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WiFi/BT/GPS
LNA for the GPS
GND
External LNA should be located near Antenna
FL801
3
L804
4
G3
1
C818
33p
C817
100p
OUT
IN
G2
G1
5
2
1575.42 MHz
1
2
2
C819
L805
L807
L806
6.8n
ZD801
100p
DNI
2
DNI
1
1
1
2
.
SPDT for BT&Wi-Fi
FL803
C840
1.5n
C841
C871
100p
1
OUT
IN
1
2
3
1
2
2
C872
1
C843
L812
DNI
1
DNI
DNI
1
2
NFC
Closed to MICROREAD
2
2
2
C856
C857
R807
C858
1
R806
2
100n
100p
150K
1
1
1u
1
R808
+3V0_VSIM_MTK
1
2
.
43K
C860
+3V0_VSIM_NFC
R810
1
2
0
2
C861
1
470n
1
24
NFC_SWP
SWP
VDDE
2
23
POUT_AUX
ANT2
3
22
RST
GNDE
4
21
SIGOUT/SIGCLK/CLK
U803
ANT1
5
20
SIGIN/SIGIO/IO
VBAT
6
19
GNDD1
GNDD2
R813
0
7
18
NFCCLK
1
2
OSC1/32K
RFU2
8
17
OSC_OUT
RX/SCLK/SCL
NFC_FET_0
NFC_IRQ
+1V8_VIO_MTK
R814
R815
47K
47K
C870
100n
LGE Internal Use Only
+2V8_TCXO_LDO
L802
3n
L803
12
1
1
2
2
C815
C816
5.6n
18p
0.1u
C821
4.7n
GND
VDD
R803
3
5
1
1
2
S_D
FIL_OUT
RF_INP_GPS
2
4
2
1K
U802
L808
DNI
GPS_LNA_EN
C825
6.8p
Near To LNA
Close to Pin A5
C833
100p
WIFI_RX_BT_TRX
L810
DNI
C838
FL802
8.2p
ANTSEL_0
VCTL2
4
1n
IN
GND
2
5
2
2
VCTL1
ANTSEL_1
C873
6
DNI
C844
1
8.2p
Close to Pin A3
C850
100p
WIFI_TX
C852
1n
2
2
OSC1_GPS
C853
C854
DNI
DNI
1
1
1. Fillcut TCXO area including Lay 8th,7th,6th
2. GND clearance over 1.5mm surrounding TCXO
3. GND clearance over 2mm direction to MT6620 side
4. Spacing between TCXO and MT6620 over 2mms as possible.
VBATT for NFC line width = 0.15mm
330p
TP814
1
R809
2
1
10p
1
C859
2.2u
2
2
2
2
C862
C863
VA801
100p
1u
1
1
1
L813
220n
ANT805 MBV62561601
C864
68p
1
1
2
FEED
2
2
2
C865
R811
R812
C866
C867
1
VBATT
560p
2
0
1
200p
12p
DNI
1
1
2
2
ANT806 MBV62561601
C868
C869
1
FEED
100p
2.2u
EMI Filter
1
1
Closed to MICROREAD
I2C_SENSOR_SCL
I2C_SENSOR_SDA
R801
1
2
1M
1. GND_SMPS, which is DC-DC power ground should be directly connected
to battery ground, instead of sharing ground with main GND
2. L2(AVDD55_SMPS) & K2(GND_SMPS) Line shoud be more than 0.2 width
F12
BT_PRIORITY
E11
BT_ACT
A6
BTTRX_IN
A7
BTTRX_IP
D11
PCM1CLK
TP803
PCM1CLK
F11
PCM1OUT
TP804
PCMOUT
G12
PCM1IN
TP806
PCM1IN
H9
PCM1SYNC
TP807
PCM1_SYNC
G11
TP808
SD2_DAT1
UART1_UTXD3
F6
SD2_DAT2
J10
UART1_URXD3
TP809
SD2_DAT3
F10
SD2_CMD
G10
SD2_CLK
F7
SD2_DAT0
K9
+1V8_VIO_MTK
DVDDIO_SD2
B6
BT_AVDD33
AVDD33_BTTX
B7
BT_AVDD13
AVDD13_BTRX
A9
AVDD13_BTAFE
Close to Pin A9
B9
AVSS13_BTAFE_1
U801
B5
C826
C827
C828
AVSS13_BTSXAFE
B8
10p
AVSS13_BTSX_1
100n
100n
A8
AVSS13_BTSX_2
E8
GND3
B11
NC1
D13
OSC1_GPS
OSC1_GPS
E13
GPS_SYNC
SYNC
H10
ECLOCK
E12
DUTY_LOSS
B13
RF_INN_GPS
A13
RF_INP_GPS
RF_INP_GPS
F4
GPIO1_25
F9
GPIO1_24
G9
GPIO1_26
G8
GPIO1_27
G7
GPIO1_28
C13
+2V8_TCXO_LDO
AVDD28_OSC
C12
GPS_AVDD13
AVDD13_SXIF_GPS
A12
AVDD13_LNA_GPS
C11
AVSS28_OSC
A11
C834
C835
AVSS13_RX_GPS
B12
100n
100n
AVSS13_SXIF_GPS
.
+2V8_TCXO_LDO
X801
7L26002009
3
4
OUTPUT
VCC
2
1
2
GND
GND_NC
C855
26MHz
1u
1
- 159 -
M5
EXT_INT_N
H1
TP801
WIFI_INT_B
WIFI_INT_B
D10
TP802
BGF_INT_B
BGF_INT_B
E9
ALL_INT_B
K11
OSC_EN
K12
SYSRST_B
TP805
SYSRST_B_6620
J5
FB801
VDDK_1
120
CLDO
F8
VDDK_2
J4
DVDDIO18
+1V8_VIO_MTK
E10
DVDDIO28
+2V8_VIO_MTK
K10
PAD_32K_OUT
C822
D12
C823
1u
FSOURCE
1u
M3
100n
C824
XTEST
H6
GPIO1_10
J6
GPIO1_11
J7
GPIO1_9
H3
GPIO1_13
L7
GPIO1_12
L5
TP810
GPIO1_14
G13
1
RTCCLK_O
F13
RTCCLK
RTCCLK_GPS
H13
VRTC
+2V8_VIO_MTK
J13
AVSSRTC
L11
FM_AUIN_R
Close to MT6577
L10
FM_AUIN_L
N9
C829
1u
Keep ther FM_RX_IN_N and FM_ANT in
FM_AUOUT_R
FM_AUOUT_R
N10
FM_AUOUT_L
C830
1u
differential trace to connect to audio jack
FM_AUOUT_L
N13
FM_TX_OUT
M13
C831
100p
FM_RX_IN_N
FM_RX_IN_N
L809
27n
L13
FM_RX_IN_P
FM_ANT
J12
I2S_DATA_IN
I2S_DATA_IN
J11
2
I2S_DATA_OUT
H8
C832
I2C_SDA
D8
I2C_SCL
1
10p
H12
I2S_CLK
I2S_CLK
H11
I2S_WS
I2S_WS
M10
NC2
N11
FM_VDD28
FB802
120
FM_AVDD28
M11
FM_VDD13
FB803
120
FM_AVDD13
N12
FM_VSS2
L12
C836
C837
FM_VSS1
0.1u
0.1u
C839
1u
3. Make star connection for AVDD13 (Both E6,E7 and E4,C4,G1)
2
C851
100n
1
Copyright © 2013 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
Only for training and service purposes
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Table of Contents
Troubleshooting
