LG LG-P715 - Page 82

4. TROUBLE SHOOTING
- 82 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CN9001
FEED
L9011
1.8n
L9012
DNI
C9057
0.5p
C9034
22p
DNI
C9031
C9055
100p
C9025
100p
C9032
DNI
DNI
C9027
2.4n
L9013
C9033
DNI
FL9003
2400MHz,2500MHz
13
11
7
12
2
4
10
9
8
6
5
1
3
WLAN_RX
WLAN_TX
BT_TRX
GND1
GND2
GND3
GND4
TR_SW0
TR_SW1
TR_SW2
ANT
CPL
PGND
C9029
DNI
3.9n
L9010
C9028
DNI
C9026
DNI
BT_RF_QCT
WLAN_SW_[0]
WLAN_SW_[1]
WLAN_SW_[2]
WLAN_PWR_DET_IN
WLAN_RF_RX
WLAN_RF_TX
for contacting to GND
BT/WI-FI FRONT-END
Module part
SW0 SW1 SW2
WiFi Rx-ANT HIGH LOW LOW
WiFi Tx-ANT LOW HIGH LOW
BT-ANT LOW LOW HIGH
ANTENNA SWITCH MODULE LOGIC
2.2K R8008
2.2K R8007
VREG_MSME_1.8V
U9001
3 34 35 30 17 20 52 26 27 25 45
5
15
12
13
19
32
21
55
50
37
54
10
4
14
24
31
57
40
47
36
53
42
58
51
56
46
49
43
29
28
33
6
1
11
7 2
18
9 8
22 16 44 39 38 48 23 41
GND2 GND3 AGND_FM1
AGND_FM2 AGND_FM3
AGND_FM4
GND4 AGND_FM
AGND_BT1
AGND_BT2
AGND_BT3
AGND_BT4
AGND_BT5 AGND_BT6 AGND_BT7
GND1
SYS_RST_N
I2C_SDA
I2C_SCL
FM_HRX_IN
FM_PRXTX_IO
FM_I2S_SD
FM_I2S_WS
FM_I2S_SCK
BT_PCM_IN
BT_PCM_CLK
SLEEP_CLK
BT_UART_RXD
BT_UART_TXD
BT_UART_CTS
BT_UART_RTS
VDD_IO
VDD_XO_BIAS
VREG_DIG
VREG_ANA
VDD_LDO_IN
VDD_FM_1P3_1
VDD_FM_1P3_2
VDD_FM_1P3_3
VDD_FM_1P3_4
VDD_DIG_1P3
VDD_FM_DAC
VDD_BT_PA
VDD_BT_1P3_1
VDD_BT_1P3_2
VDD_BT_1P3_3
VDD_BT_1P3_4
FM_RDS_INT
SYS_CLK
FM_LO_L
FM_LO_R
BT_PCM_OUT
BT_PCM_SYNC
BT_CLK_REQ
BT_ACTIVE
BT_STATUS
TX_CONFIRM
BT_RFIO
0
R9004
C9020
0.1u
22p
C9001
10n
C9021
L9004
82n
1MR9006
C9011
1u
C9012
10n
C9013
10p
10n
C9014
10p
C9015
C9018
10n
10n
C9019
+3V_WLAN_WCN
82nL9003
1M
R9001
47p
C9005
VREG_MSME_1.8V
C9016
4.7u
C9017
4.7u
68n
L9002
SLEEP_CLK
BT_PCM_OUT
BT_PCM_OUT
BT_PCM_IN
BT_UART_RX
BT_UART_TX
FM_RDS_INT FM_L FM_R
BT_PCM_CLK
BT_PCM_CLK
BT_PCM_SYNC
BT_PCM_SYNC
BT_UART_CTS
BT_UART_RTS
BT_FM_CLK_WCN
FM_ANT
NFC_WCN_HWI2C_SDA
NFC_WCN_HWI2C_SCL
BT_FM_CLK_REQ_WCN
BT_RST_N
BT_RF_QCT
BT_ACTIVE BT_PRIORITY WLAN_ACTIVE
BT/FM Module : WCN2243
close to pin13
close to pin5
close to pin54 close to pin37