LG D686 - Page 120

3. TROUBLE SHOOTING
- 120 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
26MHz
X801 7L26002009
GND
2
VCC
4
OUTPUT
3
GND_NC
1
1nC852
C855
1u
1
2
OSC1_GPS
+2V8_TCXO_LDO
1uC849
C851
100n
1
2
C835
100n
100n
C828
C827
100n
10p
C826
100n
C834
C846
100n
10pC845
10p
C847
10p
C848
TP813 TP812 TP811
U801
B12
A11
C11
A12
C12
C13
G7
G8
G9
F9
F4
A13
B13
E12
H10
E13
D13
B11
E8
A8
B8
B5
B9
A9
B7
B6
K9
D9 M9 J3 H2 J2 L9 J9 E1 C2 A1 G1 C4 E4 E6 E7 K7 F5 E3 C5 E5 D4 E2 G3 B1 B3 C3 H4 K8 M8 N8 H5 M7 J8 G4 L8 G5 A4 A5 A3 C1 D1
RX_5G_IN
TX5G_OUT
TX2G_OUT
RX2G_IP RX2G_IN
EEDI EESK EECS CLK_DC SD1_DAT1
SD1_DAT2 SD1_DAT3 SD1_CMD
SD1_CLK SD1_DAT0 AVSS33_BA AVSS33_PA_1
AVSS33_PA_2
AVSS13_WIFISX_1
AVSS33_WIFISX_2 AVSS13_BB
AVSS13_PLL_1 AVSS13_PLL_2 AVSS13_TRX2G5G GND1 GND2
AVDD13_PLL_1 AVDD13_PLL_2 AVDD13_BB AVDD13_TRX5G
AVDD13_WIFISX_1 AVDD33_PA AVDD33_BA AVDD33_WIFISX_2 DVDDIO_SDIO1
ANTSEL_4 ANTSEL_3 ANTSEL_2
ANTSEL_1 ANTSEL_0
DVDDIO_SD2
AVDD33_BTTX
AVDD13_BTRX
AVDD13_BTAFE
AVSS13_BTAFE_1
AVSS13_BTSXAFE
AVSS13_BTSX_1
AVSS13_BTSX_2
GND3
NC1
OSC1_GPS
SYNC
ECLOCK
DUTY_LOSS
RF_INN_GPS
RF_INP_GPS
GPIO1_25
GPIO1_24
GPIO1_26
GPIO1_27
GPIO1_28
AVDD28_OSC
AVDD13_SXIF_GPS
AVDD13_LNA_GPS
AVSS28_OSC
AVSS13_RX_GPS
AVSS13_SXIF_GPS
.
+1V8_VIO_MTK
+2V8_VIO_MTK
GPS_SYNC
SD1_DAT1 SD1_DAT2 SD1_DAT3
WIFI_TX
ANTSEL_1 ANTSEL_0
SD1_CLK
SD1_CMD
SD1_DAT0
WIFI_AVDD13
OSC1_GPS
WIFI_RX_BT_TRX
BT_AVDD33
GPS_AVDD13
WF_PA_VCC
BT_AVDD13
+2V8_TCXO_LDO
RF_INP_GPS
Close to MT6620
Close to MT6620
Close to Pin A9
TP1