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FlowChartofTroubleshooting
7-2
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L605
R627
R610
TA606
R628
C612
C632
C634
R613
R671
C607
VBAT
R672
R630
C616
VCORE14
C606
R616
VCC_BATT
R674
C633
R673
C635
VCC_BATT
VSRAM11
R631
VCC30
V
7
3
3
1
_MR
_
R
S
O
3
0
_SLP
3
9
1
0
S
C
L
1
1
SDA
S
L
P
I
N
5
S
R
A
D
2
9
V
1
4
6
V
2
V
4
2
3
2
5
V
5
2
6
P
G
3
9
P
K
3
8
PV1
1
3
PV2
P
V
3
2
8
1
2
PWM3
1
7
RAMP
1
9
REF
4
2
N
C
N
C
4
3
ON1
3
5
O
N
2
2
1
ON3
3
4
2
2
O
N
4
5
PG1
3
6
1
5
PG2
3
3
FB3
1
8
GND
GND
4
1
1
6
IN
2
4
I
N
4
5
LX1
3
7
1
4
LX2
2
7
L
X
3
B
K
B
T
2
2
0
BYP
4
0
CC1
8
C
C
2
3
2
CC3
F
B
1
1
7
F
B
2
U604
C619
R601
R612
VCC_BATT
VBAT
VCC30
L600
C602
C605
VCC30
C620
VCC30
L606
L602
R606
VPLL13
VBAT
C629
C622
C610
C609
C611
VCC30
C621
R682
VBAT
R681
C608
SYS_EN
HARD_RESET
nRESET_IN
nVCC_FAULT
PWR_EN
V_BKBT
PWR_SDA
PWR_SCL
SYS_EN
PWR_EN
PWR_EN
C625
VCC_BATT
V_BAT
R637
G
N
D
4
3
N
C
O
U
T
1
V
D
D
2
U
6
0
7
R679
C664
R678
R677
5
VCC
4
Y
U620
2
A
1
B
3
GND
C630
nPOWER_FAIL nBATT_FAIL