Epson 680Pro Service Manual - Page 126

Table 7-6. CN10 - Power Supply Board, Table 7-7. CN11 - C383PNL, Table 7-8. CN12 - CR Motor

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EPSON Stylus COLOR 680/777/777i Table 7-6. CN10 - Power Supply Board Pin Signal Name I/O Function 1 +42V --- Mechanism drive power supply 2 +42V --- Mechanism drive power supply 3 GND --- Ground 4 GND In Energy saving signal 5 NC In Not connected 6 GND --- Ground 7 GND --- Ground 8 +5V --- Logic power supply Table 7-7. CN11 - C383PNL Pin Signal Name I/O Function 1 SW3 In Panel switch on/off (3) 2 SW2 In Panel switch on/off (2) 3 GND --- Ground 4 +5V --- Logic power supply 5 LED0 Out LED drive signal (0) 6 LED3 Out LED drive signal (3) 7 PSC In Power on/off switch 8 SW1 In Panel switch on/off (1) Revision B Table 7-8. CN12 - CR Motor Pin Signal Name I/O Function 1 CRA Out Phase drive signal (A) 2 CRB Out Phase drive signal (-A) 3 CR-A Out Phase drive signal (B) 4 CR-B Out Phase drive signal (-B) Appendix Connector Summary 126

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EPSON Stylus COLOR 680/777/777i
Revision B
Appendix
Connector Summary
126
Table 7-6. CN10 - Power Supply Board
Pin
Signal Name
I/O
Function
1
+42V
---
Mechanism drive power supply
2
+42V
---
Mechanism drive power supply
3
GND
---
Ground
4
GND
In
Energy saving signal
5
NC
In
Not connected
6
GND
---
Ground
7
GND
---
Ground
8
+5V
---
Logic power supply
Table 7-7. CN11 - C383PNL
Pin
Signal Name
I/O
Function
1
SW3
In
Panel switch on/off (3)
2
SW2
In
Panel switch on/off (2)
3
GND
---
Ground
4
+5V
---
Logic power supply
5
LED0
Out
LED drive signal (0)
6
LED3
Out
LED drive signal (3)
7
PSC
In
Power on/off switch
8
SW1
In
Panel switch on/off (1)
Table 7-8. CN12 - CR Motor
Pin
Signal Name
I/O
Function
1
CRA
Out
Phase drive signal (A)
2
CRB
Out
Phase drive signal (-A)
3
CR-A
Out
Phase drive signal (B)
4
CR-B
Out
Phase drive signal (-B)