LG -E615 Service Manual page 60

BT/WI-FI FRONT-END
C9002
100p
WLAN_SW_[0]
WLAN_SW_[1]
WLAN_SW_[2]
BT_WLAN_RF
WLAN_PWR_DET_IN
VREG_MSME_1.8V
BT_RST_N
CHANGE 1030
NFC_WCN_HWI2C_SDA
NFC_WCN_HWI2C_SCL
L9002
L9003
CHANGE 0126
L9005
82n
C9010
47p
BT_PCM_OUT
BT_PCM_CLK
SLEEP_CLK
BT_UART_TX
BT_UART_RX
BT_UART_RTS
BT_UART_CTS
TP9003
LGE Internal Use Only
ANT9001
C9003
1.8p
3
WLAN_RX
WLAN_TX
4
TR_SW0
2
TR_SW1
12
TR_SW2
7
ANT
11
CPL
C9011 C9012 C9013
10p 10p 10p
2400MHz,2500MHz
ANTENNA SWITCH MODULE LOGIC
WiFi RX-ANT
WiFi TX-ANT
BT-ANT
C9005
R9001
22p
R9002 R9003
6
GND1
33
SYS_RST_N
28
I2C_SDA
29
I2C_SCL
43
82n
FM_HRX_IN
49
FM_PRXTX_IO
46 U9001
FM_I2S_SD
56
FM_I2S_WS WCN2243
51
FM_I2S_SCK
EAN61966101
58
BT_PCM_IN
42
BT_PCM_CLK
53
SLEEP_CLK
36
BT_UART_RXD
47
BT_UART_TXD
40
BT_UART_CTS
57
BT_UART_RTS
R9006
TP9004 TP9005 TP9006
1M
BT_WLAN_RF
C9004
100n
L9001
3.9n
C9007
0603
DNI
FL9001
1
5
BT_TRX
C9008
6
GND1
DNI
8
GND2
9
GND3
10
GND4
13
PGND
C9014 22p
C9015
DNI DNI
SW0 SW1 SW2
HIGH LOW LOW
LOW HIGH LOW
LOW LOW HIGH
BT/FM Module : WCN2243
31
VDD_IO
24
VDD_XO_BIAS
14
VREG_DIG
4
VREG_ANA
10
VDD_LDO_IN
54
VDD_FM_1P3_1
37
VDD_FM_1P3_2
50
VDD_FM_1P3_3
55
VDD_FM_1P3_4
21
VDD_DIG_1P3
32
VDD_FM_DAC
19
VDD_BT_PA
13
VDD_BT_1P3_1
12
VDD_BT_1P3_2
15
VDD_BT_1P3_3
5
VDD_BT_1P3_4
C9017 C9018 C9019 C9020
10n 10p 10n 10p C9021
- 60 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
WLAN_RF_RX
0603
C9006
DNI
FM_ANT
WLAN_RF_TX
C9009
DNI
BT_RF_QCT
C9016
TP2
R9005
0
TP1
C9023 C9024 C9025 C9026 C9027
0.1u DNI 10p
C9022 10n 10n
Only for training and service purposes
VREG_MSME_1.8V
+3V_WLAN_WCN