LG -E450 Service Manual page 170

+1V8_VIO_MTK
BT_AVDD33
BT_AVDD13
C624
10p
OSC1_GPS
GPS_SYNC
RF_INP_GPS
+2V8_TCXO_LDO
GPS_AVDD13
OSC1_GPS
LGE Internal Use Only
SD2_CMD
G10
SD2_CLK
F7
SD2_DAT0
K9
DVDDIO_SD2
B6
AVDD33_BTTX
B7
AVDD13_BTRX
A9
AVDD13_BTAFE
Close to Pin A9 B9
AVSS13_BTAFE_1
B5
C626
C625
AVSS13_BTSXAFE
B8
AVSS13_BTSX_1
100n 100n
A8
AVSS13_BTSX_2
E8
GND3
B11
NC1
D13
OSC1_GPS
E13
SYNC
H10
ECLOCK
E12
DUTY_LOSS
B13
RF_INN_GPS
A13
RF_INP_GPS
F4
GPIO1_25
F9
GPIO1_24
G9
GPIO1_26
G8
GPIO1_27
G7
GPIO1_28
C13
AVDD28_OSC
C12
AVDD13_SXIF_GPS
A12
AVDD13_LNA_GPS
C11
AVSS28_OSC
A11
C634 C635
AVSS13_RX_GPS
B12
AVSS13_SXIF_GPS
100n
100n
.
X600
C655 1n
3
OUTPUT
2
GND
TP1
1. Fillcut TCXO area including Lay 8th,7th,6th
2. GND clearance over 1.5mm surrounding TCXO
+2V8_TCXO_LDO
7L26002009
4
VCC
1
GND_NC
C654
26MHz
- 170 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
U600
1u
Only for training and service purposes
C646
100n