Brother FAX-921 - Manual (Page 174)

S P O N
C I
T L O F
H O O K
C M L
D P S
P L S
T E L
R S T
V O L 1 ( O D )
S E N 6
S E N 1
T L O F 2
S E N 4
S E N 5
S E N 3
S E N 2
I O R D
R A S 1
A V D D
C M P L C
C M P T H
C M P V L
C P N N
R D A 6
R E F H
R E F L
A G N D
A 0
A 1
A 2
A 3
A 4
A 5
A 6
A 7
A 8
A 9
A 1 0
A 1 8
V D D
V D D
V D D
V D D
V D D
R N G L
T G
C L 2
C L 1
P W M C L P
R D C K 1
S T 1
S T 2
H D C
D O U T
L A T C
H R A D ( O D )
F O G M ( O D )
E E D A T
P C L K
S D I N
S D O U T
R A S 0
C A S
M E M R D
M E M W R
R O M C
T X D
R X D
R T S
C R X D
E A T
R T C C O N
R V D D
D M K
A M K
D M T
A M T
C 3
C 4
C 5
M U T
D 0
D 1
D 2
D 3
D 4
D 5
D 6
D 7
V S S
V S S
V S S
V S S
V S S
V S S
V S S
# 5
T 7 D 9 6
4 5
7 0
7 4
8 3
8 4
8 5
1 3 7
1 3 8
1 3 9
1 2 1
4 6
7 1
9 8
9 7
1 2 7
1 1 9
1 0 0
1 0 1
1 2 0
1 4 0
9 9
1 4 1
1 0 2
1 0 3
1 2 4
1 2 5
1 3 4
9 5
9 4
9 2
8 8
8
1 0
9
1 5
1 1
2 5
3 7
3 2
3 4
3 3
3 6
3 8
3 9
4 0
4 1
1
5 5
6 4
7 3
9 1
1 0 7
1 3 6
2
1 8
5 4
7 2
1 2 6
7 5
7 6
7 7
7 8
7 9
8 0
8 1
8 2
1 1 8
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 0 5
4 8
4 9
5 0
5 1
5 2
5 3
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 5
6 6
6 7
6 8
6 9
4 2
4 3
2 7
2 8
3
4
5
6
7
M B U S 2 3 C
A B U S 2 6 E
T B U S 4 8 B
G N D
G N D
+ 5 V
M U T E
D 0
D 1
D 2
D 3
D 4
D 5
D 6
D 7
T S T 2
A 0
A 1
A 2
A 3
A 4
A 5
A 6
A 7
A 8
A 9
A 1 0
A 1 1
A 1 2
A 1 3
A 1 4
A 1 8
T S T 1
R V D D
2 6 D , 2 7 A R M R D
4 6 D R N G L
3 2 A T G
3 2 E S T 1
3 2 E S T 2
4 2 F D A S N D
+ 5 V
4 2 F A D L C
3 2 D C P 3 I
4 3 A T E L L
4 6 E V O L 1
3 7 A F S E N
3 7 D C S E N
4 2 E E A T
4 5 A H R A D
4 5 B F O G M
V O L 3 ( O D )
1 4 4
4 2 F C I
4 2 F T L O 2
X T 1
C - 0 0 1 R
M M 2
S O L
P M 2
P M 3
M T I 1
1 6
2 0
2 1
2 4
R S T L 1 4 A
M T I 1
M M 3
8 7
1 2 2
R I N G
C 5 6
C C 1 5 P
C 6 7
C C 1 5 P
L 3
*
V D D
9 0
V D D
1 0 9
3 1
A G N D V S S
1 1 6
C 4
C 3
A P D M D T
D P D M D T
A P D M C K
D P D M C K P W M S N D
P W M R E C
1 3 3
1 2 8
9 6
1 3 1
1 3 2
1 3 0
1 2 9
+ 2 5 V
G N D
C 5 1
C C 1 0 4
R 5 7
7 5 K
R 5 8
1 0 K F
C 6 5
C C 1 0 4
P A N E L
P 9
G N D
1
2
3
4
7
R 3 8 1 0 0
C 2 6
*
# 5
T 7 D 9 6
G N D
C 5
R E X T
1 1 7
3 0
1 0 6
G N D
X T 2
2 0 . 7 3 6 M H Z
C 4 3
C C 1 0 P
C 4 4
C C 2 0 P
M C L K
1 0 8
M E X T L
+ 5 V
G N D
Q 5
R H 5 V A 4 3
V C C
O U T
G N D
R S T L 1 6 A , 4 7 B R 6 2
1 . 5 K
C 4 0
C 4 9
C C 1 0 4
9 3
D B U S 2 6 E
L 5 V
R 5 2
R 5 1
R 5 3
2 0 0 X 3
S O L 2 3 F
C 5 3
C C 1 0 4
4 7 E S P O N
4 3 E P L S
3 7 C R I B N
4 6 E V O L 3
3 5 E P W O N
3 2 E D O U T
1 3 5
E E C L K
R 3 1 4 7 0
C 2 5
C C 1 0 1
C 7 8
3 2 F L A T C
R X T
2 9
R 5 4
3 7 C R E A R
3 7 E H O O K
R 6 4 *
R 7 0 1 0 0
2 6 D R A S
2 6 D C A S
R 7 1 1 0 0
2 5 B E P C K
G N D
4 2 E R D P S
3 5 F , 4 3 C C M L H
L 5 V
L 1 2 L 1 0 2 B
G N D F G
T X D
R X D
C T S
R T S
C R X D
+ 5 V
G N D
R 6 1
7 5 F
C 5 0
C C 1 0 4
R 5 9
7 5 F
R 6 0
1 0 0 F
3 2 E H D C
3 3 C C P W M
2 5 B E P D O
4 5 E R N G O
2 6 D R M W E
2 7 B R O M C
C 2 8
*
C 3 9
4 1 F D A S T
R 8 8
R V D D
+ 5 V
D 1
M A 7 0 0
R 8 1
1 K
G N D
C 6 8
C C 1 0 4
G N D
C 3
A 1 5
A 1 6
A 1 7
8 9
D I N 3 2 E D I N
4 7
I O W R
3 2 A R B
R D C K 2
1 2
3 3 C C L M P R D C L P
1 3
P W M L E D
1 4
A 1 1
A 1 2
A 1 3
A 1 4
A 1 5
A 1 6
A 1 7
P M 4
2 2 M M 4
M T I 0
2 3 M T I 0
C T S
4 2 D O T O
1 2 3
O T O
P W O N
P I O 5
P M 1
1 7 M M 1
C K 1 H Z
2 6
M T X L
3 2 B V I D
3 5
C M P R D
V S S
4 4
V S S
1 9
8 6
P I O 6
1 0 4
P I O 7
1 4 3
P W M 4
+ 5 V
P 6
B 8 B - P H
W H I T E
2
5
P C I
4
8
7
1
6
3
G N D
1 6 B P B U S
C R X D
R T S
T X D
R X D
C T S
5
F R N T
3 7 B R S E N
P B U S 1 7 B
C 2 7
*
+ 5 V
R 3 9
1 0 0 K
L 1 0 L 1 0 2 B
6
+ 2 5 V
L 1 1
*
4 6 E V O L 2
1 4 2
V O L 2 ( O D )
C 4 8
C C 1 0 4
G N D
G N D
C 4 5
C C 1 0 4
4 3 D D A R E C
R 5 5 1 0 K
4 2 F T L O F
C 3 8
C C 1 0 4
C 4 1
C C 1 0 4
C 4 2
C C 1 0 4
C 4 6
C C 1 0 4
C 4 7
C C 1 0 4
C 5 2
C C 1 0 4
C 5 4
C C 1 0 4
C 6 4
C C 1 0 4
G N D
C 5 5
C C 1 0 4
3 3 B L I G T
R 6 3
1 0 K
R 5 6
1 5 0
G N D
R 9 0
*
R 3 7 2 7 0 L 5 L 1 0 2 B
L 8 L 1 0 2 B
L 6 L 1 0 2 B
L 7 L 1 0 2 B
L 9 L 1 0 2 B
R 9 1
1 5 0
R 9 3 1 0 0
R 9 2 1 0 0
1 2 3 4 5 6 7 8
2 1 3 4 5 6 7 8
A
B
C
D
E
F
A
B
C
D
E
F
A
Main PCB 1/5
(FAX750/FAX770/FAX-910/
FAX-920/FAX-921/MFC-925)