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Flow Chart of Troubleshooting
9-34
1005
L104
R100
S
H
O
R
T
A
2
1
C
3
G
G
4
RFS100
1005
L108
ANT100
C105
1005
1005
C118
1005
C117
C106
C112
C119
1005
C108
1005
L101
C109
14
10 VC2
18
G
19
G G
20
1
GSM850-RX1
GSM850-RX2
2
PCS-RX1
7
PCS-RX2
8
VC1
DCS-RX2
15
DCS|PCS-TX
3
EGSM-RX1
4
EGSM-RX2
EGSM|GSM850-TX
17
9
G G
12 13
G G
16
F100
11
ANT
DCS-RX1
5
6
C113
1005
L106
1005
C107
1005
C110
L107
ANT101
VC2
VC1
GSM_TX
DPCS_TX
1005
C120
C122
1
00
5
VDD_IO_LOW_1V8
TP_RAMP
1005
L104
C140
10
05
VDD_RX_TX_2V8
1005
L108
10
05
C138
TP_RF_DATA
1005
C118
C137
1
00
5
C124
10
05
10
05
C123
10
05
C139
1005
L105
1005
C117
C130
1005
C129
1
00
5
LE
40
G
N
D
41
VCO_SYN_REG
5
VDD_LO
6
VDD_RF
7
TX_VCTRL
8
PA_VCTRL
9
R
E
F
_O
U
T
33
V
D
D
_D
C
X
O
34
R
E
F
_I
N
+
35
R
E
F
_I
N
-
36
D
C
X
O
_R
E
G
37
T
E
M
P
_O
U
T
38
V
D
D
_D
IG
_R
E
G
39
VDD_SYN
4
VDD_BB
26
Q-
27
Q+
28
I-
29
VDD_IO
3
I+
30
C
L
K
_E
N
31
R
E
F
_2
6|1
3B
32
U
S
G
S
M
_R
X
-
19
DATA
2
U
S
G
S
M
_R
X
+
20
NC
21
TEST_A
22
TEST_B
23
NC
24
NC
25
D
C
S
|P
C
S
_T
X
11
V
D
D
_R
F
2
12
P
C
S
_R
X
+
13
P
C
S
_R
X
-
14
D
C
S
_R
X
+
15
D
C
S
_
R
X
-
16
E
G
S
M
_R
X
-
17
E
G
S
M
_R
X
+
18
TP_RF_EN
U100
CLK
1
US|EGSM_TX
10
OSC100
2
4
3
1
C119
1005
C108
1005
VDD_RX_TX_2V8
VDD_IO_HIGH_2V9
C114
10
05
C132
C113
1005
L106
1005
C107
1005
C110
L107
TP_RF_CLK
R103
VDD_SYN_2V8
10
0
5
C133
1005
C120
RAMP
RAMP_OUT
GSM_IN
DPCS_IN
RX_TX_QP
RX_TX_QN
RF_DATA
RF_CLK
RF_EN
BT_CLK
REF_CLK
REF_ON_PMU
RX_TX_IP
RX_TX_IN
Summary of Contents for GT-S5200
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