Brother HL-2150N, Service Manual

Page: 164 / 177

6-2
Confidential
■
Main PCB Circuit Diagram (2/4)
D
B
A
C
E
F
E
D
B
A
C
F
8 7 6
1 8 7 6 5 4 3 2
4 3 2 1 5
0 0 0 5 R C
] 7 [ R D A
] 0 1 [ R D A
] 6 [ R D A
] 5 [ R D A
] 7 [ A T A D
] 3 1 [ A T A D
] 3 [ A T A D
] 5 [ A T A D
] 2 1 [ A T A D
] 1 [ A T A D
] 4 [ A T A D
] 6 [ A T A D
g n i d r a u g
] 0 [ A T A D
] 0 1 [ A T A D
] 8 1 [ R D A
] 9 [ A T A D
] 5 1 [ A T A D
] 9 1 [ R D A
] 2 [ A T A D
] 0 2 [ R D A
] 1 1 [ A T A D
] 9 [ R D A
] 8 [ A T A D
] 4 [ R D A
] 4 1 [ A T A D
] 3 [ R D A
] 2 [ R D A
] 1 [ R D A
] 0 [ A T A D
] 1 [ A T A D
] 2 [ A T A D
] 3 [ A T A D
] 4 [ A T A D
] 5 [ A T A D
] 6 [ A T A D
] 7 [ A T A D
] 8 [ A T A D
] 9 [ A T A D
] 0 1 [ A T A D
] 1 1 [ A T A D
] 2 1 [ A T A D
] 3 1 [ A T A D
] 4 1 [ A T A D
] 5 1 [ A T A D
] 1 [ R D A
] 2 [ R D A
] 3 [ R D A
] 4 [ R D A
] 5 [ R D A
] 6 [ R D A
] 7 [ R D A
] 8 [ R D A
] 9 [ R D A
] 0 1 [ R D A
] 1 1 [ R D A
] 2 1 [ R D A
] 3 1 [ R D A
] 4 1 [ R D A
] 5 1 [ R D A
] 6 1 [ R D A
] 7 1 [ R D A
] 8 1 [ R D A
] 9 1 [ R D A
] 0 2 [ R D A
] 1 2 [ R D A
] 2 2 [ R D A
] 7 1 [ R D A
3 D D V
3 9 1 R @
k 1
3 D D V
C 3 - 1
0 N S C M O R
1 4 2 P T
V 0
7 8 1 C
1 0 1 C
C 1 - 1
N T S R
B 5 - 4 / B 1 - 4 / C 3 - 1
N D R O I
V 0
B 5 - 4 / B 1 - 4 / C 3 - 1
N E W O I
8 8 1 C @
3 0 1 C
C45
C103
C 3 - 1
K L C D S
C 1 - 4 / C 1 / B 5 - 1
] 6 1 [ R D A
1 9 1 P T
1 A R
8 6
2 7
1 8
3 6
4 5
5 A R
8 6
2 7
1 8
3 6
4 5
C 1 - 4 / C 1 / B 5 - 1
] 8 [ R D A
C 1 - 4 / C 1 / B 5 - 1
] 1 1 [ R D A
C 1 - 4 / C 1 / B 5 - 1
] 4 1 [ R D A
C10
C103
D 5 - 4 / B 1 / A 1 / C 1 - 4 / B 5 - 1
] 1 - 2 2 [ R D A
5 5 R @
0
t i b M 2 1 5 / 6 5 2
C 1 - 4 / C 1 / B 5 - 1
] 5 1 [ R D A
2 0 2 P T
4 A R
8 6
2 7
1 8
3 6
4 5
5 8 2 P T
0 9 1 P T
C 1 - 4 / C 1 / B 5 - 1
] 3 1 [ R D A
C9
C103
C 3 - 1
N S C D S 3 D D V
9 8 1 P T
C46
C103
C 1 - 4 / C 1 / B 5 - 1
] 2 1 [ R D A
B 5 - 4 / E 1 - 4 / B 2 - 1
] 0 - 5 1 [ A T A D
V 0
6 4 2 P T
3 D D V
6 A R
8 6
2 7
1 8
3 6
4 5
G F _ N A L
6 R
0
V 0
2 1 P T
2 G F V 0
1 G F
8 2 1 R
0
7 R
0
3 G F
8 R
0
2 0 1 R
0
2 1 1 R
0
6 9 2 P T
4 9 2 P T
V 0
4 G F
6 7 2 P T
7 3 R
0
5 1 1 C
0
1 G F
G F _ B S U
6 2 1 R
0
0 1 P T
V 0
7 P T
5 2 1 R
0
1 C
3 0 1 C
T E R 4 2
3 0 1 C
3 0 1 C
T E R 4 2
3 3 1 C
3 0 1 C
5 D D V
5 7 1 C
0
3 1 C
3 0 1 C
9 6 1 R
k 7 . 4
2 C
3 0 1 C
9 5 1 C
3 0 1 C
7 8 C
3 0 1 C
2 3 1 C
3 0 1 C
4 2 D D V
4 0 1 C
0
V 0
7 7 1 R
k 7 . 4
6 7 1 R
k 7 . 4
2 7 C
3 0 1 C
0 3 1 C
3 0 1 C
7 5 1 C
0
3 D D V
V 0
2 7 1 C
0
3 C
3 0 1 C
1 3 1 C
3 0 1 C
V 0
6 1 1 C
3 0 1 C
1 5 1 R
k 7 . 4
5 C @ 0
3 R @ 0
C8
C103
C7
C103
C11
C103
V 0
V 0
N A L W _ G F
1 1 1 R @
0
V 0
8 P T
3 D D V
8 U @
2 R I C T 0 9 M 4 6 0 L G 9 2 S
E C
6 2
E O
8 2
E W
1 1
E T Y B
7 4
T E S E R
2 1
C C A / R W
4 1
0 A
5 2
1 A
4 2
2 A
3 2
3 A
2 2
4 A
1 2
5 A
0 2
6 A
9 1
7 A
8 1
8 A
8
9 A
7
0 1 A
6
1 1 A
5
2 1 A
4
3 1 A
3
4 1 A
2
5 1 A
1
6 1 A
8 4
7 1 A
7 1
8 1 A
6 1
9 1 A
9
0 2 A
0 1
1 2 A
3 1
C C V
7 3
7 2 S S V
7 2
6 4 S S V
6 4
Y B / Y R
5 1
0 Q D
9 2
1 Q D
1 3
2 Q D
3 3
3 Q D
5 3
4 Q D
8 3
5 Q D
0 4
6 Q D
2 4
7 Q D
4 4
8 Q D
0 3
9 Q D
2 3
0 1 Q D
4 3
1 1 Q D
6 3
2 1 Q D
9 3
3 1 Q D
1 4
4 1 Q D
3 4
1 - A / 5 1 Q D
5 4
1 U @
E - 5 7 - A T F A 6 1 5 2 S D E
S C
9 1
S A R
8 1
S A C
7 1
E W
6 1
M Q D L
5 1
M Q D U
9 3
K L C
8 3
E K C
7 3
0 A B
0 2
1 A B
1 2
0 A
3 2
1 A
4 2
2 A
5 2
3 A
6 2
4 A
9 2
5 A
0 3
6 A
1 3
7 A
2 3
8 A
3 3
9 A
4 3
P A / 0 1 A
2 2
1 1 A
5 3
6 3 C N
6 3
0 4 C N
0 4
1 D D V
1
4 1 D D V
4 1
7 2 D D V
7 2
3 Q D D V
3
9 Q D D V
9
3 4 Q D D V
3 4
9 4 Q D D V
9 4
8 2 S S V
8 2
1 4 S S V
1 4
4 5 S S V
4 5
6 Q S S V
6
2 1 Q S S V
2 1
6 4 Q S S V
6 4
2 5 Q S S V
2 5
0 Q D
2
1 Q D
4
2 Q D
5
3 Q D
7
4 Q D
8
5 Q D
0 1
6 Q D
1 1
7 Q D
3 1
8 Q D
2 4
9 Q D
4 4
0 1 Q D
5 4
1 1 Q D
7 4
2 1 Q D
8 4
3 1 Q D
0 5
4 1 Q D
1 5
5 1 Q D
3 5
3 D D V
5 6 C
3 0 1 C
) 8 0 6 1 (
T E R 4 2
4 2 D D V
4 0 1 R
0
4 7 R
0
M O R , M A R D
H S A L F l e l l a r a P
M A R D S
1 G F
2 G F
5 G F
3 G F
4 G F
y g o l o p o T S U B A T A D
C I S A M A R D S
H S A L F
y r o m e M
B S U
T S O H
N A L
m h o 8 6
m h o 3 3
m h o 3 3
y g o l o p o T S U B S S E R D D A
C I S A
m h o 2 2
M A R D S
H S A L F
y r o m e M
m h o 0 0 1
N A L
B S U
T S O H
m h o 0 0 1
N A L
H S A L F
y r o m e M
M A R D S
C I S A
m h o 2 2
m h o 0 0 1
5 - 1 R D A
3 2 - 6 R D A
NAME
CODE
CIR B512257
LV0034-001 (2/4)