Brother MFC640CW - Page 375

S0V
EXT
R2
22k
1/4W
R1
330
CN1
B2B-PH-K-E
1
La
2
Lb
+30V
SW1
ATXD204(TXD2-24V)
9
1
12
10
8
4
3
5
+30V
L6
DL-6503C
L5
DL-6503C
CN4
R41-4910-C
1
S
2
Ta
3
La
4
Lb
5
Tb
6
E
7
FG
8
FG
EXT
L1 DRL-0033PF
L4 DRL-0033PF
CN5
MJ-62J-RD315
3
Ta
4
Tb
7
FG
8
FG
C6
C102
KY
FG
C1
C102
KY
C2
C102
KY
POL
CN2
B2B-PH-K-Y
1
POL
2
S0V
S0V
POL
CN3
B2B-PH-K-K
1
+30V
2
EXT
SW1
A5X-G-24E
1
2
12
11
7
D3
C8
C473
C4
C153
D1
1SS120
C7
C682
C3
C153
JW3
JW2
C5
C474
L2
DL-6503C
S0V
JW1
D2 1SS120
JW4
L3
0
PH1
TLP629
A
K
E
C
to
MAIN
SDAA
to Main PCB
to
Line
to
EXT
A. MJ PCB
(European models except DCP340CW)
Confidential