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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
L12002
10
n
L12001
10n
SC12020
1
SC12021
1
26MHz
3
2
4
1
X1200
0
1XXB26000CA
C
GND1
VC
C
GND2
OU
T
R12006
1n
SC12011
1
R12005
2.2K
C12018
3.9p
SC12000
1
SC12001
1
DNI
L12006
C1201
9
100p
1590.155MHz
FL12001
5
3
2
4
1
IN
OUT
G1 G2 G3
SC12002
1
SC12003
1
SC12004
1
SC12005
1
SC12006
1
SC12007
1
SC12008
1
SC12009
1
SC12010
1
SC12012
1
SC12013
1
SC12014
1
SC12015
1
SC12017
1
SC12018
1
SC12016
1
SC12019
1
0
R12001
1u
C12011
C12009
1u
1u
C12002
U12001
SSON ,4 ,R/TP ,1.8V 150mA Single LDO ,; ,IC,LDO Voltage Regulator
BU18TD2WNVX
5
3
2
4
1
VOUT
VIN
GND
STBY
PGND
R12000
0
VDD_GPS_TCXO
FL12000
LFD211G57DPMD153
240MHz
4
3
5
2
6
1
P2
GND3
GND1
P3
P1
GND2
+1V8_TPS_VIO
R12007
10K
TP12006
1u
C12003
VCC_GPS_1V8
VDD_GPS_TCXO
FB12001
FB12000
0.47u
C12007
TP12005
TP12004
VBAT
VCC_GPS_1V8
OJ12002
TP12003
TP12002
TP12001
OJ12001
OJ12000
OJ12003
U12003
ALM-3012
4
8
3
2
7
6
1
5
RFOUT+
VD
D
RFOUT-
VSD
RFIN
GND1
GND3
GND2
C12013
33p
TP12000
C12006
2.2u
VCC_GPS_1V8
6.8p
C12012
C12010
1u
C12008
1u
22p
C12004
2.2u
C12005
TP12007
GSD5T
U12002
VDD_TCXO_OUT
A1
VDD_KA_FIX
A2
GPIO3/ECLK
A3
VDD_BB_1V2_I
A4
VSS_IO_BB
A5
JTCK
A6
VSS_SMPS
A7
RTC_XTAL_I
N
B1
VSS_KA_SUB
S
B2
AIO_1
B3
GPIO1/DR_I2C_CLK
B4
VDD_IO_
I
B5
TMODE
B6
VDD_SMPS_LX_O
B7
VDD_1V8
C1
AIO_0
C3
GPIO2/TSYNC
C4
GPIO5/TM
C5
JTMS
C6
VDD_SMPS_1V8_I
C7
VDD_GNSS_1V2_I
D1
VSS_GNSS
D2
XO_OUT
D3
ON_OFF
D4
UART_TX
D5
GPIO4/EIT1
D6
GPIO0/DR_I2C_DIO
D7
GNSS_RF_IN
E1
VSS_GNSS_RF
E2
TCXO_IN
E3
EXT_SRESET_B
E4
GPIO7/UART_RTS
E5
GPIO6/UART_CTS
E6
UART_RX
E7
+1V8_TPS_VIO
C12017
68p
2.2n
L12000
L12005
10n
CN12000
1
CN12001
1
DNI
L12004
C12014
100p
GND
26MHz_GPS_REF
DPX_IN
GPS_LDO_EN
GPS_RST_N
UART_AP_RX_GPS_TX
UART_AP_TX_GPS_RX
GPS_32K_CLK_IN
GPS_PWR_ON
GPS_LNA_EN
GPS_LNA_EN
SMT Shield Can TOP
SMT Shield Can BTM
Shield Can Clip
GNSS