3. TROUBLE SHOOTING
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Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
BT&WIFI control signals are generate by BCM43341 (U9002)
C9084
1n
F11
J3
H1
G1
D2
WRF_GPIO_OUT
WRF_XTAL_CAB_XOP
WRF_XTAL_CAB_XON
WRF_TCXO_CKIN2V
LPO_IN
220
R9001
X9001 Q22FA1280013000
37.4MHz
2
1
3
4
15p
C9001
TP9032
22p
C9002
GND
SLEEP_CLK
XO_OUT
XO_IN
5G_A_TSSI
+VPWR_W
L
C9018
4.7u
+1.8V_L11_MSM_P3
4.7u
C9019
VIN_LDO
B3
P3
F4
J4
H9
A1
P6
P2
N2
SR_VDDBATA5V
SR_VDDBATP5V
PMU_NFC_VBAT
WRF_PAPMU_VBAT_VDD5P0
VDDIO_H9
VDDIO_J4
WRF_BUCK_VDD1P5
LDO_VDD1P5
WRF_CBUCK_PAVDD1P5
C9023
220n
220n
C9083
+VPWR_WL
C9005
15n
10p
C9087
FL9001
5
4
6
3
7
2
8
1
P1
NC2
GND1
GND3
P2
P3
NC1
GND2
100p
C9003
C9006
DNI
C9014
10p
L9004
1.5n
FL9002
EAM62250401
LFB212G45CG7D227
3
2
1
IN
GN
D
OUT
CN9002
MBV62521801
FEED
L9005
DNI
MBV62521801
CN9001
FEED
L9003
1.2n
10p
C9015
C9016
DNI
5G_WLAN_RF
TP1
TP6
TP5
TP4
TP3
TP2