Brother MFC-7050C, Service Manual

Page: 145 / 153

2
P 4
H O O K
B 2 B - P H
( R E D )
S 0 V
6
R 1 3
2 0 K
R S E N
1 1
P 6 B - P H
H O O K
2
1
R 1 8 3
1 0 0
R 1 8 2
2 . 2 K
+ 5 V
I N K
R 0 V
3
6
5
4
S 0 V
+ 3 . 3 V
P 1 3
P A N E L
1 0
R 9 5 1 K
# 1 3
7 4 H C T 7 0 0 7 A F x 2
# 1 3
7 4 H C T 7 0 0 7 A F x 2
S 0 V
4 S 0 V
1
3
B 4 B - P H
( R E D )
+ 3 0 V
2
C 2 2
C C 1 0 2
P 1 1
C O V E R
B 2 B - P H
( B L U E )
S 0 V
C O V E R
R 1 6 5
0
R 1 5 8
N C
R 5 V
R 1 7 3
1 0 K
R 0 V
C 2 6 1
N C
P 1 7
C I S
+ 5 V
3
C 1 3 7
C C 1 0 4
R 5 V
R 0 V
B 7 B - P H
1
1
2
C 1 4 8
C C 1 0 4
R 3
2 W
4 7
+ 3 . 3 V
+ 5 V
R 1 2
2 2 0 ( 2 1 2 5 )
C 2 1
C C 1 0 2
4
R 0 V
2
Q 5
2 S D 1 8 5 8
Q 1 8
2 S C 3 9 2 8 A
5
6
7
# 1 3
7 4 H C T 7 0 0 7 A F
R 9 8
1 0 0
R 9 7 1 0 0
R 1 0 0 1 0 0
C 1 0 9
C C 1 0 2
C 9
1 6 V / 1 0 0
R 9 9
4 . 7 k
R 9 6
1 0 0 K
R 1 6 2
2 2 K
C C 1 0 2
C C 1 0 2
C C 1 0 1
C C 1 0 2
+ 5 V
+ 5 V
S D I N
S D O U T
1
S 0 V
L E D
R D C K 1
S I
R 1 6 3 2 2 0
R 1 6 9
1 0 K
+
R E F H
C 1 6 6
C C 1 0 2
R E F L
R 1 1
1 0 0
# 1 3
7 4 H C T 7 0 0 7 A F
P C L K
C I S I N
5
R 1 0
2 . 2 K
8 9
P 1 2
I N K
3
2
1
4
C 1 0 7
C 1 1 0
C 1 1 1
C 1 0 8
(
)
D A I N K
Q 6
D T C 1 1 4 Y K
R 1 4
1 K
S 0 V
R 1 6 8 0
R 1 6 4 2 2 0
1 4
7
+ 5 V
S O V
C 1 4 6
C C 1 0 4
+ 5 V
S O V
+ 5 V
S 0 V R 0 V
R 5 V
R 1 6 7
0
( 2 1 2 5 )
R 1 7 0
0
( 2 1 2 5 )
R 1
1 W
3 0
R 1 6 6
1 0
( 2 1 2 5 )
S 0 V
C 1 6 2
C C 1 0 4
(
)
L 1 3
1 6 0 8 L L 1 2 1
x 2
L 1 4
L 1 1
1 6 0 8 L L 1 2 1
x 2
L 1 2
3 3 C
1 2 C
1 4 D
1 2 C
1 2 C
8 2 C
1 4 D
1 4 D
1 4 D
1 4 B
1 4 D
1 4 D
8 3 B
1 1 B
A
B
1 2 3
C
D
1 2 3 5 6
A
B
C
D
6
4
4 5
A Main PCB 7/10