Epson Stylus Color 760, Service Manual

Page: 154 / 172

EPSON Stylus COLOR 760 Revision C
Appendix Connector Summary 154
Table 7-4. Connector CN8
Pin Signal Name I/O Function
1 GND --- Ground
2 ENB In CR Encoder B phase
3 VDD --- Logic power supply (+5V)
4 ENA In CR 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/
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 7-5. Connector CN9
Pin Signal Name I/O Function
1 GND --- Ground
2 GND --- Ground
3 NCHG 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)
14 NC --- ---
15 GND --- Ground
16 THM In Thermistor detect signal
17 COC In Color I/C detection signal
18 COB In Black I/C detection signal
Table 7-6. Connector CN10
Pin Signal Name I/O Function
1 +42V --- Mechanism drive power supply
2 +42V --- Mechanism drive power supply
3 GND --- Ground
4 ESAVE