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7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
(1%)
HIGH
ANT_SEL1
C
LOW
5
2
7
HIGH
15
3
HIGH
8
8
VTUNE-Connected directly to GND
LOW
D
F
11
F
LOW
PCS
9
13
D
LOW
DCS RX
Near to 48 pin
HIGH
ANT_SEL0
LOW
7.75dB
HIGH
LOW
DCS/PCS TX
E
E
6
ANTENNA SWITCH MODULE LOGIC
HIGH
16
LOW
DCS
12
4
5
14
UMTS 2100
HIGH
4
LOW
ANT_SEL3
PCS RX
C
TCXO
GSM/EDGE
LMSP4LMA-573TEMP_Rev B Later
HIGH
A
HIGH
A
2
GSM900 RX
LOW
D
E
(1%)
1
1
B
LOW
3
WCDMA
F
7
HIGH
B
C
LOW
D
6
LOW
ANT_SEL2
LOW
LOW
C
GSM900 TX
9
EGSM
E
10
6p
C106
DNI
C155
51
R124
R100
0
L121
2.2nH
C101
DNI
GND
3
OUT
VCC
4
VCONT
1
L111
47nH
19.2MHz
X100
TG-5010LH_19_2M_75A
2
C125
0.1u
0.1uF
C112
6
GND1
7
GND2
GND3
9
PGND
11
RFIN
2
8
RFOUT
VBATT
1
10
VCC
VEN
5
4
VMODE1
3
VMODE2
L104
3.3nH
U102
AWT6279R
3.3p
R122
110
R120
3
ANT
4
PGND
RX
1
2
TX
R106
5.1
KMS-512
ANT
G1
G2
RF
ACMD-7602
FL102
SW101
C131
100ohm
R121
10u
0.1u
C121
22nH
L109
C140
DNI
15nH
L116
110
R105
C126
10p
C123
0.1u
0.1u
C122
100p
C159
C145
C160
18p
33p
C118
2.2u
1000p
C114
L103
4.3nH
0.75p
C119
C128
33u
C148
1u
680
R103
C154
100p
19
PGND4
20
21
PGND5
PGND6
22
PGND7
23
24
PGND8
25
PGND9
4
RSVD1
8
RSVD2
12
RSVD3
TX_EN
1
6
VAPC
VBATT
5
GND5
7
GSM_IN
9
GSM_OUT
17
PGND1
PGND10
26
PGND11
27
PGND12
28
29
PGND13
30
PGND14
PGND15
31
32
PGND16
33
PGND17
PGND18
34
PGND19
35
18
PGND2
36
PGND20
PGND3
SKY77329
U101
BS
3
DCS_PCS_IN
2
16
DCS_PCS_OUT
GND1
10
GND2
11
13
GND3
GND4
14
15
22p
L115
C138
C134
47nH
22p
C104
DNI
C108
4p
2
G1
3
G2
5
G3
1
IN
4
O1
180p
C105
EFCH897MTDB1
FL101
5
G2
1
IN
3
O1
4
O2
C158
100p
EFCH2140TDE1
FL104
G1
2
C103
180p
C129
0.1u
2.7nH
L105
0
R123
C107
C146
6.8nH
6p
C156
1.2p
L107
47nH
R114
82
33p
C130
R111
1K
C143
100p
10u
C116
10nH
L118
R119
110
3300p
C111
C120
R104
110
100p
C110
180p
R118
51
L102
NA
R115
82
15p
C102
56nH
C153
L110
18nH
L112
22nH
NA
L114
C133
100p
33p
82
R116
C113
2.7nH
C151
1K
R108
R112
2.2K
U103
LDC151G9520Q-359
COU
32
IN
OUT
1
TER
4
L113
47nH
NA
L101
0.1uF
C100
C144
22p
56p
C136
2.2nH
L117
L123
1nH
C124
C152
0.1u
1000p
0.01u
C149
L119
1nH
1K
R107
C135
22p
L124
1nH
L120
0
12p
C115
L122
NA
2.2u
R110
C132
1K
10
R113
C137
100p
C127
68p
L100
4.3nH
UFL-R-SMT10
SW100
ANT
G1
G2
100p
C162
C147
C109
3.3nH
180p
C157
DNI
VDDA6
19
VDDA7
VDDA8
20
28
VDDA9
VDDM
17
VTUNE1
5
18
VTUNE2
26
WLNA_IN
29
WLNA_OUT
35
WMIX_INN
WMIX_INP
34
TEST
TX_IN
50
TX_IP
51
52
TX_QN
TX_QP
53
VCONTROL
56
4
VDDA1
VDDA10
41
VDDA11
45
VDDA12
47
48
VDDA13
VDDA14
49
6
VDDA2
VDDA3
8
9
VDDA4
VDDA5
15
16
46
HB_RF_OUT2
44
43
LB_RF_OUT1
LB_RF_OUT2
42
55
OPEN
PGND
57
40
PWD_DET_IN
24
RF_ON
13
RX_IN
12
RX_IP
RX_QN
11
10
RX_QP
R_BIAS1
3
R_BIAS2
27
SBDT
14
7
TCXO
21
54
DAC_REF
DCS_INN
39
38
DCS_INP
EGSM_INN
33
32
EGSM_INP
GCELL_INN
30
GCELL_INP
31
22
GND1
GND2
23
25
GND3
1
GND4
2
GND5
GPCS_INN
37
36
GPCS_INP
HB_RF_OUT1
NC
17
UMTS1
15
16
UMTS2
VC1
14
13
VC2
VC3
12
11
VC4
VDD
10
RTR6275
U100
21
GND4
23
GND5
24
GND6
GND7
26
GND8
27
28
GND9
1
GSM1800RX1
GSM1800RX2
2
22
GSM1800_1900TX
3
GSM1900RX1
GSM1900RX2
4
GSM850RX1
7
8
GSM850RX2
GSM850_900TX
25
5
GSM900RX1
GSM900RX2
6
FL100
LMSP4LMA-573TEMP
ANT
19
9
GND1
18
GND2
GND3
20
100ohm
R117
C141
0.01u
18nH
100p
L106
C139
R101
56
EFCH1950TDF1
FL103
2
G1
3
G2
5
G3
1
IN
4
O1
1nH
L125
0.75p
C142
22p
C161
12K
R102
2.7
1nH
R109
100p
L126
C117
100p
C150
L108
3.3nH
GSM_PA_BAND
ANT_SEL3
PA_R1
PA_ON
+VPWR
WCDMA_2100
VREG_RF_SMPS
ANT_SEL2
ANT_SEL0
ANT_SEL1
GSM_PA_EN
+VPWR
GSM_PA_RAMP
DCS_PCS_TX
WCDMA_MIX_IN_M
WCDMA_MIX_IN_P
VREG_RF_SMPS
WLNA_OUT
HDET
WCDMA_2100
WLNA_OUT
WCDMA_MIX_IN_M
WCDMA_MIX_IN_P
TCXO_BT
WCDMA_2100_TX_OUT
DCS_PCS_TX
GSM_TX
VREG_MSMP_2.7V
HDET
VREG_RF_SMPS
VREG_SYNTH_2.6V
VREG_TCXO_2.85V
VREG_RF_SMPS
RX_WCDMA_2100
WCDMA_2100_TX_OUT
RX_WCDMA_2100
TRK_LO_ADJ
TCXO_PM
RTR6275_TCXO
GSM_TX
DAC_REF
TX_ON
RX_IM
RX_IP
RX_QM
RX_QP
SSBDT_RTR
RTR6275_TCXO
TX_IM
TX_IP
TX_QM
TX_QP
TX_AGC_ADJ