Connector Pin Assignments - Epson Stylus Photo 870 Service Manual

EPSON Stylus Photo 870/1270

6.10.1 Connector Pin Assignments

The tables below list the pin assignments for connectors on the
C298MAIN board.
Table 6-14. C298MAIN Board Connector Summary
Connector Function
CN1 Parallel interface connector
CN3 USB connector
CN5 To PE sensor
CN6 To ASF sensor
CN7 To ASF pump motor
CN8 To printhead (including CR encoder)
CN9 To printhead
CN10 To power supply board
CN11 To control panel
CN12 To PF encoder
CN13 To PF motor
CN14 To CR motor
Table 6-15. Connector CN5
Pin Signal In/Out
1 PE In
2 GND —
3 PEV —
Reference
"Interfaces" on page 103
"USB Interface" on page 107
Table 6-15
Table 6-16
Table 6-17
Table 6-18
Table 6-19
Table 6-20
Table 6-21
Table 6-22
Table 6-23
Table 6-24
Function
Sensor detect signal
Ground
Sensor power supply (+5 V with sensor
disconnected, about 1.1 V with sensor
connected)
Table 6-16. Connector CN6
Pin Signal In/Out
1 ASF In Sensor detect signal
2 GND — Ground
3 ASFV — Sensor power supply (+5 V with sensor
disconnected, about 1.1 V with sensor
connected)
Table 6-17. Connector CN7
Pin Signal In/Out
1 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 6-18. Connector CN8
Pin Signal In/Out
1 GND — Ground
2 ENB In CF encoder B phase
3 VDD — Logic power supply (+5 V)
4 ENA In CF encoder A phase
5 GND — Ground
6 GND — Ground
7 LAT Out Head data latch
8 GND — Ground
Chapter 7 Appendix
Function
Function
109