- 129 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
C4029
47u
VA4001
L4002
2.2u
2.2u
L4003
0
R4029
TP4005
4.7u
C4071
C4007
1u
ZD4003
C4069 2.2u
VREF_THERM
ZD4002
L4000
2.2u
1u
C4005
4.7K
R4002
VREG_PROX_3.0V
VCHG_VBUS
R4004
22K
TP4007
C4061
1u
VREG_MSME_1.8V
2.2u
C4077
1u
C4002
U4002
33
28
27
26
13
25
11
10
24
23
31
22
29
21
20
14
12
7
2
9
5
32
19
18
17
8
30
6
16
4
3
15
1
OUT1
AUD1
VIN
OUT3
AUD2
GND1
SCL
LED2
MIC
CAP
RES
DSS
OUT4
LED3
OUT2
LED1
DP
U2
UID
D+
SDA
D-
INT\
VBUS1
VBUS2
LED4
DN
VBAT1
U1
VBAT2
EXPDET
GND2
PGND
TP4009
FB4000
220
VBUS_CHG_IN
VREG_USIM2_2.85V
2.2u
C4070
1u
C4006
C4010
4.7u
1u
C4000
C4021
0.1u
C4013
4.7u
0.1u
C4015
C4017
0.1u
12
R4023
NX3215SA
X4000
32.768KHz
2
1
100K
R4022
C4067
1u
C4019
0.1u
C4020
0.1u
R4026
10K
C4026
0.1u
VBAT
R4021
12
220
FB4001
C4065
1n
C4042
18n
DNI
R4028
22
p
C4001
C4062
18n
FL4000
1
IN
OUT
GND1 GND2
C4008
10u
TP4004
TP4006
TP4002
51K
R4017
4.7K
R4001
VREF_THERM
CAM_AVDD_2.8V
VREG_SMPS_2.1V
VREG_MSME_1.8V
VREG_MSMC2_1.1V
VREG_MSMC1_1.1V
C4036
22u
CN4001
3
2
1
D1
D2
C4033
22u
22u
C4035
22u
C4034
2.2u
L4001
C402
8
100
p
1u
C4059
1u
C4060
2.2u
C4046
C4045
2.2u
C4058
1u
1u
C4057
C4056
1u
1u
C4055
C4054
1u
1u
C4052
1u
C4051
C4050
1u
1u
C4049
C4043
1u
C4044
1u
22p
C402
7
VREG_RF_2.7V
+3V_WLAN_WCN
VREG_USIM1_2.85V
VREG_USB_3.3V
VREG_SDCARD_2.85V
VREG_P3_2.85V
1n
C4066
VREG_LCD_2.8V
VREG_TOUCH_3.0V
VREG_PADAC_2.05V
VREG_MSMA2_1.2V
VREG_PLL_1.1V
51
R4015
C4018 4.7u
C4023
1u
VREG_MSMA1_2.6V
C4022
1u
R4019
0
C4016
0.1u
R4027
750
C4014
10u
VREG_TCXO_2.85V
VREG_USB_1.8V
VREG_MSME_1.8V
VBAT
C4009
4.7u
VBAT
C4037
3.3n
VBAT
U4001
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
H1
2
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
D1
0
E1
1
C7
C9
E9
D6
R2
3
R2
1
D1
8
C1
9
C1
7
C1
5
D1
6
E1
5
D1
4
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_S
1
GND_S
2
GND_S
3
GND_S
4
GND_1 GND_2 GND_3 GND_4 GND_5 GND_6 GND_7
GND_XTAL19M_OU
T
GND_XOADC GND_TCX
O
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_PWR
1
VPH_PWR
2
BAT_FET_N
VBAT VCOIN
VREF_THERM BATT_THER
M
REF_BYP REF_GN
D
VDD_S1_1 VDD_S1_2
VDD_S
2
VDD_S
3
VDD_S
4
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
C4031 DNI
R4003
10K
C4032 DNI
VREG_P3_2.85V
ZD4004
TP4010
R4009
51K
ZD4001
TP4011
TP4012
CAM_DVDD_1.2V
CAM_IOVDD_1.8V
1u
C4072
D4000
2
1
C4068
47u
C4075
1u
1u
C4074
C4041
2.2u
2.2u
C4040
2.2u
C4047
C4063
0.1u
TP4001
TP4003
+1V2_MSM_A2_WCN
+1V8_WLAN_TCXO
+1V2_WLAN_WCN
+1V3_MSM_A3_WCN
C4053
1u
C4048
2.2u
100u
C4073
27p
C4030
1u
C4076
VBAT
C4024
0.1u
VREG_MSME_1.8V
R4013
150K
TP4008
C4011
10u
R4030
DNI
VREG_MSME_1.8V
R4024
19.1K
CN4000
11
10
9
5
4
3
2
1
8
7
6
FL4001
6
3
4
1
5
2
GND
VSNS_RF_SMPS
nPON_RST
PMIC_TCXO
SLEEP_CLK
LINE_OP
TCXO_PM_19.2MHZ
USBH_DP
HPH_R
HPH_L
PS_HOLD
RCV_P
RCV_N
USBH_DM
LINE_ON
TRK_LO
VREG_MSME_1.8V
TCXO_EN
JTAG_PS_HOLD
VBAT
GSM_PA_DAC_REF
PM_INT_N
KPD_PWR_N
MINIABB_INT
PMIC_SSBI
MINIABB_I2C_SCL
MINIABB_I2C_SDA
VBUS_CHG_IN
CHG_VALID
VCHG_VBUS
PCB_REVISION
PCB_REVISION
USB_ID
USB_ID
VCOIN
VCOIN
TRK_LO_ADJ
WLAN_CLK_REQ_WCN
BT_FM_CLK_WCN
WLAN_CLK_WCN
BT_FM_CLK_REQ_WCN
MLED[4]
MLED[1]
MLED[3]
MLED[2]
MINIABB_DP
MINIABB_DP
MINIABB_DM
MINIABB_DM
MSM_USIM1_CLK
MSM_USIM1_DATA
VBAT_TEMP
VBAT_TEMP
MSM_USIM2_CLK
MSM_USIM2_DATA
EAR_L_PMIC
EAR_R_PMIC
HSED_BIAS1
VIB_DRV_N
SPK_RCV_P
SPK_RCV_N
SIM1_CLK
SIM1_I
O
SIM1_RS
T
FM_LO_PMIC
FM_RO_PMIC
SIM2_CLK
SIM2_RS
T
SIM2_I
O
Rev.C
RF_BAND_Indicator
Mini ABB_NS
Seperate from Main Ground
Must Check Battery Conn. Pin Map
Revision
Battery Conn.
WCDMA BAND
R1
R2
ADC Range(HEX.)
100K
2mm
2mm
MP
OPEN
R4027
R4028
* 750 Ohm P/N: ERHZ0000493
750
OPEN
2mm
BACK-UP BATTERY
OPEN
750
OPEN
VBUS 2mm
u-USB Connector
ADC_PCB Version Check
2 / 5
1 / 8
96.A9
1 / 5
83.95
52.5E
43.51
35.42
OPEN
26.34
17.25
00.16
130K
47K
36K
27K
19.1K
12K
5.6K
OPEN
100K
100K
1.1
1.0
F
E
D
C
B
A
EVB
Route to MSM-AGND (pin B10)
100K
100K
100K
100K
100K
100K
100K
100K
R1
R2
CI item
CI item
CI item