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Flow Chart of Troubleshooting
9-26
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Atten 3dB
FEM
Atten 3dB
R105
R119
C123
C132
C137
L109
7
V
D
D
20
WCDMA
22
WCDMA
GSM850_RX
12
13
GSM850_RX
11 GSM850|EGSM_TX
PCN_RX
16
17
PCN_RX
9 PCN|PCS_TX
PCS_RX
18
19
PCS_RX
EGSM_RX
14
15
EGSM_RX
1
G
N
D
G
N
D
8
G
N
D
10
23
G
N
D
G
N
D
24
G
N
D
21
FEM100
A
N
T
2
3 CTRL1
CTRL2
4
5 CTRL3
CTRL4
6
C119
C144
C127
L116
L103
C138
L112
C117
C133
L114
C125
TA100
C136
25V
L118
R103
L107
L110
C134
R106
L104
R104
L106
VBAT
L119
R107
V
C
C
_O
U
T
13
L111
G
N
D
14
G
N
D
G
N
D
15
8 GSM_IN
GSM_OUT 9
6
N
C
TX_EN
3
V
A
P
C
5
4
V
B
A
T
T
2
BS
16
DCS_OUT
DCS|PCS_IN
1
G
N
D
7
10
G
N
D
G
N
D
11
12
PAM100
C140
C126
L108
C143
L113
C124
C145
C139
C142
GSM_PA_EN
GSM_PA_PWR_CTL
GSM850_GSM900_TX
DCS1800_PCS1900_TX
BAND_SELECT
U900_RTX_G900_RX_ANT
UMTS2100_ANT
PCS_RXM
PCS_RXP
DCS_RXM
DCS_RXP
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N
GSM_ANT_SEL0_N
GSM_ANT_SEL3_N
GSM850_RXP
GSM850_RXM
GSM RX
GSM TX
DCS 1800 RX
DCS 1800 TX
PCS 1900 RX
PCS 1900 TX
WCDMA 2100 TX
WCDMA 2100 RX
ANT
WCDMA 900 RX
WCDMA 900 TX
POWER
A
N
T
10
1
A
N
T
10
2
HHOLE100
C107
C
10
8
C
11
1
C115
C117
C119
C123
C124
C125
C126
C127
C132
C
13
3
C134
C
13
6
C137
C138
C139
C
14
0
C
14
2
C
14
3
C144
C145
C203
C207
C213
C214
C215
C
21
6
C
21
7
C221
C
22
2
C
22
4
C
22
5
C226
C
22
7
C
22
8
C
23
5
C236
C238
C
23
9
C
24
0
C308
C
30
9
C
31
4
C
40
4
C405
C406
C
40
8
C
40
9
C
41
3
C
41
4
C415
C
42
4
C
42
5
C
42
6
C
42
7
C
43
1
C432
C
43
5
C436
C437
C438
C443
C446
C
4
47
DUF200
D
U
F
20
1
F
20
1
FEM100
L1
01
L1
02
L1
03
L104
L1
06
L107
L1
08
L1
09
L110
L1
11
L112
L113
L1
14
L116
L117
L1
18
L119
L1
20
L201
L2
04
L2
05
L212
L213
L217
L2
18
L219
L220
L221
L400
L4
01
L402
L70 2
L703
OSC400
PA
M10
0
PAM201
R
10
3
R
10
4
R
10
5
R
10
6
R107
R110
R
11
9
R
2
00
R204
R205
R207
R208
R209
R210
R
30
5
R306
R
F
S
10
0
SC
100
SC
10
2
T
A
1
0
0
TA
CT
700
TCX200
VR300
Z
D
70
5
UCP 300
Summary of Contents for GT-S3370
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