Table of Contents
Advertisement
VREG_MSME_1.8V
I2C_COMMON_SDA_WCN
I2C_COMMON_SCL_WCN
L901
FM_ANT
68n
BT_PCM_OUT
BT_PCM_IN
C910
L904
82n
47p
BT_UART_TX
BT_UART_RX
BT_UART_RTS
BT_UART_CTS
WLAN_RST_N
WLAN_CLK_WCN
WLAN_RF_RX
WLAN_PWR_DET_IN
WLAN_CLK_REQ_WCN
WLAN_SDIO[3]
WLAN_SDIO[2]
WLAN_SDIO[1]
WLAN_SDIO[0]
LGE Internal Use Only
C904
22p
R901
R902
2.2K
2.2K
6
GND1
33
BT_RST_N
SYS_RST_N
28
I2C_SDA
29
I2C_SCL
L902
43
82n
FM_HRX_IN
49
FM_PRXTX_IO
R903
46
FM_I2S_SD
56
DNI
BT_PCM_SYNC
FM_I2S_WS
WCN2243
51
FM_I2S_SCK
BT_PCM_CLK
EAN61966101
58
BT_PCM_OUT
BT_PCM_IN
TP900
TP901
42
BT_PCM_CLK
BT_PCM_CLK
53
SLEEP_CLK
SLEEP_CLK
36
BT_UART_RXD
47
BT_UART_TXD
40
BT_UART_CTS
57
BT_UART_RTS
R904
TP902 TP903 TP904 TP905
1M
Wi-Fi : WCN1314
SLEEP_CLK
WLAN_ACTIVE
BT_PRIORITY
BT_ACTIVE
C937
WLAN_SW_[0]
WLAN_SW_[1]
WLAN_SW_[2]
WLAN_CMD
WLAN_CLK
BT/FM Module : WCN2243
R900
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
U900
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
C917
C918
C919
C920
18
SLEEP_CLK
DNC2
27
GND_D1
9
DNC1
25
GND_D2
PLL_EXT_LPF
26
GND_D3
19
WLAN_RST_N
39
WLAN_ACTIVE
GND_A
20
BT_PRIORITY
29
BT_ACTIVE
RF_TX_DA
RF_TX_PA
41
1n
TCXO_IN
80
RF_RX
U901
87
PDET_IN
WCN1314-0-87WLNSP-TR-0D
GND_A1
EAN62416201
22
PA_EN
GND_A2
17
WLAN_CLK_REQ
GND_A3
GND_A4
12
TR_SW_EN_0
21
TR_SW_EN_1
11
TR_SW_EN_2
23
SDIO_CMD
14
SDIO_CLK
REXT
15
SDIO_DATA3
6
SDIO_DATA2
16
SDIO_DATA1
13
SDIO_DATA0
- 71 -
Copyright © 01 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
C921
C922
C925
C923
C924
C926
C927
0.1u
28
82
C932
75
470p
84
71
WLAN_RF_TX
45
56
53
33
63
Only for training and service purposes
VREG_MSME_1.8V
+3V_WLAN_WCN
Advertisement
Table of Contents
Troubleshooting
