Brother MFC7050C Service Manual page 145

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