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SGH-E700 Flow Chart of Troubleshooting
7-
21
33uF
2% Coilcraft
HN/C3
FIL
M
DI
V
CTL RE
G
(0805)
Coilcraft
(MLF package)
15nF
VCO_I
F
1:1/2
1:1/2
33uF
(pin_2)
Coilcraft
(pin_4)
(pin_22)
CPPS
DETECTOR AND CP
PHASE Frequency
VCO_TX_POWER
POWE
R
ENABL
E
1:1/
2
(0805)
Coilcraft
(0603 NPO)
QUAD
DETECTOR AND CP
PHASE Frequency
(pin_17)
DETECTOR AND CP
3 WIRE BU
S
CPPS
(0603)
DI
V
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
5.6n
H
2
3
1
0
R124
8
OUT
4
3
VCC
1
VT
2SC4617
TR100
VOL1861N27KRB
VCO100
G1
25
G2
6
G3
7
G4
G5
2.7K
R101
75
C127
56PF
390PF
R123
220PF
C132
220P
F
C117
C118
NCP500SN25T1
U101
2
GND
NC
4
3
ON/OFF
1
VIN
VOUT
5
C142
R121
91
4.7NF
C147
C141
22K
R114
VCC_RE
F
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
39P
F
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_RE
F
33PF
C121
C128
3.3NF
C105
18P
F
1NF
C108
33nH
L105
R100 12
330
1U
F
R127
C111
VCC_SYN
33K
R125
21
SYNON
23
SYNVC
C
3
TSTO
40
TXCPGND
1
TXCPO
2
TXCPVC
C
10
TXON
38
TXRFI
37
RFGND3
25
RFLOGND
26
RFLOI
A
27
RFLOI
B
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
EXTRE
S
41
GND
GND42
43
GND
GND44
33
GSMI
A
34
GSMI
B
U100
OM5178HN
CLK
15
14
DATA
35
DCSPCSI
A
36
DCSPCSI
B
430
ground
R104
C102
R105
2.7K
10K
10NF
R131
C120
220PF
220PF
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
4
5
6
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
18P
F
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
RAM
P
EGSM
VBAT
PAM_VCC
DCS_MODE_SW
EGSM_MODE_SW
DCS_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_I
F
VCC_I
F
RF_BBI_CLK
RF_BBI_DAT
A
RF_EN_SYNT
IRX_TX_P
IRX_TX_N
QRX_TX_P
QRX_TX_N
Transmitter