LG LG-E410 - Page 90

4. TROUBLE SHOOTING
- 90 -
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Only for training and service purposes
LGE Internal Use Only
TP4009
FB4000 220
12R4023
R4021 12
220FB4001
1n
C4065
C4042
18n
C4062
18n
C4066 1n
R4019 0
C4037
3.3n
U4001
P22
R19
N21
P20
F18
H18
H16
N19
P18
F16
H14
F14
E21
E19
M16
M14
M6
M8
N17
D8 C5
F10
F8 F6
D10
E11
C7 C9
E9
D6
R23 R21 D18 C19 C17 C15 D16
E15
D14
E13
MPP1 MPP2
MPP3 MPP4 MPP5 MPP6
MPP7 MPP8_XO_THERM 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
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
TP4010
TP4011
TP4012
C4072
1u
2.2uC4041
2.2uC4040
C4063
0.1u
TP4008
LINE_OP
HPH_R
HPH_L
RCV_P
RCV_N
LINE_ON
TRK_LO
GSM_PA_DAC_REF
CHG_VALID
PCB_REVISION
TRK_LO_ADJ
MSM_USIM1_CLK
MSM_USIM1_DATA
MSM_USIM2_CLK
MSM_USIM2_DATA
EAR_L_PMIC
EAR_R_PMIC
HSED_BIAS1
FM_LO_PMIC
FM_RO_PMIC
SPK_RCV_P
SPK_RCV_N
SIM1_CLK
SIM1_IO
SIM1_RST
SIM2_CLK
SIM2_RST
SIM2_IO
Route to MSM-AGND (pin B10)
TP2
TP3
U4001
FB4001
FB4000 (TP2)
U2000
R4023,R4021(TP3)