LG P705 Service Manual page 64

VREG_MSME_1.8V
NFC_WCN_HWI2C_SDA
NFC_WCN_HWI2C_SCL
L800
68n
FM_ANT
C804
L802
82n
47p
+1V2_MSM_A2_WCN
+1V2_WLAN_WCN
VREG_MSME_1.8V
+1V3_MSM_A3_WCN
+1V8_WLAN_TCXO
+3V_WLAN_WCN
LGE Internal Use Only
6
GND1
33
BT_RST_N SYS_RST_N
28
I2C_SDA
29
I2C_SCL
L801 43
82n
FM_HRX_IN
49
FM_PRXTX_IO
46
FM_I2S_SD
BT_PCM_OUT
56
FM_I2S_WS
BT_PCM_SYNC
51
BT_PCM_CLK FM_I2S_SCK
58
BT_PCM_OUT BT_PCM_IN
42
BT_PCM_CLK BT_PCM_CLK
53
SLEEP_CLK SLEEP_CLK
36
BT_UART_TX BT_UART_RXD
47
BT_UART_RX BT_UART_TXD
40
BT_UART_RTS
BT_UART_CTS
57
BT_UART_CTS BT_UART_RTS
R806
1M
C834
2.2u
C844
10n
TP1
C849
2.2u
BT/FM Module : WCN2243
C803
22p
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
U800 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
C813
C824
10n
C827
C828
4.7u
0.1u
C829
0.1u
TP3
C833
C835
100p
C836
220n
100n
FB800
C848
C845
C847
C846
22u 10n 100p 100p
FB801
60
C850 C851
0.1u 100p
- 64 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
C805 C806
C807 C808
C810
C812
C811
4.7u 4.7u 1u
C809 10n
C814 C815
10n 0.1u
10n
GND_A21
GND_D1
GND_D2
GND_D3
31
VDD_CORE1 GND_D4
46
VDD_CORE2 GND_A1
48
VDD_CORE3 GND_A22
5
VDD_CORE_AON1 GND_D5
36
VDD_CORE_AON2 GND_D6
38
VDD_CORE_AON3 GND_D7
GND_D8
8
VDD_IO
GND_A2
2
VDD_FEM GND_A23
U802
GND_A3
4
VDD_SDIO
GND_A4
85
VDD_RFA10 GND_D9
77
VDD_RFA11 GND_A5
GND_A6
78
VDD_PA GND_A7
GND_A8
51
VDD_TCXO GND_A9
35
VDD_RFA1 GND_A10
74
VDD_RFA2 GND_A11
66
VDD_RFA3 GND_A12
81
VDD_RFA4
67
VDD_RFA5 GND_A13
54
VDD_RFA6 GND_A14
76
VDD_RFA7 GND_A15
62
VDD_RFA8
49
VDD_RFA9 GND_A16
GND_A17
GND_A18
GND_A19
GND_A20
close to pin78
Only for training and service purposes
VREG_MSME_1.8V
TP2
+3V_WLAN_WCN
TP1
79
3
7
1
10
30
58
24
32
37
47
70
64
86
52
34
60
72
73
61
44
65
83
50
59
68
69
57
55
42
40
43