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DMR-EH54DEG
L1400 10u
C1406
6V680
D1400
A
C1400
25V220
L1270
10u
C1272
16V1000
R1311
4700
QR1303
(POWER ON/OFF
CTL.SW)
QR1302
(DR P ON
H
:ON)
B
R1800
D1800
470
QR1800
(SWITCHING)
Note:
Marked $ (spare) parts are not assembled
Important Safety Notice:
!
Components identified with the mark have
the special characteristics for safety.
When replacing any of these components
use only the same type.
R1410 150
R1404 1K
R1402
820
R1401
100K
L1401
33u
C1405
1000P
8
7
6
5
IC1400
(DC-DC CONVERTER)
1
2
3
4
C1401
C1402
C1403
C1404
1
0.01
390P
4700P
QR1301
(POWER ON
H
:ON)
C1273
16V120
8
7
6
5
Q1270
(DR+12V OUT)
1
2
3
4
R1270
R1271
4700
4700
C1274
R1801
C1800
0.1
QR1304
100K
25V47
(DR P ON
H
:ON)
R1803
10K
QR1801
R1802
(SWITCHING)
4700
L1402 15u
LB1400
C1412
0.01
6
5
4
8
D
D
S
Q1400
D1401
(REG.DR+5V)
D
D
G
1
2
3
1
IP1401
2
1
C1407
C1408
25V220
0.1
P
L1601 15u
LB1600
C1606
0.01
6
5
4
8
D
D
S
Q1600
D1601
(REG.XSW+5.8V OUT)
D
D
G
1
2
3
1
IP1601
2
1
C1601
C1602
P
25V220
0.1
L1701 22u
LB1700
C1706
0.01
6
5
4
8
D
D
S
Q1700
(REG.XSW+3.8V)
D1701
D
D
G
1
2
3
1
C1701
C1702
25V220
0.1
54
R1409
R1411
R1407
4700
12K
2700
C1421
C1413
0.1
10V470
7
6
5
IC1401
(DC-DC CONVERTER)
2
3
4
C1411
180P
R1405
51K
C1409
0.1
C1410
0.022
R1605
R1604
R1603
2700
15K
2400
C1608
C1607
0.1
10V680
7
6
5
IC1601
(DC-DC CONVERTER)
2
3
4
C1605
180P
R1602
51K
C1603
0.1
C1604
0.1
R1705
R1704
R1703
4700
10K
0
C1707
6V680
7
6
5
L1503
10u
IC1701
(DC-DC CONVERTER)
R1518 10K
2
3
4
5
4
VCC
VOUT
C1513
C1705
10V470
120P
-
+
C1703
IC1501
0.1
R1702
Vref
33K
(HDD PFAIL
OUT)
L
C1704
1
2
3
0.01
TO P1501
MAIN P.C.B.
(MAIN NET SECTION)
P1102
1
2
X SW 5.8V
3
X SW 5.8V
4
X SW 12.4V
5
X SW 12.4V
6
GND
7
GND
8
GND
9
GND
10
GND
11
POWER ON
H
12
D1.5V
13
D1.5V
14
X SW 3.8V
H
15
DR P ON
16
DR12V
17
DR12V
18
DRGND
19
DRGND
20
DR5V
21
DR5V
22
HDD PFAIL
L
23
TO HDD
P1103
1
DR12V
2
DR GND
3
DR GND
4
DR5V
C1514
0.01
DMR-EH54DEG
POWER 2/2
SCHEMATIC DIAGRAM
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