Epson Stylus Photo 720 Service Manual page 123

EPSON Stylus Photo 720 / EPSON Stylus Photo EX3
Table 7-4. Connector CN6
Pin Signal Name I/O
1 ASF In
2 GND ---
3 ASFV ---
Table 7-5. Connector CN7
Pin Signal Name I/O
1 PFA Out
2 PF-A Out
3 PFB Out
4 PF-B Out
Table 7-6. Connector CN8
Pin Signal Name I/O
1 GND ---
2 GND ---
3 GND ---
4 LAT Out
5 GND ---
6 CH Out
7 GND ---
8 VDD Out
9 GND ---
10 VHV Out
11 GND2 ---
12 GND2 ---
Appendix
Function
Sensor detect signal
Ground
Sensor power supply
Function
Phase drive signal (A)
Phase drive signal (-A)
Phase drive signal (B)
Phase drive signal (-B)
Function
Ground
Ground
Ground
Serial data latch signal
Ground
MS/VS trapezoid waveform select signal
Ground
+ Nozzle selector 5V power supply
Ground
+ Nozzle selector +42V power supply
Ground
Ground
Connector Summary
Table 7-6. Connector CN8
Pin Signal Name I/O
13 GND2 ---
14 COM Out
15 COM Out
16 COM Out
Table 7-7. Connector CN9
Pin Signal Name I/O
1 NCHG Out
2 GND ---
3 SCK Out
4 GND ---
5 SP Out
6 SI6 Out
7 SI5 Out
8 SI4 Out
9 SI3 Out
10 SI2 Out
11 SI1 Out
12 GND ---
13 GND ---
14 THM In
15 COC In
16 COB In
Revision A
Function
Ground
PZT drive signal
PZT drive signal
PZT drive signal
Function
All nozzle drive signal
Ground
Serial data clock signal
Ground
CH signal select signal
Serial data
Serial data
Serial data
Serial data
Serial data
Serial data
Ground
Ground
Head temperature signal
Color ink cartridge sensor signal
Black ink cartridge sensor signal
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