LG LG-E410 - Page 67

4. TROUBLE SHOOTING
- 67 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
C9048
1n
100p
C9031
FB9000 240
C9032
0.1u
0.1u
C9042
C9043
100p
U9001
77
85
64
58
30
43
40
42
55
57
69
68
59
50
83
65
44
61
73
72
60
34
52
86
47
37
32
24
70
10
1
7
3
79
49
62
76
54
67
81
66
51
78
74
35
4
2
8
38
36
5
48
46
31
VDD_CORE1
VDD_CORE2
VDD_CORE3
VDD_CORE_AON1
VDD_CORE_AON2
VDD_CORE_AON3
VDD_IO
VDD_FEM
VDD_SDIO
VDD_RFA1
VDD_RFA2
VDD_PA
VDD_TCXO
VDD_RFA3
VDD_RFA4
VDD_RFA5
VDD_RFA6
VDD_RFA7
VDD_RFA8
VDD_RFA9
GND_A21
GND_D1
GND_D2
GND_D3
GND_D4
GND_A2
GND_D5
GND_D6
GND_D7
GND_D8
GND_A3
GND_A4
GND_D9
GND_A5
GND_A6
GND_A7
GND_A8
GND_A9
GND_A10
GND_A11
GND_A12
GND_A13
GND_A14
GND_A15
GND_A16
GND_A17
GND_A18
GND_A19
GND_A20
GND_A1
GND_A22
GND_A23
VDD_RFA10
VDD_RFA11
FB9001
60
R9009
0
0.1u
C9027
22u
C9037
10n
C9026
C9041
2.2u
0
R9007
+1V2_WLAN_WCN
+1V8_WLAN_TCXO
10n
C9036
10n
C9038
C9028
4.7u
C9033
2.2u
+3V_WLAN_WCN
VREG_MSME_1.8V
C9040
100p
100p
C9039
220n
C9034
+1V3_MSM_A3_WCN
C9029
0.1u
+1V2_MSM_A2_WCN
colse to pin77
colse to pin85
colse to pin78
WiFi : WCN 1314
Test point Description
Test point Net name Description
TP1 +3V_WLAN_WCN Power for BT/WiFi BB core and WiFi power Amp. (V Batt)
TP2 VREG_MSME_1.8V Power for BT power Amp. (1.8V)
TP3 VREG_MSME_1.8V Power for host interface (1.8V)