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SGH-X100 Flow Chart of Troubleshooting
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7-
20
150PF
C124
C154
180PF
180PF
C151
100PF
C144
L118
NC
R108
18
R120
10
1NF
C142
3
4
OUT
0
R100
LE72E
F100
G
25
G
1
IN
OUT
L106
15nH
R122
G
25
G
1
IN
OUT
3
4
OUT
120
2
5
6
3
1
4
856079
F102
NC
U104
BCR10P
N
VBAT
R134
39PF
C114
470PF
C139
0
R139
OUT
3
4
OUT
3
1
4
B7820
F101
G
25
G
1
IN
4
U106
BCR10P
N
2
5
6
BCR10P
N
U105
2
5
6
3
1
20PF
C147
C128
6.8NF
4.7K
R136
100
NC
L113
R132
120
C113
100NF
10PF
C104
R118
10PF
C102
4.7K
R138
R123
1K
8.2nH
L116
8.2PF
NC
C107
C122
C120
100PF
NC
L102
1
TXRFI
C155
100NF
37
RFGND2
RFLOVC
C
28
RFTUNE
26
RFVCC
31
25
RFVCOVCC
RXON
23
24
SYNON
22
SYNVC
C
TXCP
O
3
TXCPVC
C
45
TXON
46
35
PCSIA
36
PCSIB
8
QA
QB
9
REFGND
14
15
REFIN
REFVCC
16
RFCPO
21
20
RFCPVCC
34
RFGND1
GND2
42
43
GND3
GND4
44
27
GNDTUNE
32
GSMIA
33
GSMIB
6
IA
7
IB
IFVC
C
10
45
NC1
NC2
CLKFDBX
11
CLKOUT
DATA
17
38
DCSIA
39
DCSIB
EN
19
EXTRES
2
FESW
1
29
30
FESW
2
40
FESWON
41
GND1
U103
UAA3536HN
12
CAFCSUP
18
CLK
13
R124
R119
0
R131
10
1K
33nH
L109
C131
100UF
C152
180PF
3.9nH
L115
C150
NC
U729
8.2PF
R103
100K
C156
8.2PF
180PF
C130
47NF
0
C138
NC
C109
R121
R110
200
390PF
C125
NC
L100
R105
2.2K
200
R13
3
0
R113
TC7SH32FU(TE85L)
A
2
B
1
GN
D
3
VCC
5
Y
4
2.2nH
L105
U107
1
G
4
G
G
5
6
G
KMS-158
CN10
0
A
2
3
C
R117
0
R115
5.1K
R112
18
VCC2
12
VRAMP
6
5
VREG
GND
13
7
GSM850/900IN
9
GSM850/900OUT
PCSOUT
11
TXEN
3
4
VBATT
10
VC
C 8
VCC2
U101
RF3140
2
BAND
1
DCSIN
L120
NFM18PC104R1C3D
13
330PF
C135
4.7K
L108
15nH
R135
10NF
C145
1.8NF
C123
220NF
C141
12nH
L114
R137
4.7K
C112
8.2PF
L101
68PF
C146
8.2PF
C115
NC
12
10
NC
OUT1
5
OUT2
1
VCC1 7
VCC2
11
2
BAND
BAND
4
8
CONTROL
GND
3
6
GND
9
GND
GND
22K,1%
OSC100
R128
200
R114
C110
39PF
3.6K
R104
10PF
C140
100NF
C121
0
R109
R111
200
R129
47
R101
39PF
C108
100K
L107
2.2nH
33nH
L112
NC
NC
L104
C100
C126
1UF
NC
R107
100NF
C133
CTRL
1
2
GND
OUT
3
4
VCC
L111
33nH
VCC_RX_TX
OSC101
TCO-9141
C103
10PF
C132
10UF
220K
8.2PF
C134
1NF
R125
3.9nH
L121
C127
7
GSM-TX
1
9
PCS-RX
VC1
8
4
VC2
VC3
10
5
AN
T
11
DCS-RX
3
DCS/PCS-TX
2
GG
61
2
G
13
G
14
G
GSM-RX
SHS-M090T
U100
L117
10nH
L110
3.9nH
0
R106
33PF
C118
10K
R126
22NF
C148
C143
NC
NC
L103
C137
47PF
C471
220PF
C129
100UF
6.3V
NC
L119
100NF
C149
NC
C105
C111
NC
100NF
C116
ANT100
R102
100K
180PF
C153
C136
10PF
8.2K
R116
R127
NC
C101
220K
100PF
C119
EGSM_TX
PCS_R
X
MELODY_CLK
VCC_TX_BURST
TXVCO_SW2
VCC_RX_TX
VDD2
TXVCO_SW3
ANT_SW1
ANT_SW3
PCS_RX
EGSM_TX
RF_EN_SYNT
RF_BBI_CLK
RF_BBI_DATA
VCC_RX_TX
ANT_SW3
RAMP
QRX_TX_P
IRX_TX_N
IRX_TX_P
TXVCO_SW1
DCS_PCS_TX
ANT_SW3
ANT_SW2
ANT_SW1
DCS_PCS_TX
AFC
D_REF_13M
QRX_TX_N
VCC_SYN
VCC_CP
VCC_RF_VCO
PON_RX
PON_SYNT
VCC_SYN
VCC_CP
PON_TX
Transmitter