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IC1521
ANA +3.3V SWITCHING REGULA TOR
IC-DET AIL BLOCK DIAGRAM
8
7
6
5
VIN
NC
NC
CONT
DRIVER
BIAS
CURRENT
THERMAL
LIMITTER
SHUTDOWN
REFERENCE
VOUT
NC
CN
GND
1
2
3
4
T
X_SW_3R3V
T
RESET_5R2V
T
FANOUT
T
FANLOCK
T
P_SAVE_L
P
IP1501
LB1503
1
TO P1102
POWER P.C.B.
P1501
X_SW15R5V
1
X_SW5R8VT
2
X_SW5R8V
3
X_SW5R8V
4
X_SW5R8V
5
X_SW5R8V
6
GND
7
GND
8
GND
9
GND
10
G1501$
LB1502
GND
11
X_SW12V
12
X_SW12V
13
C1515
X_SW12V
14
X_SW12V
15
X_SW3R8V
16
X_SW3R8V
17
P_ON_H
18
X_SW3R8V
19
P_SAVE_L
20
FANLOCK
21
FAN_GND
22
FANOUT
23
A
B
IC1507
XSW +5.2V SWITCHING REGULA TOR
IC-DET AIL BLOCK DIAGRAM
8
7
6
5
VIN
CONT
DRIVER
BIAS
REFERENCE
CURRENT
LIMITTER
THERMAL
SHUTDOWN
VOUT
CN
GND
1
2
3
4
2
LB1504
C1518
LB1506
TO
MAIN NET SECTION
(3/4)
D
C
IC1510
1
2
3
4
5
VO
NC
VIN
GND
CNT
ANA5V
ANA3R3V
3
2
1
GND
NC
VO
4
5
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK
E
F
G
WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE.
8
7
6
5
1
2
3
4
1
2
3
4
5
8
7
6
5
1
2
3
4
6
7
8
9
10
HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
IC1510
TU +5V SWITCHING REGULA TOR
IC-DET AIL BLOCK DIAGRAM
IC
VIN
H
:ON
VOUT
NC
GND
1
2
3
4
5
IC1505
XSW +3.3V SWITCHING REGULA TOR
IC-DET AIL BLOCK DIAGRAM
Vin
Vout
1
5
IC
CONT
3
NC
4
GND
2
IC1520
ANA +5V SWITCHING REGULA TOR
IC-DET AIL BLOCK DIAGRAM
5
1
VOUT
VIN
IC
NR
GND
H
:ON
2
3
4
LOCATION MAP
F
1/4
2/4
E
D
C
B
3/4
4/4
A
1-5
6-10
DMR-EH65EC
DMR-EH65EP
MAIN NET SECTION 1/4
SCHEMATIC DIAGRAM
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