Epson STYLUS CX3500 Service Manual page 184

EPSON Stylus CX3500/CX3600/CX3650/CX4500/CX4600
Table 7-7. CN7 - Print Head
Pin Signal Name I/O
1 COI I
2 CSDA I/O
3 CRST O
4 GND2 —
5 CVDD O
6 CSCK I/O
7 NC —
8 GND —
9 ENCB I
10 EVDD O
11 ENCA I
12 NC —
13 PW I
14 GND —
15 LEDON —
Table 7-8. CN8 - CR Motor
Pin Signal Name I/O
1 CR-A O
2 CR-B O
Table 7-9. CN9 - PF Motor
Pin Signal Name I/O
1 PF-A O
2 PF-B O
APPENDIX
Function
Cartridge detect signal
CSIC transmit and receive data
Reset signal for address counter of CSIC
Ground
Power supply for CSIC
Clock signal for CSIC read/write
Not connected
Ground
Encoder feed back signal ch.B
Power for CR Encoder
Encoder feed back signal ch.A
Not connected
PW Sensor signal
Ground
Power supply for PW sensor
Function
CR Motor drive signal (A)
CR Motor drive signal (B)
Function
PF Motor drive signal (A)
PF Motor drive signal (B)
Connector Summary
Table 7-10. CN10 - Scanner Motor
Pin Signal Name I/O
1 B O
2 AX O
3 A O
4 BX O
Table 7-11. CN11 - Scanner Carriage
Pin Signal Name I/O
1 OS O
2 VAD —
3 GND —
4 M O
5 RS O
6 TR O
7 GND —
8 VDD —
9 LED R O
10 LED G O
11 LED B O
12 LED CA —
Revision A
Function
Phase drive signal (-A)
Phase drive signal (B)
Phase drive signal (A)
Phase drive signal (-B)
Function
Output signal
Power supply for filtered 5V_SW (analog)
Ground
Clock
Reset
Shift pulse
Ground
Power supply for 5V_SW (digital)
LED cathode (Red)
LED cathode (Green)
LED cathode (Blue)
Power supply for LED
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