5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
+12V Power
5V STANDBY TO 5V NORMAL
((42/7.5)+1)*0.8=5.28V
12V TO 5V STANDBY
DC/DC
5A
((40.2/7.68)+1)*0.8=5V
DC/DC
STANDBY
STANDBY
STANDBY
AGND
GND
12V_
Nor
mal
12V_P
WR
5V_
Nor
mal
5V_S
tandby
5V_S
tandby
12V_P
WR
12V_P
WR
5V_
USB
5V_
Nor
mal
STANDBY
2,16
GND
2,3
,4,5
,6,7
,8,9
,10
,11
,12
,13
,14
,16
L1014
6U
8/3A
/NC
R1498
24
.9K_1
%/NC
C1463
10uF/10V/X5R/NC
C1519
100pF/50V/X7R
R1506
100K
/NC
U1403
MP1471
/NC
EN
5
GND
1
VIN
3
FB
/OUT
4
SW
2
BST
6
RP3
10K
/NC
RP6
10K
/NC
R1499
3K_1
%/NC
RP5
100K
/NC
U1405
MP1470
/NC
EN
5
GND
1
VIN
3
FB
/OUT
4
SW
2
BST
6
C1500
10uF/10V/X5R/NC
C1476
10uF/10V/X5R/NC
C40
10uF/25V/X5R
R1496
7.5K_1
%/NC
C1499
10uF/25V/X5R/NC
RP
17
100K
/NC
R1494
39K_1
%/NC
CP
21
0.1uF/16V/Y5V/NC
Q504 ME
M2303
M3
G/NC
1
2
3
L101
6
120
R/FBI
1
2
Q503
ME
M2303
M3
G/NC
1
2
3
C149
3
1uF
/25V
/X5R
/NC
RP
18
10K
/NC
C1498
10uF/25V/X5R/NC
R1508
7.68K_1
%/NC
C148
3
1uF
/25V
/X5R
/NC
QP3 MM
BT3904
/NC
1
3
2
C1497
0.1uF/50V/X5R
R1507
40
.2K_1
%/NC
QP2 MM
BT3904
/NC
1
3
2
R1509
75K_1
%/NC
+
CE
42
470uF/16V/lowESR/NC
C39
10uF/25V/X5R
C1477
10uF/10V/X5R
CP1
0.1uF/50V/X5R/NC
C1501
0.1uF/16V/Y5V
C57
0.1uF/16V/Y5V
L101
7
120
R/FBI
1
2
C1478
10uF/10V/X5R
+
CE39
470uF/16V/lowESR/NC
L1012
6U
8/3A
/NC
C1494
10uF/10V/X5R
RP16
10K
/NC
1496
10uF/10V/X5R/NC
C32
0.1uF/50V/X5R
R1495100K
/NC
C1495
10uF/10V/X5R/NC
DI
MM
ING
BL_
EN
DI
MM
ING
BL_
EN
AG
ND
G
ND
BL_
EN
DI
MM
ING
+12
V_
PWR
+12
V_
PWR
+5
V_
N
orm
al
+5
V_
St
andby
+5
V_
N
orm
al
BL_
EN
2
DI
MM
ING
2
G
ND
2,3
,4
,5
,6
,7
,8
,9
,10
,11
,12
,13
,14
,15
ST
ANDBY
2,15
J19
C
O
N
6/NC
1
2
3
4
5
6
J20
C
O
N
13_2
.54
MM
1
2
3
4
5
6
7
8
9
10
11
12
13
- 40 -