Epson Stylus COLOR 440 Service Manual page 162

EPSON Stylus COLOR 440, 640, and 740
Table A-17. HP Sensor Connector (CN4)
Pin Signal Name I/O
1 HP In
2 GND —
3 HPV —
Table A-18. PE Sensor Connector (CN5)
Pin Signal Name I/O
1 PE In
2 GND —
3 PEV —
Table A-19. ASF Sensor Connector (CN6)
Pin Signal Name I/O
1 ASF In
2 GND —
3 ASFV —
Table A-20. CR Motor Connector (CN7)
Pin Signal Name I/O
1 CRA Out
2 CR-A Out
3 CRB Out
4 CR-B Out
Function
Sensor detect signal
Ground
Sensor power supply (+5 V)
Function
Sensor detect signal
Ground
Sensor power supply (+5 V)
Function
Sensor detect signal
Ground
Sensor power supply (+5 V)
Function
Phase drive signal (A)
Phase drive signal (-A)
Phase drive signal (B)
Phase drive signal (-B)
Table A-21. PF Motor Connector (CN8)
Pin Signal Name I/O
1 PFA Out
2 PFB Out
3 PF-A Out
4 PF-B Out
Table A-22. Power Supply Connector (CN10)
Pin Signal Name I/O
1 +42 V —
2 +42 V —
3 GND —
4 GND —
5 PSC Out
6 GND —
7 GND —
8 +5 V —
Table A-23. Control Panel Connector (CN11)
Pin Signal Name I/O
1 SW2 In
2 SW0 In
3 PSC In
4 SW1 In
5 LED3 Out
6 +5 V —
7 +5 V —
8 LED2 Out
9 GND —
10 LED1 Out
11 GND —
12 LED0 Out
Appendix
Function
Phase drive signal (A)
Phase drive signal (B)
Phase drive signal (-A)
Phase drive signal (-B)
Function
Mechanism drive power supply
Mechanism drive power supply
Ground
Ground
Power supply switch output signal
Ground
Ground
Logic power supply
Function
Panel switch on/off (2)
Panel switch on/off (0)
Power on/off switch
Panel switch input (1)
LED drive signal (3)
Logic power supply
Logic power supply
LED drive signal (2)
Ground
LED drive signal (1)
Ground
LED drive signal (0)
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