LG LG-E400 - Page 153

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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
TP404
R416
0
104DZ
2.2u
L400
004D
2.2u
L402
604C u1
VCHG_VBUS
R404
22K
C422
0.1u
VREG_MSME_1.8V
C401
1u
FL401
5
6
31
42
P2 P4
P1 P3
6P
5P
R405
0
BAT400
VBUS_CHG_IN
C465
1u
VREG_USIM2_2.85V
TP400
1u
C407
4.7uC411
u1
004C
C425
0.1u
4.7uC414
D401
VREF_THERM
0.1uC418
C421 0.1u
R419
36K
R421
100K
0.1uC423
R409
470K
R414
1K
C424 0.1u
MIC_BIAS
0.1u
C431
VBAT
2
24
R
K
00
1
104R
K7.4
22p
C404
p22204C
FL400
1
IN OUT
GND1 GND2
C409
33p
TP408
TP405
TP402
51K
R415
MREHT_FERV
3
24
R
IND
VREG_SMPS_2.1V
VREG_MSME_1.8V
VREG_MSMC2_1.1V
VREG_MSMC1_1.1V
22u
C439C436
22u
C438
22u
C437
22u
2.2u
L403
L401
2.2u
334C p001
1u
854C
1u
95
4
C
2.2u
544C
2.2u
444C 75
4
C
1u
654C
1u
5
5
4C
1u1u
454C 3
5
4C
1u
154C
1u1u
054C 944C
1u
844C
1u
244C
1u 1u
344C
p22234C
VREG_RF_2.7V
+3V_WLAN_WCN
VREG_USIM1_2.85V
VREG_USB_3.3V
VREG_SDCARD_2.85V
VREG_P3_2.85V
VREG_LCD_2.8V
VREG_TOUCH_3.0V
VREG_PADAC_2.05V
VREG_MSMA2_1.2V
VREG_PLL_1.1V
R412 51
VREG_MSME_1.8V
C428
0.1u
VREG_MSMA1_2.6V
C426 1u
R417
0
0.1u
C420
C429
33n
C416 0.1u
VREG_TCXO_2.85V
VREG_USB_1.8V
C462
33n
VREG_MSME_1.8VVBAT
C410 4.7u
VBAT
C440
3.3n
VBAT
U402
5A 4H 2H 7R 8P 2D 4D
22D 31A 22H 32
C
32G 91A 21B 11A
5K 5G
51N 31R 41P 31N 11
N
11R 21P 51R 61P 22M 02M 32N
4F
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
4P 6H 3R 21H 31G 11G 21F 32A 1A 1R 12A 32E 51A 7A 91K 8D 5C 01F 8F 6F 0
1D
11E 7C 9C 9E 6D 32R 12R 81D 91C 71C 51C 6
1D
51E 41D 31
E
1P
PM
2PP
M
3
PPM
4P
PM
5PP
M
6PPM 7
PPM
MREHT_OX_
8
PPM
1_
R
KP
S
_D
NG
2_R
K
PS
_
DNG
1_OIPG 2_
OI
PG
3_OIP
G
4_OIP
G
5_
OI
PG
6_
OI
PG
7_OIPG
8_OIPG 9_OIPG
01_OIPG 11_OIPG PCN_DNG
1S_DNG 2S_DNG
3S_DNG 4S_DNG
1_DNG 2_DNG 3_DNG 4_DNG
5_DNG 6
_D
NG
7_DNG
T
U
O_M91LATX
_
DNG
CDAOX_DNG
OXCT_DNG
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
OI
_
MSM_DDV
RKPS
_
AN
A
DDV
1_RKPS_N
I
DDV
2
_
RKPS_NIDD
V
1
_G
H
CV
2_GHCV
1
RW
P
_H
P
V
2RWP_HPV N_TEF
_
TAB
T
A
BV
N
I
OC
V
MREHT_FERV MREHT_TTAB PYB_FER DNG_FER 1_1S_DDV 2_1S_DDV 2S_DDV 3S_DDV 4S_DDV
7L_PCN_DDV
SPMS_DDV 2L_1L_DDV
1_6L_5L_4L_3L_DDV 2_
6L
_
5L
_4
L
_3
L
_D
DV
1_11L_01L_9L_8L_DDV 2_11L_01L_9L_8L_DDV 1
_
61
L
_5
1
L_
41
L_
3
1L
_
21L
_
DD
V
2_61L_51L_41L_31L_21L_DDV
91L_81L_71L_DDV
R424
0
C430
DNI
304R
K01
C435
DNI
C405
1u
VREG_P3_2.85V
1u
C441
VBAT
R427
DNI
TP406
R406
0
R425
DNI
CN400
11
10
9
5
4
3
2
1
8
7
6
814R
K00
1
004X
FC-135_32.768KA-AC3
32.768KHz
2 1
014R
K086
804Cu1
R400
1K
U400
C5
D2
B5
D3
D1
E1
E2
E3
E5
E4
A1
C1
B1
A4
A5
A3
A2
D5
4D 4C 3C 2C 2B 3B 4B
LCS ADS
¬¡TNI
1DNG 2DNG 3DNG 4DNG
BATT2
DN
DP
U1
U2
AUD1
AUD2
MIC
VBUS1
VBUS2
D-
D+
ID
RES
DSS
EXPDET
CAP
BATT1
204R
K7.4
VA400
ZD400
C434
100u
OJ400
OJ401
C413
u1
66
4
C
u
1.
0
VREG_MSME_1.8V
R426 0
R428
0
C427
0.1u
TP401
TP403
R413
51
+1V2_MSM_A2_WCN
+1V8_WLAN_TCXO
+1V2_WLAN_WCN
+1V3_MSM_A3_WCN
064C
2.2u
254C
1u
74
4
C
2.2u
644C
2.2u
TP407
CN401
3
2
1
D1
D2
C412 10u
nPON_RST
PMIC_TCXO
SLEEP_CLK
TCXO_EN
JTAG_PS_HOLD
VBAT
GSM_PA_DAC_REF
TCXO_PM_19.2MHZ
UART_TX
UART_RX
USBH_DP
PS_HOLD
PM_INT_N
KLC_1MIS
KPD_PWR_N
VREG_MSME_1.8V
MINIABB_INT
GND
TRK_LO_ADJ
OI_1MIS
VSNS_RF_SMPS
YEK_THGILKC
AB
PMIC_SSBI
MINIABB_I2C_SCL
MINIABB_I2C_SDA
VBUS_CHG_IN
USBH_DM
VSNS_MSMC1_1.1V
VSNS_MSME_1.8V
VSNS_MSMC2_1.1V
TRK_LO
DILAV
_GH
C
VCHG_VBUS
VCOIN
N
I
OCV
N
O
ISIVER
_BCP
PCB_REVISION
ES
NES
_
TABV
VBAT_SENSE
USB_ID
USB_ID
VIB_DRV_N
WLAN_CLK_REQ_WCN
BT_FM_CLK_WCN
WLAN_CLK_WCN
BT_FM_CLK_REQ_WCN
MINIABB_DP
MINIABB_DP
MINIABB_DM
MINIABB_DM
KLC_1MISU_MSM ATA
D_
1
MISU
_
MSM
TSR_1MIS
VBAT_TEMP
PMET_TABV
PPM
_PME
T
_
TABV
VBAT_TEMP_MPP
Hole
Mini ABB_NS
Must Check Battery Conn. Pin Map
Battery Conn.
2mm
2mm
2mm
BACK-UP BATTERY
VBUS 2mm
u-USB Connector
ADC
96.A9
83.95
52.5E
43.51
35.42
26.34
17.25
00.16
ADC Range(HEX.)
130K
47K
36K
27K
19.1K
12K
5.6K
R2
100K
R1
1.1
1.0
F
E
D
C
B
A
Revision
PCB Revision
100K
100K
100K
100K
100K
100K
100K
100K
R1
R2
Rev.B Change