Service manual

EPSON Stylus PHOTO 870/1270 Revision B
APPENDIX Connector Summary 150
Table 7-9. Connector Pin Assignment - CN12
Pin Signal Name I/O Function
1 GND - Ground
2 ENB I
Rotary encoder Phase B
output
3 VCC - +5V
4 ENA I
Rotary encoder Phase A
output
5 GND - Ground
Table 7-10. Connector Pin Assignment - CN13
Pin Signal Name I/O Function
1 PF-A O PF motor Phase A
2 PF-B O PF motor Phase B
Table 7-11. Connector Pin Assignment - CN14
Pin Signal Name I/O Function
1 CR-A O CR motor Phase A
2 CR-B O CR motor Phase B