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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
TP4004
U4005
C5
D2
B5
D3
D1
E1
E2
E3
E5
E4
A1
C1
B1
A4
A5
A3
A2
D5
D4
C4
C3
C2
B2
B3
B4
SC
L
SD
A
INT¡
¬
GND1
GND2
GND3
GND4
BATT2
DN
DP
U1
U2
AUD1
AUD2
MIC
VBUS1
VBUS2
D-
D+
ID
RES
DSS
EXPDET
CAP
BATT1
R4034
10K
C408
2
1u
1u
C4083
TP4001
ZD4001
VBUS_CHG_IN
C4014
1u
U4006
9
5
4
6
3
7
2
8
1
VIN
VOUT1
EN1
VOUT2
P2
GND
P1
EN2
PGND
VREG_TOUCH_3.0V
U4007
9
5
4
6
3
7
2
8
1
VIN
VOUT1
EN1
VOUT2
P2
GND
P1
EN2
PGND
VBAT
R4037
10K
C4063 10u
VREG_CAM_AF_2.8V
C4077
1u
1u
C4078
C4079
1u
VREG_CAM_DVDD_1.8V
VREG_CAM_AVDD_2.8V
VREG_CAM_IOVDD_1.8V
1u
C4084
1u
C4085
VBAT
VREG_MSME_1.8V
4.7K
R4036
C4081
1u
TP4008
R4035
4.7K
C4046
2.2u 2.2u
C4047
1u
C4052
2.2u
C4060
+1V3_MSM_A3_WCN
+1V2_WLAN_WCN
+1V8_WLAN_TCXO
+1V2_MSM_A2_WCN
TP4002
1
R4025
VREG_QFUSE_1.8V
100K
R4022
U4003
5
3
2
4
1 VOUT
VDD
GND
CE
PGND
TP4007
VBAT
CN4002
3
2
1
D1
D2
1u
C4041
VREG_P3_2.85V
33n
C4061
C4080
1u
U4002
PM8029
A5
H4
H2
R7
P8
D2
D4
D22
A1
3
H22
C23
G2
3
A1
9
B1
2
A1
1
K5
G5
N15
R13
P1
4
N13
N11
R11
P1
2
R15
P1
6
M2
2
M2
0
N23
F4
C13
B14
R17
M18
G19
H20
K21
B6
B4
A3
G1
M2
G3
K1
N1
R9
P10
P6
R5
K23
B2
E3
C3
C1
D20
C21
B20
B22
G21
F20
F22
B18
B16
A17
B10
B8
A9
P22
R19
N21
P20
F18
H18
H16
N19
P18
F16
H14
F14
E21
E19
M16
M14
M6
M8
N17
H10
H8
C11
K15
M10
K11
K13
K9
E5
N7
N5
N9
K3
M4
N3
E1
F2
P2
P4
H6
R3
H12
G1
3
G1
1
F1
2
A2
3
A1
R1
A2
1
E2
3
A1
5
A7
K1
9
D8
C5
F1
0
F8
F6
D10
E1
1
C7
C9
E9
D6
R23
R21
D18
C19
C17
C15
D16
E1
5
D14
E1
3
MPP1 MPP2 MPP3 MPP4 MPP5 MPP6 MPP7 MPP8_XO_THER
M
GND_SPKR_
1
GND_SPKR_
2
GPIO_
1
GPIO_
2
GPIO_
3
GPIO_
4
GPIO_
5
GPIO_
6
GPIO_
7
GPIO_
8
GPIO_
9
GPIO_10 GPIO_11
GND_NCP GND_S1 GND_S2 GND_S3 GND_S4 GND_
1
GND_
2
GND_
3
GND_
4
GND_
5
GND_
6
GND_
7
GND_XTAL19M_OU
T
GND_XOAD
C
GND_TCXO
TCXO_IN
XTAL32K_IN
XTAL32K_OUT
TCXO_A0_EN
TCXO_OUT_A0
TCXO_D0_EN
TCXO_OUT_D0
TCXO_D1_EN
TCXO_OUT_D1
SLEEP_CLK0
PS_HOLD
CBLPWR_N
KPD_PWR_N
RESIN_N
OPTION1
SBDT
PON_RESET_N
PM_INT_N
PA_THERM
PM_TRK_LO
TRK_LO_ADJ
HSED_BIAS1
HSED_BIAS2
EXT_IN_LP
EXT_IN_RM
HPA_IN_LP
HPA_IN_RM
HPA_GNDREF
SPKR_IN_M
SPKR_IN_P
HPA_CM_SNS
HPA_OUT_L
HPA_OUT_R
SPKR_BYP_M
SPKR_BYP_P
SPKR_OUT_M
SPKR_OUT_P
VSW_S1_1
VSW_S1_2
VREG_S1
VSW_S2_1
VSW_S2_2
VREG_S2
VSW_S3_1
VSW_S3_2
VREG_S3
VSW_S4
VREG_S4
VREG_L1
VREG_L2
VREG_L3
VREG_L4
VREG_L5
VREG_L6
VREG_L7
VREG_L8
VREG_L9
VREG_L10
VREG_L11
VREG_L12
VREG_L13
VREG_L14
VREG_L15
VREG_L16
VREG_L17
VREG_L18
VREG_L19
NCP_CTC1
NCP_CTC2
VREG_NCP
NCP_FB
LED_ATC
VIB_DRV_N
GND_DRV
VDD_MSM_IO
VDDANA_SPKR
VDDIN_SPKR_
1
VDDIN_SPKR_
2
VCHG_
1
VCHG_
2
VPH_PWR1 VPH_PWR2 BAT_FET_
N
VBAT VCOIN
VREF_THER
M
BATT_THER
M
REF_BYP REF_GN
D
VDD_S1_
1
VDD_S1_
2
VDD_S2 VDD_S3 VDD_S4
VDD_NCP_L7
VDD_SMPS VDD_L1_L2
VDD_L3_L4_L5_L6_
1
VDD_L3_L4_L5_L6_
2
VDD_L8_L9_L10_L11_
1
VDD_L8_L9_L10_L11_
2
VDD_L12_L13_L14_L15_L16_
1
VDD_L12_L13_L14_L15_L16_
2
VDD_L17_L18_L19
VBAT
VBAT
3.3n
C4040
VBAT
4.7u
C4012
VBAT
VREG_MSME_1.8V
0.1u
C4025
VREG_USB_1.8V
VREG_TCXO_2.85V
C4024
0.1u
0.1u
C4019
R4021
0
C4001
1u
VREG_MSMA1_2.6V
C4032
0.1u
VREG_MSME_1.8V
VREG_PLL_1.1V
VREG_MSMA2_1.2V
VREG_PADAC_2.05V
2.2u
C4066
VREG_LCD_2.8V
VREG_P3_2.85V
VREG_SDCARD_2.85V
VREG_USB_3.3V
VREG_USIM2_2.85V
VREG_USIM1_2.85V
+3V_WLAN_WCN
VREG_RF_2.7V
22p
C4029
C4043
1u
1u
C4042
C4048
1u
1u
C4049
1u
C4050
1u
C4051
1u
C4053C4054
1u
1u
C4055
1u
C4056
1u
C4057
2.2u
C4044
2.2u
C4045
C4059
1u
1u
C4058
100p
C4030
L4002
2.2u
2.2u
L4004
22u
C4036
C4037
22u
C4035
22u
C4038
22u
VREG_MSMC1_1.1V
VREG_MSMC2_1.1V
VREG_MSME_1.8V
VREG_SMPS_2.1V
R4024
130K
0.1u
C4062
VREF_THER
M
51K
R4016
TP4003
TP4006
C4011
1u
R4033
36K
VBAT
C4075
0.1u
VREF_THERM
0.1u
C4023
0.1u
C4018
1
R4020
R4004
1K
BAT4001
0.1u
C4026
0.1u
C4017
C4015 4.7u
4.7u
C4016
33p
C4009
C4010 4.7u
100K
R4026
R4008
0
1u
C4008
22K
R4006
MIC_BIAS2_1.8V
VCHG_VBUS
2.2u
L4003
2.2u
L4001
C4031
47u
1u
C4076
R4013
1
D4001
R4007
100K
X4001
Q13FC1350000200
32.768KHz
2
1
SLEEP_CLK
VBAT
GND
VSNS_RF_SMPS
BT_FM_CLK_WCN
WLAN_CLK_WCN
BT_FM_CLK_REQ_WCN
nPON_RST
PMIC_TCXO
TCXO_PM_19.2MHZ
UART_TX
UART_RX
USBH_DP
PS_HOLD
TRK_LO
MSM_USIM2_DATA
MSM_USIM2_CLK
MSM_USIM1_CLK
MSM_USIM1_DATA
VSNS_MSMC2_1.1V
VSNS_MSMC1_1.1V
VSNS_MSME_1.8V
TCXO_EN
JTAG_PS_HOLD
GSM_PA_DAC_RE
F
PM_INT_N
KPD_PWR_N
MINIABB_INT
TRK_LO_ADJ
WLAN_CLK_REQ_WCN
PCB_REVISION
PCB_REVISION
VCOIN
VCOIN
CHG_VALID
PMIC_SSBI
VBAT_TEMP
VBAT_TEMP
USIM2_RS
T
USIM2_DATA
USIM2_CLK
USIM1_DATA
USIM1_CLK
USIM1_RS
T
USBH_DM
TOUCH_3.0V_EN
CAM_DVDD_1.8V_EN
CAM_AVDD_2.8V_EN
CAM_IOVDD_1.8V_EN
CAM_AF_2.8V_EN
VCHG_VBUS
MINIABB_I2C_SDA
MINIABB_I2C_SCL
MAX_DM
MAX_DP
KEY_LED_EN
USB_ID
VIB_DRV_N
CHANGE 1111
Remove Cap. 0819
Rev.B change
Change 0819
R2
R1
100K
100K
100K
100K
100K
100K
100K
100K
PCB Revision
Revision
A
B
C
D
E
F
1.0
1.1
R1
100K
R2
5.6K
12K
19.1K
27K
36K
47K
130K
ADC Range(HEX.)
Change 0819
00.16
17.25
26.34
35.42
43.51
52.5E
83.95
96.A9
ADC
BACK-UP BATTERY
2mm
2mm
TOUCH 3.0V LDO
CHANGE 1009
Battery Conn.
Must Check Battery Conn. Pin Map
CHANGE 1107
CHANGE 1009
CHANGE 1009
CHANGE 1115
CHANGE 1215
CHANGE 1030
CHANGE 1009
CAM LDO
Must Check Battery Temp Circuit
CHANGE 1215
CHANGE 1215
CHECK IT!!!
CHANGE 1107
Mini ABB Basic
CHANGE 0103