Epson Stylus Pro 5000 Service Manual page 196

Stylus Pro5000
Table 7-11. Connector CN11
Pin Signal Name I/O
1 CO
2 THM
3,5,7,9, GND
11,13,15
4 LAT O
6 SI3 O
8 SI2 O
10 SI1 O
12 CLK O
14 NCHG O
16 VDD O
GND2
17∼19
COM O
20∼22
VHV O
23∼24
Table 7-12. Connector CN12
Pin Signal Name I/O
1 PW-SIG
2 PW-VCC O
3 GND
4 EN-A
5 EN-B
6 Vcc O
Rev. A
Function
- Not used
I Head Temperature signal
- Ground
Print data latch control signal
Serial data 3(Row 3)
Serial data 2(Row 2)
Serial data 1(Row 1)
Clock signal for data transmission
Charge pulse for trapezoidal wave-
form
Power for nozzle selector
- Ground
Common pulse(Trapezoidal) output
Dot Control reference voltage
Function
I Paper width detection signal
Power for paper with sensor
- Ground
I PTS encoder signal phase A
I PTS encoder signal phase B
Power for Linear encoder sensor
Table 7-13. Connector CN13
Pin Signal Name I/O
1 PSC
2,4,6 GND
3 SW0
5,7,9 +5V
8 SW1
10 SW2
11 CKL
12 SW3
13 LEDDAT
14 CKS
Table 7-14. Connector CN14
Pin Signal Name
1 Phase drive signal (A)
2 Phase drive signal (/A)
3 Phase drive signal (B)
4 Phase drive signal (/B)
Table 7-15. Connector CN15
Pin Signal Name
1 Phase drive signal (A)
2 Phase drive signal (B)
3 Phase drive signal (/A)
4 Phase drive signal (/B)
Chapter7 Appendix
Function
O Power switch state detection signal
- Ground
I Power switch
O Signal source for all control switch
I Reset switch
I Cleaning switch
O CLK pulse for Switch state detection
I Ejecting switch
O LED indication while receiving data
CLK pulse for Switch state detection
I/O Function
O CR Motor Phase A
O CR Motor Phase /A
O CR Motor Phase B
O CR Motor Phase /B
I/O Function
O PF Motor Phase A
O PF Motor Phase /A
O PF Motor Phase B
O PF Motor Phase /B
7-3