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CN4000
10
8
1
6
2
3
7
4
5
11
9
VREG_MSME_1.8V
C4031
DNI
C4032
DNI
PS_HOLD
JTAG_PS_HOLD
RF_BAND_Indicator
R4028
R4027
DNI
DNI
TRK_LO_ADJ
Model
WCDMA BAND
R4027
R4028
E475f
1 / 5
OPEN
750
HSED_BIAS1
E420
1 / 8
OPEN
OPEN
750
OPEN
E420f
1 / 5
* 750 Ohm P/N: ERHZ0000493
Route to 3.5pi GND
EAR_GND
ADC_PCB Version Check
R4022
VREG_P3_2.85V
PCB_REVISION
SPK_RCV_N
100K
R1
SPK_RCV_P
R2
Revision
R1
R2
ADC Range(HEX.)
EVB
100K
OPEN
A
100K
5.6K
00.16
B
100K
12K
17.25
C
100K
19.1K
26.34
D
100K
27K
35.42
E
100K
36K
43.51
F
100K
47K
52.5E
1.0
100K
100K
83.95
1.1
100K
130K
96.A9
MP
100K
OPEN
LGE Internal Use Only
u-USB Connector
VBUS_CHG_IN
VBUS 2mm
2mm
FL4000
1
IN
OUT
GND1 GND2
USB_ID
FL4001
1
5
C4003
2
4
ZD4003
ZD4004
ZD4001
DNI
DNI
MINIABB_DM
MINIABB_DP
VBAT
VBAT
VBAT
VREG_MSME_1.8V
C4007
C4008
10u
1u
C4067
R4004
1u
22K
VCHG_VBUS
C4018
4.7u
VBAT
C4023
1u
C4021
0.1u
C4024
0.1u
P2
C4030
27p
TCXO_PM_19.2MHZ
TCXO_IN
F2
XTAL32K_IN
E1
XTAL32K_OUT
X4000
N3
TP4001
NX3215SA
WLAN_CLK_REQ_WCN
TCXO_A0_EN
M4
WLAN_CLK_WCN
TCXO_OUT_A0
K3
TP4002
32.768KHz
TCXO_EN
TCXO_D0_EN
N9
R4015
51
PMIC_TCXO
TCXO_OUT_D0
N5
TP4003
BT_FM_CLK_REQ_WCN
TCXO_D1_EN
N7
BT_FM_CLK_WCN
TCXO_OUT_D1
E5
SLEEP_CLK
SLEEP_CLK0
R4026
K9
PS_HOLD
K13
10K
CBLPWR_N
TP4004
K11
KPD_PWR_N
KPD_PWR_N
M10
R4017
TP4005
RESIN_N
51K
K15
OPTION1
TP4006
C11
SBDT
PMIC_SSBI
H8
PON_RESET_N
nPON_RST
TP4007
H10
PM_INT_N
PM_INT_N
N17
PA_THERM
U4001
R4018
M8
PM_TRK_LO
PM8029
M6
0
R4019
0
TRK_LO_ADJ
TRK_LO
C4037
M14
HSED_BIAS1
3.3n
M16
HSED_BIAS2
E19
EXT_IN_LP
FM_LO_PMIC
E21
EXT_IN_RM
C4072
FM_RO_PMIC
1u
F14
LINE_OP
C4040
2.2u
HPA_IN_LP
H14
C4041
2.2u
HPA_IN_RM
LINE_ON
F16
HPA_GNDREF
Route to MSM-AGND (pin B10)
C4042
18n
P18
SPKR_IN_M
HPH_L
C4062
18n
N19
SPKR_IN_P
HPH_R
0
H16
HPA_CM_SNS
R4020
H18
EAR_L_PMIC
HPA_OUT_L
F18
EAR_R_PMIC
HPA_OUT_R
GND
P20
R4021
12
SPKR_BYP_M
RCV_N
N21
R4023
12
SPKR_BYP_P
RCV_P
R19
FB4000
220
SPKR_OUT_M
P22
FB4001
220
SPKR_OUT_P
GSM_PA_DAC_REF
Seperate from Main Ground
Mini ABB_NS
VREG_PROX_3.0V
CAM_AVDD_2.8V
CAM_DVDD_1.2V
CAM_IOVDD_1.8V
TP1
C4074
C4075
C4076
C4077
VBAT
VBUS_CHG_IN
1u
1u
1u
2.2u
3
VIN
23
25
VBUS1
VBAT1
24
26
VBUS2
VBAT2
22
27
MINIABB_DM
D-
EXPDET
21
U1
MINIABB_DP
D+
20
11
RT8966AGQW
USB_ID
UID
DN
19
12
RES
DP
18
13
CAP
U1
14
U2
15
AUD1
VREG_MSME_1.8V
16
AUD2
17
MIC
32
DSS
C4006
1u
GND
C4009
4.7u
C4010
4.7u
C4011 10u
C4013
4.7u
C4071
4.7u
C4014
10u
C4015
0.1u
C4016
0.1u
C4017
0.1u
C4019
0.1u
C4020
0.1u
C4022
1u
L4000
VREG_MSMC1_1.1V
2.2u
L4001
VREG_MSMC2_1.1V
2.2u
A9
L4002
VSW_S1_1
B8
VREG_MSME_1.8V
2.2u
VSW_S1_2
B10
VREG_S1
A17
VSW_S2_1
B16
L4003
VSW_S2_2
B18
VREG_SMPS_2.1V
2.2u
VREG_S2
F22
VSNS_RF_SMPS
VSW_S3_1
F20
C4033
C4034
C4035
C4036
VSW_S3_2
G21
VREG_S3
22u
22u
22u
22u
B22
VSW_S4
B20
VREG_S4
C21
VREG_L1
VREG_TOUCH_3.0V
D20
VREG_L2
VREG_PADAC_2.05V
C1
VREG_L3
VREG_MSMA2_1.2V
C3
VREG_L4
VREG_PLL_1.1V
E3
VREG_L5
+1V3_MSM_A3_WCN
B2
VREG_L6
+1V2_WLAN_WCN
K23
VREG_L7
VREG_MSMA1_2.6V
R5
VREG_L8
VREG_TCXO_2.85V
P6
VREG_L9
VREG_USB_1.8V
P10
VREG_L10
VREG_LCD_2.8V
R9
VREG_L11
+1V8_WLAN_TCXO
N1
VREG_L12
VREG_P3_2.85V
K1
VREG_L13
VREG_SDCARD_2.85V
G3
VREG_L14
VREG_USB_3.3V
M2
VREG_L15
VREG_USIM2_2.85V
G1
VREG_L16
VREG_USIM1_2.85V
A3
VREG_L17
+3V_WLAN_WCN
B4
VREG_L18
VREG_RF_2.7V
B6
VREG_L19
+1V2_MSM_A2_WCN
K21
NCP_CTC1
H20
C4069
2.2u
NCP_CTC2
G19
VREG_NCP
1u
1u
2.2u
2.2u
2.2u
2.2u
1u
1u
1u
1u
1u
1u
1u
1u
1u
1u
1u
1u
1u
M18
NCP_FB
C4070
2.2u
R17
LED_ATC
B14
VIB_DRV_N
VIB_DRV_N
C13
GND_DRV
- 121 -
MLED[4]
MLED[3]
MLED[2]
MLED[1]
BACK-UP BATTERY
VCHG_VBUS
USBH_DM
USBH_DP
VREG_MSME_1.8V
R4001
R4002
4.7K
4.7K
MINIABB_I2C_SDA
MINIABB_I2C_SCL
MINIABB_INT
Battery Conn.
VREG_MSME_1.8V
VREF_THERM
DNI
VBAT_TEMP
Copyright © 2013 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
VCOIN
C4068
47u
VBAT
2mm
2mm
KQ03LV1-3R
EAG62810901
D2
3
2
1
C4026
ZD4002
D1
C4073
C4029
CN4001
DNI
100u
0.1u
Must Check Battery Conn. Pin Map
Only for training and service purposes
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Troubleshooting
