COPYRIGHT © 2001 CANON INC.
2000 2000 2000 2000
CANON SUPER G3FAX BOARD-J1 REV.0 JUNE 2001
CHAPTER 2 BASIC OPERATION
2-9
Off-hook detection PCB (J712)
¬ ®
Main controller PCB (J1059)
J712
J1059
signal
Description
1
1
OVA
+5V all-day power ground
2
2
5VB
+5V all-day power supply
3
3
OVD
not used
4
4
CICNT
not used
Off-hook detection PCB (J713)
¬ ®
Main power supply PCB (J204)
J713
J204
signal
Description
1
9
24VU3
+24V power supply
2
10
OVU3
+24V ground
Off-hook detection PCB (J715)
¬ ®
G3 fax control PCB (J104)
J715
J104
signal
Description
1
13
5VB
+5V all-day power supply
2
14
OVA
+5V all-day ground
Off-hook detection PCB (J718)
not used
Modular PCB (J912)
¬ ®
Modular Cable
J912
Cable
signal
Description
1
-
L22
not used
2
-
L21
not used
3
-
L12
telephone line 1 connection
4
-
L11
telephone line 1 connection
5
-
T2
not used
6
-
T1
not used