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Flow Chart of Troubleshooting
9-34
<RF CONNECT>
<RF SWITCH>
C129
C174
L103
L108
L111
C132
L109
L106
L104
*
C
3
G
1
G
4
RFS100
2
A
L119
C141
L107
L120
L110
R109
ANT101
C128
C172
R108
R110
C112
C116
L102
C163
L105
C171
L118
C162
C160
C161
C130
C164
C111
VC1
14
13
VC2
12
VC3
VC4
11
10
VDD
GSM850_RX1
7
GSM850_RX2
8
25
GSM850|900_TX
5
GSM900_RX1
GSM900_RX2
6
15
UMTS1
16
UMTS2
17
UMTS3
G7
26 27
G8G9
28
1
GSM1800_RX1
GSM1800_RX2
2
22
GSM1800/1900_TX
3
GSM1900_RX1
GSM1900_RX2
4
ANT
19
9
G1G2
18 20
G3G4
21
G5
23
G6
24
DUF100
L115
ANT102
C121
DCS_RXM
DCS_RXP
PCS_RXP
GSM_RXP
GSM_RXM
VRFRX1_2.65V
PCS_RXM
GSM_ANT_SEL2_N
GSM_ANT_SEL1_N
GSM_ANT_SEL0_N
UMTS_ANT
C120
C134
R111
0
0
1
P
T
C115
9
5
1
C
C114
C169
C146
C110
C145
VDDA
TCXO
VDDA
VDDA
2
5
N
Q
_
X
T
3
5
P
Q_
X
T
4
5
F
E
R
_
C
A
D
5
5
C
N
6
5
L
O
R
T
N
O
C
V
7
5
D
N
G
8
5
C
N
C
N
A
D
D
V
6
4
T
U
O_
1
B
H
_
A
D
7
4
A
D
D
V
8
4
A
D
D
V
9
4
A
D
D
V
V_TUNE1
0
5
NI
_
X
T
PI
_
X
T
1
5
DCS_INP
39
DCS_INN
VDDA
40
PWD_DET_IN
41
VDDA
42
DA_LB2_OUT
3
4
T
U
O_
1
B
L_
A
D
4
4
T
U
O_
2
B
H_
A
D
5
4
GCELL_INN
31
GCELL_INP
32
EGSM_INP
33
EGSM_INN
34
WMIX_LNP
35
WMIX_LNN
36
GPCS_INP
37
GPCS_INN
38
32
42
N
O
_
X
T|
N
O
_
F
R
52
D
N
G
62
NI
_
A
N
L
W
72
2
S
AI
B
_
R
82
A
D
D
V
29
WLNA_OUT
R_BIAS1
30
M
D
D
V
8
2
E
N
U
T
_
V
9
A
D
D
V
GND
02
A
D
D
V
12
T
S
E
T
22
D
N
G
D
N
G
GND
RX_QP
RX_QN
RX_IP
RX_IN
SSBDT
A
D
D
V
A
D
D
V
U101
C108
R113
C143
N
O
_
X
T
_
N
O
_
F
R
GSM_RXM
GSM_RXP
VSYNT_2.6V
VRFTX_2.65V
PWR_DET
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP
UMTS850_TX
EGSM900_TX
Содержание SGH-A801
Страница 43: ...8 PCB Diagrams 8 1 8 1 Main PCB Diagram Top ...
Страница 44: ...PCB Diagrams 8 2 Bottom ...