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Flow Chart of Troubleshooting
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
31
_MR
_R
S
O
30
_SLP
39
10
S
C
L
11
SDA
S
LP
IN
5
S
R
A
D
29
V
1
4
6
V
2
V
4
23
25
V
5
26
P
G
3
9
P
K
38
PV1
13
PV2
P
V
3
28
12
PWM3
17
RAMP
19
REF
42
N
C
N
C
43
ON1
35
O
N
2
21
ON3
34
22
O
N
45
PG1
36
15
PG2
33
FB3
18
GND
GND
41
16
IN
24
IN
45
LX1
37
14
LX2
27
LX
3
B
K
B
T
2
20
BYP
40
CC1
8
C
C
2
32
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
60
7
R679
C664
R678
R677
5
VCC
4
Y
U620
2
A
1
B
3
GND
C630
nPOWER_FAIL
nBATT_FAIL