Brother MFC 1870MC, Service Manual, Page: 183 / 217

T A D
B I N A T O N E
L I N E
S
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 6 V
+ 5 V
S 0 V
5
6
T E L O F F 1
1
R E F
P O L
C H 2
F G
4
3
1
2
+
M
B
C
M
B
C
C
B
M
E
R E F
-
+
S 0 V
A - O U T
R 2 7
1 0 K
C M L
S 0 V
D A S T
T E L O F F 1
A D L C
C M L
2
S 0 V
C N 3
4 - 4 P M J
+ 5 V
+
-
S 0 V
S O V
D
G
S
D A S N D
T E L R L
S 0 V
R E F
+ 5 V
R E F
S 0 V S 0 V
+ 5 V
+ 5 V
S 0 V
E
J W 9
( 1 0 )
J W 1 0
( 1 0 )
J W 1 1
( 1 0 )
J W 8
( 1 0 )
T E L R L
R L 1
+ 5 V
S 0 V
S 0 V
- +
+ -
P 2
I M S A - 6 0 3 3 B
- 1 8 Z
1
2
P 1
B 2 B - P H
1 2
1 1
1 0
8
3
2
5
1
9
6
7
2 0
1 3
1 8
1 7
1 5
4
1 6
1 9
E A R T H
1 4
S 0 V
S 0 V
1
2
3
-
+
R E F
4 1 4 1
R D P S
S 0 V
S 0 V
R D P S
+ 5 V
3 3 2 2 3 2
4 1
S 0 V
1
2
4
3
P L S
J P 2 5
( 1 0 )
J P 2 6
( 5 )
J P 2 0 ( 5 )
J P 1 1
( 1 0 )
J P 8
( 5 )
J P 1 9 ( 2 0 )
J P
3 0
( C )
J P 2 2 ( 1 0 )
J P 2 1
( 2 0 )
J P 1 7 ( 5 )
J P 9
( 1 0 )
J P 2 7 ( C )
J P 3
( 1 0 )
S P 3
C 3 7
C C 3 3 3
L 1 3
3 3 2 K S 0 V
Z D 1 3
1 0 V
R 6 5
0
J P 2 8 ( C )
K I A 3 2 4 P
J P 2 9
J P 3 4
A
B
1 2 3
C
D
1 2 3 5 6
A
B
C
D
6
4
4 5
B
NCU
(GERMANY)