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LG LG-E730 - Page 128

LG LG-E730
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4. TROUBLE SHOOTING
- 128 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
0
0
4
TP
K
0
0
1
424C
u1.0
524C
u1.0
TP401
4
44
C
IN
D
C446
4.7u
u1134C
824C
u1.0
C447
4.7u
924C
u1.0
034C
u1.0
9
1
4R
K02
C448
4.7u
C449
4.7u
C450
4.7u
C451
4.7u
VREG_TOUCH_1.8V
C477 1u
1uC476
C475 1u
C468
4.7u
334C
u74.0
22u
C438
C452
4.7u
2.2uC416
C418
39p
23
4
Cu7
.
4
C469
1u
VBAT
+VPWR
VCHG_VBUS
RWPV+
C415 10u
C414 10u
C413
10u
10u
C412
C411
10u
V8.1_EMSM_GERV
RWPV+
V2.2_FR_GERV
RWPV+
V8.1_EMSM_GERV
RWPV+
V8.1_EMSM_GERV
544C
IND
0.1uC419
C453
4.7u
C454
4.7u
0.1uC420
C421 1u
C455
4.7u
C456
4.7u
C422 0.1u
C457
4.7u
1uC417
L400 2.2u
32.768KHz
FC-135_32.768KA-AC3
1
04X
2
1
U403
21
R
01R
4T
51F
61P
8B
21B
51K
5A
1J
61B
3T
1P
1M
2R
1A
1F
11B
61F
61G
31A
31T
61
K
5R
8
R
21M
7R
21T
01T
31M
21
N
31N
4L
4
M
5M
4N
5N
5L
6N
31F
5E
9E
4F
T1
R11
R9
T9
T11
R1
D13
B10
B9
T8
R6
T5
T7
R16
N16
T16
A9
A12
M15
L15
A4
A6
A16
K1
H1
C16
G1
D1
T2
N1
L1
P2
R3
B1
C2
C1
E1
A11
A10
D15
E16
G15
H16
B13
A14
R13
T14
L16
L13
K13
J13
J12
H13
G13
G12
G2
B15
G4
F5
G5
F12
K12
L12
H5
H4
E10
E13
E12
E11
D11
M8
E15
D12
P15
R15
H15
J15
R14
D10
B14
J4
J5
C15
A8
A7
E4
B2
D5
B3
D7
D6
D8
B7
A3
A2
01G
6T
8G
7H
7G
61D
61J
51A
51T
61M
01K
9K
8K
7K
01J
9J
8J
7J
01H
9H
8H
9G
21H
9D
8E
7E
6E
2D
4
B
2N
01M
11M
7N
9M
8N
7M
2
M
6M
2K
4R
2L
4K
2H
5K
2
F
2J
2E
6B
5B
01N
9N
11N
0SA
IB_D
ES
H
1SA
IB_D
ESH
2SA
I
B_D
ESH
1S
NS
_D
PYK
_1
0O
IPG
2S
NS_
D
PYK
_20
O
IPG
3S
NS_D
PYK
_30O
IPG
4S
NS_D
P
YK
_40O
I
PG
5
S
NS_D
P
YK
_50O
I
PG
6S
NS_D
PYK
_60O
IP
G
7S
N
S_D
PYK
_70O
IPG
8SNS
_D
PYK
_
80O
IPG
1V
R
D
_D
PYK
_9
0O
IPG
2V
R
D_
D
PYK
_0
1O
IPG
3V
RD_
DPYK
_11
O
IPG
4V
RD_DP
YK
_21
OIPG
5V
RD_DP
YK
_31OI
PG
6
VRD_D
P
Y
K
_41O
I
P
G
7
V
R
D_D
PY
K_51O
IP
G
8VR
D_D
PYK_
61O
IPG
9V
R
D
_D
PYK_7
1O
IPG
01V
RD
_
D
PYK
_8
1
O
IPG
11V
RD
_
D
PYK
_9
1
O
IPG
2
1V
RD_
DPYK
_02
OIPG
3
1V
RD_DP
YK
_12
OIPG
41
V
RD_D
P
Y
K
_22O
I
P
G
51VRD_DPYK_32OIPG
61VRD_DPYK_42OIPG
71VRD_DPYK_52OIPG
81VRD_DPYK_62OIPG
A_KCITSYOJ_50PPM
1DNG
2DNG
3DNG
4DNG
5DNG
6DNG
7DNG
8DNG
9DNG
01DNG
11DNG
21DNG
0S_DNG
1S_DNG
2S_DNG
3S_DNG
4S_DNG
OX_DNG
CDAOX_DNG
FUBOX_DNG
PCN_DNG
DNG_FER
XTAL_19M_IN
XTAL_19M_OUT
XO_OUT_A0_EN
XO_OUT_A0
XO_OUT_A1_EN
XO_OUT_A1
XO_OUT_D0_EN
XO_OUT_D0
XO_OUT_D1_EN
XO_OUT_D1
XTAL_32K_OUT
XTAL_32K_IN
SLEEP_CLK0
GPIO38_SLEEP_CLK1
GPIO39_MP3_CLK
RESIN_N
KYPD_PWR_N
OPT_1
OPT_2
OPT_3
MPP11_CBLPWR0_N
MPP12_CBLPWR1_N
PS_HOLD
PON_RESET_N
GPIO40_EXT_SMPS_EN
SSBI
PM_INT_SEC_N
PM_INT_USR_N
PM_INT_MDM_N
GPIO33_UART_RX1
GPIO34_UART_RX2
GPIO35_UART_RX3
GPIO37_UART_M_RX
GPIO36_UART_M_TX
MPP01_EBOOT_M_RX
GPIO32_EBOOT_RX
GPIO29_EBOOT_M_TX
GPIO31_EBOOT_TX
NFC_EXT_EN
XOADC_REF
MPP03_CDMA_HDET
MPP04_IR_PROX_RX
MPP06_CHG2_DET
MPP07_BATT_THERM
MPP08_BATT_ID
MPP09_XO_THERM
MPP10_PA_THERM
VSW_S0
VREG_S0
N15
VSW_S1
VREG_S1
VSW_S2
VREG_S2
VSW_S3
VREG_S3
VSW_S4
VREG_S4
VREG_L0
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
VREG_L20
VREG_L21
VREG_L22
VREG_L23
VREG_L24
VREG_L25
NCP_CTC1
NCP_CTC2
NCP_FB
VREG_NCP
VOUT_LVS0
VOUT_LVS1
REF_BYP
KYPD_DRV_N
LED_DRV0_N
LED_DRV1_N
LED_DRV2_N
LED_ATC
VIB_DRV_N
KLC_MIU_03OIP
G
TS
R
_M
_
MIU
_
72
O
IP
G
TS
R_
MI
U
_8
2
OI
P
G
A
TAD_MIU_2
0
PP
M
0
NO_
A
P_
G
1NO_AP_G
0NO_
A
P_U
1
NO
_A
P
_U
2
NO
_A
P
_U
3NO_AP_U
LTC_
A
P_
T
UOV
SN
S
_PVO
P
M
AL
C
_P
V
O
L
T
C_P
V
O
2GHCV
2RWP
_
HP
V
N_
T
EF
_
TA
B
M
R
EHT_FERV
TABV
NI
O
CV
0S_DDV
1S
_
DD
V
2S_DDV
3S_DDV
4S_DDV
SVL_1L_0L_DDV
21L_11L_2L_DD
5L_4L_3L_DDV
7L_6L_DDV
8L_DDV
9L_DDV
01L_DDV
61L_31L_DDV
51L_41L_DDV
81L_71L_DDV
02L_91L_DDV
12L_DDV
22L_DDV
52L_42L_32L_DDV
OI_MSM_DDV
PCN_DDV
1
GH
C
V
1RWP
_
HPV
C470
1u
TP402
2.2uL402
C472
1n
C458
4.7u
39
4
C
IN
D
+VPWR
C459
4.7u
C460
4.7u
C461
4.7u
C462
4.7u
C463
4.7u
C464
4.7u
C465
4.7u
C466
4.7u
VREG_XOADC_REF_2.2V
C471
0.1u
R428 100K
C473
0.1u
TP403
VREG_CAM_DVDD_1.8V
IN
D
4
94
C
C467
4.7u
R490
1K
R491
1K
VREG_QFUSE_1.8V
VREG_RF_1.3V
2.2u
L401
VREG_MSMC1_1.1V
VREG_MSMC2_1.1V
VREG_MSMA1_1.3V
VREG_MSME_1.8V
VREG_MICRO_SD_2.85V
C478
22u 22u
C441
VREG_EMMC_2.85V
VREG_USB_1.8V
VREG_USB_3.3V
VREG_MSMA2_2.05V
VREG_TOUCH_2.7V
VREG_RF_SW_2.7V
VREG_LCD_1.8V
VREG_XOADC_REF_2.2V
VREG_MPLL_1.1V
QTR_WCA_DIG_1.2V
R426
10K
22u
C439
C434
1u
C440
10u DNI
C443C437
22u
VREG_RUIM_2.85V
VREG_LCD_3.0V
2.2uL404
L403 2.2u
22u
C435C436
22u
VREG_SENSOR_2.6V
VREG_CAM_AVDD_2.8V
VREG_CAM_AF_2.8V
VREG_CAM_IOVDD_1.8V
C442
DNI
VREG_RF_2.2V
VREG_KEY_TOUCH_1.8V
CDA_MRE
H
T
_GE
RV
X400 1ZCB19200AB0D
19.2MHZ
21
34
R422
DNI
R421
0
VREG_SENSOR_IO_1.8V
R424
0
N
_
TE
S
ER
_
M_
M
IS
U
USIM_M_DATA
USIM_M_CLK
PMIC_MDM_IRQ_N
PMIC_USER_IRQ_N
PMIC_SECURE_IRQ_N
PON_RESET_N
JTAG_PS_HOLD
TCXO_EN
MSM_TCXO
PS_HOLD
GND
N_TEF_T
T
AB
TE
S
ER
_M
I
S
A
TAD_MIS
KLC_MIS
BATT_THM_ADC
PCB_REV_ADC
QTR_TCXO
BH
G
_N
O
_A
P
BL
G
_N
O_
A
P
SAIB_CI
M
KPD_PWR_N
BATT_SENSE
PCB_THM_ADC
SLEEP_CLK0
NI
O
CV
PMIC_SSBI
0
01
2
W_NO_AP
0
58
W
_N
O_
A
P
MWP_BIV
2SAIB_CIM
REMOTE_PWR_ON
KEY_TOUCH_LED_N
BAND_CHECK_ADC
VIB_N
Because of height
GND for XO_ADC
GND for REF
XO_Thermister
GND for XO_ADC
Place this point near QTR IC
Place this point near QTR IC
Place this point near MSM
Place this point near MSM
PM8058
Connect to H7 Pin
XO_ADC_GND
XO_ADC_GND
GND for XO_ADC
Change 1005
Use W1900 - R** connect / R** disconnect
Use W2100 - R** disconnect / R** connect
00
9
1W
_
NO_AP
g
n
ig
g
ub
ed
r
o
F
add to 1k ohm
ERASE KEY_SENSE,KEY_DRV
Add and check
change net_name
add key touch 1.8V
To be obsolete
Insert line_RevC
BveR_eul
a
v
e
vo
m
eR
Insert value for tune_Rev.B
Connect line_RevB
Changed at REVC
22p
C404
1u
C403
C402
1u
VCHG_VBUS
ZD400
FL400
1
IN OUT
GND1 GND2
U400
9
54
63
72
81
VIN1 VOUT2
VIN2 VOUT1
OVPFB GND
WRN EN
D
N
GP
VBUS
2mm 2mm
TA OVP Circuit
VBUS 2mm
Change value and size1608
Change value
TP1
C426
10n
+VPWR
C427
100u
Q401
5
4
63
72
81
D1 D6
D2 D5
D3 D4
G S
VBAT
BATT_FET_N
QCT FFA : SI2333DS-T1-E3
TP2

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