Canon iPF720 Service Manual page 151

J3401 (to carriage relay PCB)
Pin Number Signal name
1 VMGND
2 VMGND
3 VMGND
4 VMGND
5 VH_MONI1
6 VH_ENB
7 VH_MONI2
8 GND
9 +3.3V
10 +3.3V
11 GND
12 SNS5V
13 SNS5V
14 VM
15 VM
16 VM
17 VM
18 VM
19 VM
20 VM
21 VM
22 VMGND
23 VMGND
24 VMGND
25 VMGND
J3601 (to carriage relay PCB)
Pin Number Signal name
1 GND
2 H1-D-DATA-7-OD_B
3 GND
4 H1-E-HE-8_B
5 GND
6 H1-E-DATA-8-EV_B
7 GND
8 H1-F-DATA-10-OD_B
9 GND
10 H1-E-DATA-9-OD_B
11 GND
12 H1-F-HE-10_B
13 GND
14 H1-F-DATA-11-OD_B
15 GND
16 H1-F-HE-11_B
17 GND
18 H1-F-DATA-11-EV_B
19 GND
20 H1-F-DATA-10-EV_B
21 GND
22 H1-E-HE-9_B
23 GND
24 H1-E-DATA-9-EV_B
25 GND
26 H1-B-DATA-2-OD_B
27 GND
28 H1-B-DATA-3-OD_B
29 GND
30 H1-C-HE-4_B
31 GND
32 H1-C-DATA-4-OD_B
33 GND
34 H1-B-HE-2_B
T-6-20
IN/OUT Function
- GND
- GND
- GND
- GND
IN VH control signal 1
OUT VH power supply ON/OFF signal
IN VH control signal 2
- GND
OUT Power supply (+3.3V)
OUT Power supply (+3.3V)
- GND
OUT Power supply (+5V)
OUT Power supply (+5V)
OUT Power supply (+32V)
OUT Power supply (+32V)
OUT Power supply (+32V)
OUT Power supply (+32V)
OUT Power supply (+32V)
OUT Power supply (+32V)
OUT Power supply (+32V)
OUT Power supply (+32V)
- GND
- GND
- GND
- GND
T-6-21
IN/OUT Function
- GND
OUT Odd head data signal 7(D)
- GND
OUT Head heat enable signal 8(E)
- GND
OUT Even head data signal 8(E)
- GND
OUT Odd head data signal 10(F)
- GND
OUT Odd head data signal 9(E)
- GND
OUT Head heat enable signal 10(F)
- GND
OUT Odd head data signal 11(F)
- GND
OUT Head heat enable signal 11(F)
- GND
OUT Even head data signal 11(F)
- GND
OUT Even head data signal 10(F)
- GND
OUT Head heat enable signal 9(E)
- GND
OUT Even head data signal 9(E)
- GND
OUT Odd head data signal 2(B)
- GND
OUT Odd head data signal 3(B)
- GND
OUT Head heat enable signal 4(C)
- GND
OUT Odd head data signal 4(C)
- GND
OUT Head heat enable signal 2(B)
Chapter 6
6-5