Epson Stylus Photo 750 - Page 104

EPSON Stylus Photo 750 Revision A
Appendix Connector Summary 99
Table 7-8. Connector CN9 Table 7-9. Connector CN10
Table 7-10. Connector CN11
Pin Signal Name I/O Function
15 GND -- Ground
16 NCHG Out All Head On Pulse Output
17 GND -- Ground
18 VDD --- Logic power supply (+5V)
19 GND2 -- Ground
20 GND2 --- Ground
21 GND2 --- Ground
22 GND2 --- Ground
23 COM --- Head Drive Power Supply
24 COM --- Head Drive Power Supply
25 COM --- Head Drive Power Supply
26 COM --- Head Drive Power Supply
27 VHV --- Head Drive Voltage Control Signal
Pin Signal Name I/O Function
1 +42V --- Mechanism Drive Power Supply
2 +42V --- Mechanism Drive Power Supply
3 GND --- Ground
4 GND --- Ground
5 PSC Out
Power Supply Switch Output
Signal
6 GND --- Ground
7 GND --- Ground
8 +5V --- Logic Power Supply
Pin Signal Name I/O Function
1 SW2 In Panel Switch on/off (2)
2 SWO In Panel Switch on/off (0)
3 PSC In Power on/off switch
4 SW1 In Panel switch input (1)
5 LED3 Out LED drive signal (3)
6 +5V --- Logic power supply
7 +5V --- Logic power supply
8 LED2 Out LED drive signal (2)
9 GND --- Ground
10 LED1 Out LED drive signal (1)
11 GND -- Ground
12 LE0 Out LED drive signal( 0)