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L1402 15u
R1409 R1411 R1407
4700 12K 2700
LB1400
J0JHC0000048 C1412 C1421 C1413
0.01 0.1 10V470
6 5 4 8 7 6 5
D D S
Current
Drive
GND
Feed
Back
Gate
FET
Sence
D1BFR0270001
Q1400 IC1401
D1401
B1DHDD000022 C0DBAKG00005
R1406
B0JCPD000021 (REG.DR+5V) (DC-DC CONVERTER)
Vref/SS
PWON
Vin
CC
D D G
1 2 3 1 2 3 4
C1411
180P
IP1401
K5H3022A0013
R1405
L1400 10u 51K
2 1 C1409
0.1
R1410 150 R1404 1K C1407 C1408 C1410
P 25V220 0.1 0.022
R1402
820
C1406 R1401
6V680 L1401 100K
33u L1601 15u
C1405 R1605 R1604 R1603
1000P 2700 15K 2400
LB1600
J0JHC0000048 C1606 C1608 C1607
0.01 0.1 10V680
8 7 6 5 6 5 4 8 7 6 5
Vout
Amp(-)
Amp out
GND
D D S
Current
Drive
GND
Feed
Back
Gate
FET
Sence
D1BFR0150001
D1400
B0JCPE000015 IC1400 Q1600 IC1601
C0DAAJG00007 B1DHDD000022 C0DBAKG00007
R1601
(DC-DC CONVERTER) D1601 (REG.XSW+5.8V OUT) (DC-DC CONVERTER)
B0JCPD000021
ON/OFF
Vref/SS
PWON
CTL.
OSC
S/S
Vin
Vin
CC
D D G
1 2 3 4 1 2 3 1 2 3 4
C1605
180P
IP1601
A K5H3022A0013
C1400 C1401 C1402 C1403 C1404 R1602
25V220 1 0.01 390P 4700P 51K
C1603
QR1301 2 1 0.1 TO P1501
UNR221300L C1601 C1602 C1604 MAIN P.C.B.
L1270 (POWER ON H :ON) 25V220 0.1 0.1 (MAIN NET SECTION)
10u P
P1102
1
2 X SW 5.8V
3 X SW 5.8V
4 X SW 12.4V
5 X SW 12.4V
C1272 6 GND
16V1000
7 GND
R1311 8 GND
4700
9 GND
C1273 10 GND
16V120
11 POWER ON H
8 7 6 5 12 D1.5V
QR1303
D
13 D1.5V
UNR221300L 14 X SW 3.8V
(POWER ON/OFF L1701 22u 15 DR P ON H
CTL.SW) Q1270 16 DR12V
B1DHED000008 R1705 R1704 R1703 17 DR12V
(DR+12V OUT) 4700 10K 0 18 DRGND
19 DRGND
LB1700
QR1302 J0JHC0000048 20 DR5V
C1706 C1707
UNR221300L
G
S
0.01 6V680 21 DR5V
(DR P ON H :ON) 1 2 3 4 6 5 4 8 7 6 5 22 HDD PFAIL L
D D S
Current
Drive
GND
Feed
23
Back
Gate
FET
Sence
L1503
10u
D1BFR047A010
R1270 R1271
4700 4700 Q1700 IC1701
B
D1701
B1DDCC000009 C0DBAKG00005 TO HDD
R1701
B0JCPE000015 (REG.XSW+3.8V) (DC-DC CONVERTER) R1518 10K P1103
Vref/SS
1 DR12V
PWON
R1800 D1800 C1274 QR1304 2 DR GND
Vin
CC
470 MA2J11100L R1801 C1800 0.1
100K 25V47 UNR221300L D D G 3 DR GND
(DR P ON H :ON) 1 2 3 1 2 3 4 5 4 4 DR5V
VCC VOUT
C1513 C1514
QR1800 C1705 10V470 0.01
UNR211300L 120P
(SWITCHING) R1803 -
10K +
C1703
0.1 R1702 IC1501
QR1801 33K Vref C0EBJ0000143
R1802
4700 UNR221300L (HDD PFAIL L OUT)
(SWITCHING)
C1701 C1702 C1704 1 2 3
25V220 0.1 0.01
DMR-EH50EB/EG/EP,EH52EG DMR-EH50EB/EG/EP,EH52EG
Power Supply Power Supply
Schematic Diagram Schematic Diagram
C
12 13 14 15 16 17 18 19 20 21 22