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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
L1012
DNI
L1001
DNI
DNI
L1015
100p
C1080
220
FB1000
C1081
5.6p 5.6p
C1082
L1013
DNI
L1026
18n
10n
C1030
2.2u
C1075
C1073
2.2u
C1050
33p
TP1000
1
DNI
C1076
27p
C1043
26MHz
1XXA26000FBA
X1000
3
2
4
1
VCONT
VCC
GND
OUT
VBAT_PAM
U1004
B1
D3
C1
C5
C3
C2
B2
A4
C4
A2
D2
B6
D4
D1
A3
D6
D5
B3
A6
A1
C6
A5
B5
B4
SDI_CLK
SDI_DATA
VOUT_FB
GND2
CB_P
VRAMP
CWELL
CP_OUT
VBATT2
CB_N
CA_P
CC_P
NC
VBATT1A
VBATT1B
CC_N
VSDI
GND1
B
GND1A1
GND1A2
SDI_EN
LOUTA
CA_N
LOUTB
R1004
10
220n
C1070
VBAT
C1060
4.7u
C1071
10u
U1003
B1
D3
C1
C3
C2
B2
A4
C4
A2
D2
D4
D1
A3
B3
A1
B4
SPI_SS
VSNS_2V85
CLK_ON
AGND
LX2
SPI_CLK
PGND
OUT3B
SPI_DRW
VANA
VDD_IO
VSNS_1V8
VSNS_1V2
VPWR
LX1
LX3A
4.7u
L1018
L1025
1u
2.2u
C1077
120
FB1001
L1020 4.7u
4.7u
L1022
SW1000
G1
ANT
G2
R1001
100
VDD_2V65
C1013
DNI
VDD_1V8
VDD_2V85
1u
C1058
4.7u
C1065
4.7u
C1064
2.2u
C1057
C1056
0.1u
C1037
1.5n
VSD2_1.8V
VBAT
C1066
4.7u
0.1u
C1042
22n
C1029
L1023
18n
U1002
17
18
19
20
21
10
11
12
13
14
15
16
9
8
7
6
5
4
3
2
1 B8_TX
B5_TX
GSM_LB_TX
B2_TX
B1_TX
GSM_HB_TX
B4_TX
HB_RFIN
SPI_SS
VCC
LB_RFIN
VSPI
NC
SPI_GN
D
SPI_CLK
SPI_DRW
GND
VCMO
S
FB_AM
VBAT
RF_OU
T
VDD_1V2
U1000
G9
G1
0
H3
H4
H5
H6
H10
J3
J6
J7
J9
J1
0
K5
K6
K1
0
L3
L8
L1
1
L1
2
M2
M7
J11
K11
M10
M9
M8
A5
B5
E7
D12
C12
D13
C13
E13
F12
F13
A10
H9
C4
D8
B1
E12
F9
B2
C2
A9
K9
L13
B13
C9
E8
D2
D5
A6
L9
G5
F7
L2
F3
B9
D10
L10
J8
C6
C5
J4
J5
G8
G7
G6
G4
G3
F1
0
F8
F6
F5
F4
E6
E5
E1
D9
C11
C10
C8
C7
C3
A7
A3
B8
A8
E9
M13
M1
A13
A1
J12
J13
H13
H12
G12
G13
K13
B12
B10
A11
A12
B11
J2
K2
K1
L1
H1
J1
G2
H2
F1
G1
E2
F2
L7
L6
M6
M5
L5
L4
M4
M3
K12
M11
M12
D4
E4
D3
E3
C1
D1
A2
A4 PM_L
PM_H
PA_POW_DET
PA_RF
VSPI
SPI_CLK
SPI_SS
SPI_DRW
PA_RAMP
PA_BIAS
RESET_N
RD_L2
RDL2x
RD_L1
RD_L1x
RD_M
RD_Mx
RD_H
RD_Hx
RX_L1X
RX_L1
RX_L2X
RX_L2
RX_M1X
RX_M1
RX_M2X
RX_M2
RX_H2X
RX_H2
RX_H1X
RX_H1
XO_SUP
XOX
XO
AFC_DAC
XO_EXT
CLK_ON
FSYS1_EN
FSYS1
FSYS2_EN
FSYS2
FSYS3_EN
FSYS3
NC1
NC2
NC3
NC4
VDD_TEST
MI1
MI2
GND1 GND2 GND3 GND4 GND5 GND6 GND7 GND8 GND9 GND1
0
GND1
1
GND1
2
GND1
3
GND1
4
GND1
5
GND1
6
GND1
7
GND1
8
GND1
9
GND2
0
GND2
1
VDD2V5_RCRF
VD2V5_RCBB
VDD2V5_TXBIAS
VDD2V5_TXDCO
VDD2V5_RXDCO
VDD2V5_RFC
VDD2V5_FSYS
D2B_OUT
VDD1V8_RCBB
VDD1V8_RCRF
VDD1V8_RCMS
VDD1V8_RCLO
VDD1V8_RXDCO
VDD1V8_TXDCO
VDD1V8_TXLO
VDD1V8_FBR
VDD1V8_TXMS
VDD1V8_DIG
VDD1V8_SCU
VDD1V8_RFC
VDD1V8_RXPLL
VDDBAT
D2B_OUT_TXRF
VDD_TXRF
VDD1V2_DIG
VDD_IO
VDDBAT_TXRF
CEXT_TXPLL
CEXT_TXMS
CEXT_RXPLL
CEXT_DCXO
SYS_CLK
SYS_CLK_EN
REF_CLK_EN
DI3_RX_DAT
DI3_RX_DATX
DI3_TX_DAT
DI3_TX_DATX
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPO7
GPO8
GND4
2
GND4
1
GND4
0
GND3
9
GND3
8
GND3
7
GND3
6
GND3
5
GND3
4
GND3
3
GND3
2
GND3
1
GND3
0
GND2
9
GND2
8
GND2
7
GND2
6
GND2
5
GND2
4
GND2
3
GND2
2
VDD_1V8
C1004
2.2u
C1005
47n
47n
C1006 C1007
47n
C1074
4.7u
C1020
6.8n
6.8n
C1027
4.7n
C1028
1n
C1026
VDD_1V8
VDD_2V85
VDD_2V65
VDD_1V2
VSD2_1.8V
VBAT
C1032
1.2n
TP1001
C1069
10u
L1007
DNI
C1040
220n
C1036
100p
18n
L1021
VBAT
C1045
100p
C1033
1n
L1005
DNI
L1028
1p
C1051
33p
SW1001
4
3
2
1
ANT
COMMON
G3
G4
2140MHz
FL1000
4 5
1
3 2
G1
O1
IN
G2
O2
L1011
33n
C1038 3.3p
100n
L1000
VBAT_PAM
VBAT
C1024
0.1u
0.1u
C1021
0.1u
C1012
C1011
0.1u
C1010
0.1u
C1009
0.1u
0.1u
C1008
C1003
0.1u
0.1u
C1002
0.1u
C1001
C1000
47n
DNI
L1030
C1083
4.7n
L1031
0.5p
C1023
1u
10n
C1044
C1054
DNI
L1002
15n
C1048
5.6n
DNI
L1016
C1053
33p
L1004
DNI
100
R1002
C1078
2.2u
C1025
100n
100n
C1068
C1041
100n
C1072
1u
4.7u
C1022
10n
C1061
C1067
1u
L1014
56n
L1003
DNI
C1035
2.7n
C1062
1u
FL1001
21
20
15
19
10
18
16
8
11
7
9
6
5
12
4
3
13
2
14
1
17
VD
D
TRX_3
CLK
TRX_2
DRW
TRX_1
GND1
GND6
GND2
HB_TX
GND4
GND3
AN
T
LB_TX
VSPI
TRX_6
GND5
TRX_5
SS
TRX_4
PGND
L1032
DNI
L1033
DNI
C1084 100p
VBAT
1u
C1079
C1019
1.2n
C1049
12n
C1046
10p
R1003
0
C1052
1n
L1008
4.7n
C1059
2.2n
1n
C1034
L1027
1p
L1029
5.6p
C1047
1.5n
C1063
2.2n
FL1
49
47
45
43
42
41
40
39
38
37
36
35
34
23
22
21
20
17
16
15
14
19
18
10
8
6
5
4
2
44
46
50
12
48
33
32
31
30
29
28
27
26
25
24
13
11
1
3
7
9
Tx_Band1
Tx_Band2
Tx_Band5
Tx_Band8
GND7 GND8 GND9 GND10 GND11 GND12 GND13 GND14 GND15 GND16 GND17 GND18
ANT_GSM1800
ANT_Band1
ANT_Band2
ANT_Band5
ANT_Band8
GND1
GND2
GND3
GND4
GND5
GND6
Rx_GSM1800_1
Rx_GSM1800_2
Rx_Band1_1
Rx_Band1_2
Rx_Band2_1
Rx_Band2_2
Rx_Band5_1
Rx_Band5_2
Rx_Band8_1
Rx_Band8_2
GND19
GND20
GND21
GND23 GND2
4
GND2
5
GND26 GND27 GND28 GND29 GND30 GND31 GND3
2
L1019
DNI
DNI
L1024
C1031
33p
RX_B1_H2
RX_B1_H2
RX_B2_M2
RX_B2_M2
RX_B8_L1X
RX_B8_L1X
RESET_N
PA_RAMP
PA_RAMP
SPI_DRW
SPI_DRW
SPI_DRW
SPI_DRW
SPI_DRW
SPI_SS
SPI_SS
SPI_SS
SPI_SS
SPI_SS
SPI_CLK
SPI_CLK
SPI_CLK
SPI_CLK
SPI_CLK
VSPI
VSPI
VSPI
VSPI
PA_RF
PA_RF
PA_POW_DE
T
PA_POW_DET
TX_H
TX_H
TX_L
TX_L
DI3_SYS_CLK
DI3_REF_CLK_EN
DI3_RX_DAT
DI3_RX_DATX
GSM_HB_TX
GSM_HB_TX
GSM_LB_TX
GSM_LB_TX
CLK_ON
CLK_ON
CP_OU
T
CP_OUT
RX_GSM1800_M1
RX_GSM1800_M1
RX_GSM1800_M1X
RX_GSM1800_M1X
DI3_TX_DATX
RX_B8_L1
RX_B8_L1
RX_B2_M2X
RX_B2_M2X
RX_B1_H2X
RX_B1_H2X
DI3_TX_DAT
RX_B5_L2X
RX_B5_L2X
RX_B5_L2
RX_B5_L2
26MHz_GPS_REF_EN
DI3_SYS_CLK_EN
26MHz_GPS_REF
RD_B4_HX
RD_B4_HX
RD_B4_H
RD_B4_H
DPX_IN
RF PMB5712
B2/GSM1900
Quad-Band
PAM DCDC
B5/GSM850
B8/EGSM
GSM1800_RX
Tranciever PMU
R113 must be close to PMB5712
R114 must be close to Baseband
B1
B1 RX Diversity
7. CIRCUIT DIAGRAM