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LOCATION MAP
P:Power Supply Section:(Page:
IF:Digital I/F Section:(Page:
1/4
2/4
IC37001
FAN MOTOR DRIVE
3/4
4/4
IC-DETAIL BLOCK DIAGRAM
NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE
SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
C
P
UNREG36V
P
DR_PON_H
P
MGND
P
MECHA_12R5V
P
X_SW12R5V
P
X_SW6V
P
-29V
P
F+
P
F-
P
HDD_PFAIL
P
D_P_OFF_L1
P
D12V
P
D3R8V
P
GND
1
2
3
1
2
3
1
2
3
B
1
2 3
1
2 3
1
2 3
1
2
3
1
2
3
1
2
3
1
2 3
1
2 3
1
2 3
TO FAN MOTOR
P37001
K1KA03AA0301
1
FANOUT1
1
2
2
GND
3
FANLOCK1
3
A
A
B C
1
A
)
B
)
8
7
6
5
VDD
1
2
-
+
+
-
1
GND
1
2
3
4
2
K31007
VWJ0795=5
K31008
VWJ0795=10
2
1
Q37001
R37003
2
1
2SD0874A0L
820
3
8
7
6
5
8
7
6
5
1
2
3
4
1
2
3
4
K31005
R37001
R37002
VWJ0795=5
18K
10K
K31006
VWJ0795=5
1
2
TO
DIGITAL I/F SECTION
(3/4)
D
2
1 2
E
F
3
IC45001
X SW+6V SWITCHING REG.
IC-DETAIL BLOCK DIAGRAM
5
4
VOUT
IC
NR
GND
1
2
3
1
2
VOUT
NR
1
2
C45001
0.1
C45017
VWJ0795=5
C45018
VWJ0795=5
DMR-EH75VP
Digital I/F(1/4) Section
G
H
I
K
L M N O
P Q
R S
T
(Power & Digital I/F P.C.B.(2/2))
Schematic Diagram(IF)
4
B
VIN
H
:ON
1
2
3
5
6
7
8
9
10
11
12
VIN
ON[H]
13
14
15
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
5
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