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Flow Chart of Troubleshooting
9-71
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R106
R107
L104
T
T
A
B
V
4
D
N
G
5
6
P
M
A
R
V
GSM_IN
7
GSM_OUT
8
DCS|PCS_OUT
9
D
N
G
52
D
N
G
62 72
D
N
G
D
N
G
82
D
N
G
92
N
E_
X
T
3
D
N
G
03
D
N
G
13
D
N
G
81
D
N
G
91
2
L
E
S_
D
N
A
B
D
N
G
02
D
N
G
12
D
N
G
22
D
N
G
32
D
N
G
42
D
N
G
01
D
N
G
11 21
D
N
G
D
N
G
31
D
N
G
41
D
N
G
51
D
N
G
61
D
N
G
71
PAM100
DCS|PCS_IN
1
L111
C102
C100
R108
VREG_FEM_2.7V
R105
TP_GSM_PA_PWR_CTL
TP_GSM_ANT_SEL1_N
C123
C110
L110
C109
TP_GSM_ANT_SEL3_N
1
2
2
3
3
ANT101
1
L105
R104
L103
C114
L101
L102
L106
L107
TP_GSM_ANT_SEL2_N
C101
C121
TP_GSM_PA_EN
L109
UMTS_TRX2
18
UMTS_TRX3
VC1
15
VC2
14
13 VC3
VC4
12
VDD
11
GSM1900_RX1
GSM1900_RX2
8
1
GSM850_RX1
2
GSM850_RX2
GSM850|900_TX
24
3
GSM900_RX1
GSM900_RX2
4
UMTS_TRX1 16
17
23 25
G
26
G
27
G G
28
5
GSM1800_RX1
6
GSM1800_RX2
22 GSM1800|1900_TX
7
F100
ANT
20
10
G
G
9
G
19 21
G G
RFS100
2
A
C
3
1
G
G
4
C134
TA100
R103
TP_GSM_ANT_SEL0_N
L108
L113
V_BAT
C108
TP_GSM_PA_BAND
C131
L112
1
1
2 2
3
3
ANT102
L100
GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N
GSM_ANT_SEL3_N
GSM850_RXM
GSM850_RXP
DCS_RXP
DCS_RXM
PCS_RXP
PCS_RXM
DCS_PCS_TX
GSM_TX
UMTS_1900_TRX
GSM_PA_EN
GSM_PA_BAND
GSM_PA_PWR_CTL
GSM900_RXM
GSM900_RXP
UMTS_900_TRX
UMTS_2100_TRX
②
①
Содержание GT-I8910
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