Brother FAX 750, Service Manual

Page: 187 / 218

L I N E
E
M
B
C
-
1 2
4
A - O U T
7
3
1
3
6
4
R D P S
D A S N D
-
+
R L 2
P L S
3
6
4
+ 2 4 V
+ 5 V
S 0 V
1
2
4
3
S 0 V
5
6
T E L O F F
1
R E F
P O L
F G
4
3
1
2
+
M
B
C
M
B
C
C
B
M
E
S 0 V
R E F
C M L
S 0 V
T E L O F F
C M L
2
S 0 V
C N 3
4 - 4 P M J
+ 5 V
+
-
R E F
S O V
S 0 V
R E F
4
1 1
+ 5 V
S 0 V
E
T E L R L
R L 1
+ 5 V
S 0 V
- +
+ -
1 2
1 1
1 0
8
3
2
5
1
9
6
7
1 3
1 8
1 7
1 5
4
E A R T H
1 4
-
+
R E F
4
1
R D P S
S 0 V
S 0 V
3
2
P L S
1
1 2
D A S T
C H 2
D
G
S
D A S N D
-
+
S 0 V
A - O U T
A D L C
+ 5 V
S 0 V
1 6
S 0 V
-
+
+ 5 V
1
2
4
3
1
2
4
3
R E F
S 0 V
R E F
E A R T H
S 0 V
S P 8
F L 5 R 2 0 0 P N
X 4
L 9
L 8
L 1 0
L 6
L 7
L 5
L 2
F L 5 R 2 0 0 P N
X 2
F L 5 R 2 0 0 P N
F L 5 R 2 0 0 P N
X 2
4 . 3 V X 2
J P 9 ( C )
( )
(
)
( )
J W 9
( 5 )
J W
2 5
J P 8
( C )
(
)
S
J W 1 0
( 5 )
J P 7 ( C )
J W 1 2
( 1 0 )
J W 6 ( 5 )
J W 5
( 1 0 )
J W 2 0
( 5 )
J P 4
( C )
(
)
Z D 1
Z D 2
J W 7 ( 5 )
J P 1 ( C )
+ 5 V ; J W 8 ( 5 ) , J W 1 5 ( 5 ) , J W 1 7 ( 1 0 ) , J W 2 9 ( 1 0 )
S 0 V ; J W 3 ( 5 ) , J W 4 ( 1 0 ) , J W 1 8 ( 1 0 ) , J W 2 6 ( 5 ) ,
J W 2 8 ( 5 ) , J P 3 ( C ) , J P 1 0 ( C )
+ 2 4 V ; J W 1 9 ( 5 ) , J W 2 7 ( 1 0 ) , J W 3 1 ( 1 0 ) , J P 1 2 ( C )
R E F ; J W 1 ( 5 ) , J W 2 ( 5 ) , J W 1 1 ( 1 0 ) , J W 1 4 ( 5 ) ,
J P 2 ( C ) , J P 5 ( C )
S I G N A L ; J W 2 1 ( 5 ) , J W 2 2 ( 1 0 ) , J W 2 3 ( 1 0 ) , J W 2 4 ( 1 0 )
( )
( 1 0 )
( )
( )
(
)
(
)
D A S T
S 0 V
J W 1 3
( 1 0 )
+ 5 V
R E F
T E L R L
R 6 0
D A S T
(
)
1
4
2
3
S 0 V
+ 5 V
Q 7
5
R E F
S 0 V S 0 V S 0 V
+ 5 V
S P 6
*
R E F
(
)
*
*
(
)
( )
*
*
(
)
A
B
1 2 3
C
D
1 2 3 5 6
A
B
C
D
6
4
4 5
B
NCU 1/2
(GERMANY, U.K., AUSTRALIA, NORWAY,
SWITZERLAND, IRELAND, DENMARK, SWEDEN)