LG LG-E730 - Page 114

4. TROUBLE SHOOTING
- 114 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
U501
21L 11B
01E
11C 21C
6L
2J 6H 7F 2D 3E
1C 1E
3G 6B 1B
4
C
4A
3A
21M 11L
11K 21K 21J
11J 01M
3D
1D 9M
01L
8K 8J 8F
01
B
7B
01A
9A
7
A
F12
E8
D8
D7
A8
J10
J9
F10
K9
L9
H4
H5
G4
J3
H3
H1
H2
D4
H7
F2
G1
F1
L2
L1
K1
M7
M6
L8
M8
M5
L7
K7
J7
K6
K4
J1
H10
G11
H12
G12
H11
F9
F5
G5
F4
E5
H9
H8
G10
G9
D6
F6
E7
E6
D12
E12
B12
A12
A11
K3
M4
M1
L4
K5
L3
M2
M3
D5
B3
A5
A6
E4
2A 1A 11M 01K 2K 6J 5J 4J 8G 7G 6G 9E 01D 11E 11D 0
1C
9D 9
B
9C 8B 8C 7
C
2G 3F 2E 3C 6C 2B 5C 5B 4B 2C 5L 11F
0MT
_T
B
LES
_G
ATJ
DN
G_
A_NEG
OL
_FRW
G5_
APD
NG_F
RW
G2
_
A
PD
NG_FR
W
D
NG
_
V
RD
AP_
F
R
W
G5_ANL
D
NG_FRW
G2_ANLDNG_
FR
W
DNG_AN
A_
FRW
D
NG
_O
CV
_
FRW
D
NG
_E
F
A_
F
RW
DNG_LATX_FRW
SS
VF
I
_T
B
S
SV
_T
B
SSVEF_TB
SSVOCV_TB
SS
V
FR
_T
B
S
SV
L
LP
_T
B
OIDU
A
SSV_MF
SS
V
XR
_
MF
O
CV
S
SV
_
MF
SS
V
LLP_MF SSV_MF
1C
S
SV
2CSSV 3
C
SS
V
4C
SS
V
5CSSV 6CSSV
SSVA_CISH
SSVA_UMP
SSVP_RS
1CN 2CN
WRF_RES_EXT
WRF_RFIN_2G
WRF_RFOUT_2G
WRF_A_TSSI_IN
WRF_G_TSSI_IN
RF_SW_CTRL_0
RF_SW_CTRL_1
RF_SW_CTRL_2
RF_SW_CTRL_3
RF_SW_CTRL_4
RF_SW_CTRL_5
RF_SW_CTRL_6
RF_SW_CTRL_7
FM_AOUT1
FM_AOUT2
FM_TX
FM_RXP
FM_RXN
BT_UART_RXD
BT_UART_TXD
BT_UART_RTS_N
BT_UART_CTS_N
BT_I2S_CLK
BT_I2S_DI
BT_I2S_WS
BT_I2S_DO
BT_PCM_CLK
BT_PCM_IN
BT_PCM_OUT
BT_PCM_SYNC
BT_GPIO_0
BT_GPIO_1
BT_GPIO_2
BT_GPIO_3
BT_GPIO_4
BT_GPIO_5
HSIC_AVDD12
VDDIO_RF
WL_VDDIO
BT_VDDIO
VDD_ISLAND
SDIO_DATA_0
SDIO_DATA_1
SDIO_DATA_2
SDIO_DATA_3
SDIO_CLK
SDIO_CMD
HSIC_STROBE
HSIC_DATA
HSIC_RREF
WRF_XTAL_OP
WRF_XTAL_ON
WRF_TCXO_IN
LPO
WRF_GPIO_OUT
WL_GPIO_0
WL_GPIO_1
WL_GPIO_2
WL_GPIO_3
WL_GPIO_4
WL_GPIO_5
WL_GPIO_6
WL_REG_ON
BT_REG_ON
BT_RST_N
EXT_SMPS_REQ
EXT_PWM_REQ
BT_RF
BT_CLK_REQ_IN
BT_CLK_REQ_POL
BT_CLK_REQ_MODE
BT_CLK_REQ_OUT
3P3DDVAP
_
TB
2P1DDVA
N
L_
T
B
2
P1D
DV
OC
V
_T
B
2P
1
DDV
F
I_
T
B
2P1DDVL
L
P_
T
B
1CDDV_TB 2
C
DD
V
_T
B
3CDDV_TB 1ODLNL_TUOV ODLC_TUOV
8
P1
_
NI_
O
DL
OC
V_
D
DV
_F
R
W
2P1_TU
O
_O
D
LOC
V
_F
R
W
ODL_NIV 1P3_TUOV 3
P
3_
T
UOV
2_1TABDDV_RS 2
T
ABD
DV
_R
S
1
XL
V
_R
S
2XLV_RS
G
5_APDDV
_
FR
W
G2_APDDV
_
FR
W
DDV_VRD
A
P_FRW
G5_2P1_ANLDD
V
_F
R
W
G2_
2
P
1_
AN
L
DDV
_
FR
W
2P1D
D
V_
L
AT
X
_FR
W
DDV_OXCT_FRW
2
P
1DDV_A
_
NE
GO
L_
F
RW
2P
1
_E
FA
DD
V
_F
RW
2P1_ANADDV_FRW 1CDDV_LW 2CDDV_LW 3CDDV_LW
4CDDV_LW
2P1DDVFR_MF
2P1DDVFI_MF
5P2DDV_MF OIDUADDV_MF 1_1TABDDV_RS
C510
220p
18p
C536
X500
1ZZCAB37400AA0A
37.4MHz
4
2
3
1
IN1
IN2
GND1
GND2
C531 1.5p
105R
0
C535
18p
C511
10u
L505
3.3n
C515
2.2u
C530 10p
TP511
FB502 120
305BF
C532 1u
TP515
TP508
TP507
TP506
TP505
3V
3
_
DDV
u7.4 715C
10pC537
405BF
u1 425C
NL_DDV
5V2_DDV
ODL_NIV
405Lu2.2
C526
0.1u
C525
0.1u
MF_DDV
C516
220n
5V2_DDV
TB_DDV
0.1u
C518
FRW_DDV
NL_DDV
ODL_NIV
C509
0.1u
225Cp01
C528
0.1u
VREG_MSME_1.8V
RWPV+
FRW_DDV
3
V
3_DDV
EROC_
D
DV
TP509
R506
0TP504
TP501
TP502
TP503
TP500
TP517
025Cu7.4
R50315K
125Cu7.4
NL_DDV
VDD_BT
VDD_FM
VDD_WRF
FB500 120
120FB501
u7
.
4 32
5
C
VDD_3V3
TP518
TP516
EROC_DDV
EROC_DDV
75
FB505
C527
4.7u
115R
022
2
0
5R
IND
915Cp01
C533 1u
0.1u
C529
TP514
TP513
TP512
BT_UART_RTS
BT_UART_CTS
BT_RESET_N
BT_UART_RXD
BT_PCM_SYNC
BT_PCM_CLK
WLAN_SDIO[3]
WLAN_SDIO[1]
WLAN_SDIO[2]
WLAN_SDIO[0]
WLAN_CMD
WLAN_CLK
BT_HOST_WAKEUP
BT_WAKEUP
BT_UART_TXD
SLEEP_CLK
WLAN_RESET_N
FM_L
FM_R
WLAN_HOST_WAKEUP
BT_PCM_OUT
BT_PCM_IN
FM_ANT
TX_WLBG
EXT_LNA_GAIN
SW_BT_TX
SW_WL_TX
SW_WL_BT_RX
RX_BG
TX_BT
NC: SDIO, 1: SPI
A1: WRF_RFIN_5G, A2:WRF_RFOUT_5G
To be obsolete
To be obsolete
L503
2.7n
805C p01
C512
0.1u
L506
2.7n
005C
p8
1
C50710p
L508
8.2n
L507 2.7n
FL500
EAM62250401
LFB212G45CG7D227
3
2
1
IN
DNG
OUT
3V
3_
DDV
C50610p
C514 0.1u
CN500
1
C505
DNI
U500
7
8
9
01 11
21
2
31
1
5
4
6
3
GND2
DDV
NE_ANL
T
U
O
_XR
TX_IN
D
NGP
GND1
XT_C
X
R
_
C
TNA
C_BT
BT
GND3
93
5
C
p7
2
C503
100p
TX_WLBG
NIAG_ANL_TXE
SW_BT_TX
XT_LW_WS
XR_TB_LW_WS
GB_XR
TX_BT