User Guide
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SGH-E700 Flow Chart of Troubleshooting
7-21
33uF
2% Coilcraft
HN/C3
FILM
DIV
CTL REG
(0805)
Coilcraft
(MLF package)
15nF
VCO_IF
1:1/2
1:1/2
33uF
(pin_2)
Coilcraft
(pin_4)
(pin_22)
CPPS
DETECTOR AND CP
PHASE Frequency
VCO_TX_POWER
POWER
ENABL
E
1:1/2
(0805)
Coilcraft
(0603 NPO)
QUAD
DETECTOR AND CP
PHASE Frequency
(pin_17)
DETECTOR AND CP
3 WIRE BUS
CPPS
(0603)
DIV
PHASE Frequency
Coilcraft
VCO_RF
1:6/7
(0805)
4PF
C112
24
24
R120
C136
R117
VC_DCS
22PF
C150
VC_EGSM
NC
C104
100NF
VCC_SYN
ANT100
VCC_CP
F102
856079
2
G
G
5
IN
1
3
OUT
OUT
4
5.6K
R111
R110
15K
100PF
C123
L104
10nH
L107
5.6nH
2
3
1
0R124
8
OUT
4
3
VCC
1
VT
2SC4617
TR100
VOL1861N27KRBVCO100
G1
25
G2
6
G3
7
G4
G5
2.7KR101
75
C127
56PF
390PF
R123
220PF
C132
220PF
C117 C118
NCP500SN25T1
U101
2
GND
NC
43
ON/OFF
1
VIN VOUT
5
C142
R121
91
4.7NF
C147
C141
22K
R114
VCC_REF
C140
10NF
5
6
C1
C2
3
1
E1
E2
4
VCC_RF_VCO
VCC_TX_BURST
IN
OUT
3
4
OUT
BCR08PN
U102
B1
2
B2
B7820
F100
G
25
G
1
C113
6PF
C134
39PF
C138
330PF
C125
C126
220PF
L101
15nH
100PF
R128
1.8K,1%
R112
560,1%
5
OUT1
1
OUT2
2
SW1
4
SW2
7
VB
1
11
VB
2
8
VC
MQW291A897MR6
VCO101
G
36
GG
91 2
G
10
NC
C122
R108
300
10PF
33PF
C100
VCC_SYN
C101
R107
18
ANT101
ground
NC
R116
ground
22PF
1.8K,1%
22PF
C144
C143
D101
HVC376B
390PF
C116
10PF
C152
10PF
C151
10K
L103
6.8nH
2.7K
R130
1
CTRL
2
GND
3
OUT
4
VCC
R102
C133
OSC100
TCO-9141
C137
100PF
R118 560
1UF
C139
100PF
C131
R109
300
10NF
C148
100PF
C146
C145
47PF
VCC_RX_TX
PAM_VCC
33PF
C106
VC_DCS
VCC_RX_TX
VCC_REF
33PFC121
C128
3.3NF
C105
18PF
1NF
C108
33nH
L105
R100
12
330
1U
F
R127
C111
VCC_SYN
33K
R125
21SYNON
23
SYNVC
C
3
TSTO
40
TXCPGND
1
TXCPO
2
TXCPVC
C
10
TXON
38
TXRFI
37
RFGND3
25
RFLOGND
26
RFLOIA
27
RFLOIB
28
RFLOVC
C
31
RFVC
C
9
RXON
24
SYNGND
29
NC1
30
NC2
7
QA
8
QB
20
RFCPO
22
RFCPVC
C
RFFIN
19
32
RFGND1
IA 5
IB
6
18
IFCPO
17
IFCPVC
C
13
IFGND2
11
IFTUNE
IFVC
1
4
12
IFVCC2
16
EN
39
EXTRES
41
GND
GND
42 43
GND
GND
44
33 GSMIA
34
GSMIB
U100
OM5178HN
CLK
15
14
DATA
35
DCSPCSIA
36
DCSPCSIB
430
ground
R104
C102
R105 2.7K
10K
10NF
R131
C120
220PF220PF
C119
R113
470
3.9nH
L106 C114
12PF
C103
VCC_RX_TX
12nH
L108
10NF
C149
1UF
U103
BCR08PN
2
B1
5
B2
C1
6
3
C2
E1
1
4
E2
VCC_REF
C109
NC
3
456
1
IN
2
OUT
MBO-145
RFS100
GND
5
VCC 4
Y
TC7SH32FU(TE85L)
U411
2
A
1
B
3
10K
R119
VC_EGSM
C107
18PF
VCC_RX_TX
VCC_RX_TX
47NF
C129
C135
100PF
R122
27K
C115
0.5PF
15K
430
R115
12nH
L100
R103
R126
33K
100PF
C130
10nH
L102
100PF
ground
2.7K
C124
12
G
13
GG
14
VC1
2
11
VC2
R106
1
DCS_RX
3
DCS_TX
10
EGSM_RX
5
EGSM_TX
G
4
G
67
GG
9
LMG002S-5047A
F101
8
ANT
C110
6PF
6
VRAMP
VREG
5
NC
R129
GSM850/900I
N
7
GSM850/900OUT
9
11
PCSOUT
3
TXEN
VBAT
T
4
VCC
10
VCC2
8
12
VCC2
PAM100
RF3140
BAND
2
DCSI
N
1
13
GND
DCS_MODE_SW
EGSM_MODE_SW
RAMP
EGSM
VBAT
PAM_VCC
DCS_MODE_SW
EGSM_MODE_SWDCS_MODE_SW
DCS AFC
MEL_13M
REF_ON
PON_RX
PON_TX
pin_12_IFVCC2
pin_23_SYNVCC
VCCCP
VCCCP
D_REF_13M
PON_SYNT
VCC_IF
VCC_IF
RF_BBI_CLK
RF_BBI_DATA
RF_EN_SYNT
IRX_TX_P
IRX_TX_N
QRX_TX_P
QRX_TX_N
Transmitter