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Flow Chart of Troubleshooting
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
99
33
33
C
C
44
44
55 55
66
66
77
G
G
G
G
88
99
G
G
G
G
00
11
00
00
33
M
M
II
S
S
11
11
22
22
33
33
11
11
33
R
R
00
44
33
C
C
66
11
33
R
R
C
C
C
C
V
V
M
M
II
S
S
11
55
33
C
C
88
33
33
C
C
77
11
33
R
R
00
55
33
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
