/1160 Revision C
Appendix Connector Summary 162
Table 7-3. Connector CN6
Pin Signal Name I/O Function
1 ASF In Sensor detect signal
2 GND --- Ground
3 ASFV --- Sensor power supply (+5V)
Table 7-4. Connector CN7
Pin Signal Name I/O Function
1 ASFA Out Control signal for A phase
2 ASFB Out Control signal for B phase
3 ASF-A Out Control signal for -A phase
4 ASF-B Out Control signal for -B phase
Table 7-5. Connector CN8
Pin Signal Name I/O Function
1 GND --- Ground
2 ENB In CF Encoder B phase
3 VDD --- Logic power supply (+5V)
4 ENA In CF Encoder A phase
5 GND --- Ground
6 GND --- Ground
7 LAT Out Head data latch pulse output
8 GND --- Ground
9 CH Out
Waveform selection signal for MS shot &
Variable shot
10 GND --- Ground
11 VDD --- Logic power supply (+5V)
12 GND --- Ground
13 VHV --- +42V power supply for Nozzle Selector
14 GND2 --- Ground
15 GND2 --- Ground
16 GND2 --- Ground
17 GND2 --- Ground
18 COM --- Head drive pulse (trapezoid waveform)
19 COM --- Head drive pulse (trapezoid waveform)
20 COM --- Head drive pulse (trapezoid waveform)
21 COM --- Head drive pulse (trapezoid waveform)
Table 7-6. Connector CN9
Pin Signal Name I/O Function
1 GND --- Ground
2 GND --- Ground
3 NCHC Out All nozzle fire selection signal
4 GND --- Ground
5 GND --- Ground
6 SCK Out Serial clock
7 SP Out Select signal for CH signal
8 SI6 Out Print data output (6)
9 SI5 Out Print data output (5)
10 SI4 Out Print data output (4)
11 SI3 Out Print data output (3)
12 SI2 Out Print data output (2)
13 SI1 Out Print data output (1)
Table 7-5. Connector CN8 (continued)
Pin Signal Name I/O Function