Brother 8250P - FAX B/W Laser Printer Service Manual page 183

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