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Flow Chart of Troubleshooting
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9-8
3.0V_DIG
2
0
1
T
N
A
BB_RESET
C338
C339
C340
C350
C351
C504
GND
L125
R220
R221
R222
R311
R316
R317
RTCK
0
0
1
C
S
SIM300
TCK
TDI
TDO
TMS
TP
22
0
TRSTB
R
R
O
O
T
T
C
C
E
E
N
N
N
N
O
O
C
C
M
M
II
S
S
9
9
3
3
3
3
C
C
4
4
4
4
5
5 5
5
6
6
6
6
7
7
G
G
G
G
8
8
9
9
G
G
G
G
0
0
1
1
0
0
0
0
3
3
M
M
II
S
S
1
1
1
1
2
2
2
2
3
3
3
3
1
1
1
1
3
3
R
R
0
0
4
4
3
3
C
C
6
6
1
1
3
3
R
R
C
C
C
C
V
V
M
M
II
S
S
1
1
5
5
3
3
C
C
8
8
3
3
3
3
C
C
7
7
1
1
3
3
R
R
0
0
5
5
3
3
C
C
K
K
L
L
C
C
M
M
II
S
S
T
T
S
S
R
R
M
M
II
S
S
O
O
II
M
M
II
S
S
