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Flow Chart of Troubleshooting
9-22
KEY LE D
R310
VBAT
C316
LED303
R307
R308
R309
R319
LED302
R321
VOUT
1
U302
MIC5365-3.3YMT
3
EN
GND
2
5
G
N
D
4
VIN
R320
LED304
C317
LED301
LED300
LED305
KEY_EN
C
1
2
6
C
1
2
9
C
1
3
2
C
1
4
0
C
1
4
1
C
1
5
3
C
2
0
0
C
2
0
3
C204
C205
C206
C207
C208
C209
C210
C214
C215
C
2
2
0
C
2
2
1
C222
C
22
8
C
23
1
C316
C317
D
20
1
D
20
2
L107
L2
00
L201
L202
R
1
2
0
R
2
0
2
R203
R
20
4
R
2
0
5
R
2
0
6
R
2
0
7
R
20
9
R
2
1
0
R
2
1
1
R
2
1
2
R
2
1
3
R218
R
3
2
1
T
A
1
0
1
T
P
_
R
S
T
O
N
TP
_R
TC
K
T
P
_T
C
K
TP
_T
DI
T
P
_T
D
O
T
P
_T
M
S
T
P
_
T
R
S
T
_
N
TP
21
4
T
R
2
0
0
U105
U20
1
U
3
0
2
U
C
P
20
0