Brother International MD-817 Service Manual - Page 104
Circuit, Diagram
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( HIC CIRCUIT DIAGRAM ) M INP CIRCUIT (228307001) +5V IN +5V 8 OV OUT Pin No (IN-OUT) IN OUT IN 2 3 11 4 5 13 6 7 16 9 10 18 OUT 12 14 15 17 IN OUT 19 20 22 21 24 23 25 26 2 OUT DRIVE (228308001) +5V 17 O 18 zs T +5V 2 3, 6, 9, 11, 13 15 O 19, 21, 23 25 O 27, 29 O 8 +5V • 4, 7, 10, 12, 14 • 16 MoVt--+5V Q 20, 22, 24 O 26 O 28, 30 1 0V 7-CW --- 4 - 1OO -
(
HIC
CIRCUIT
DIAGRAM
)
M
INP
CIRCUIT
(228307001)
IN
8
+5V
+5V
OV
2
OUT
DRIVE
(228308001)
17
OUT
+5V
+5V
T
zs
Pin
No
(IN
-OUT)
IN
OUT
IN
OUT
IN
OUT
2
3
11
12
19
20
4
5
13
14
22
21
6
7
16
15
24
23
9
10
18
17
25
26
O
18
2
3,
6,
9,
11,
13
•
15
•
19,
21,
23
O
MoV
t---
Q
25
O
O
+5V
27,
29
O
O
+5V
8
0V
7W
----
C
4
4,
7,
10,
12,
14
16
20, 22,
24
26
28,
30
1
-
1OO
-