LG CU920 Manual page 133

ANT900
WFL-R-SMT10
G1
L910
G2
5.6nH
G3 ANT
C908
L902
1.2p
22nH
A2[3]
EBI2_DATA(0:15) A2[4]
A2[2]
A2[1]
EBI2_DATA(15)
EBI2_DATA(13)
EBI2_DATA(14)
EBI2_DATA(12)
EBI2_DATA(9)
EBI2_DATA(10)
EBI2_DATA(8)
EBI2_OE_N
EBI2_DATA(11)
EBI2_DATA(7)
EBI2_DATA(5)
EBI2_DATA(3)
EBI2_DATA(6)
EBI2_DATA(4)
EBI2_WE_N
EBI2_DATA(0)
EBI2_DATA(2)
EBI2_DATA(1)
RESOUT_EBI2_N
only CU920
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R907
VREG_MFLO_2.6V
0 C900 C901 C902
0.1u 100p
10p
R901
5.6K
L900
R905
22nH
FL900 B9036 0
IN OUT
GND1 GND2
C934
NA
R908
VREG_MFLO_2.6V
0
Media FLO RBR1000 Circuit diagram
87
NC4
88
A3
89
A4
90
A2
91
A1
92
D15
93
D13
94
D14
95
D12
96
D9
97
D10
98
D8
99
VDD_E1
100
OE_N U901
101
VDD_C6 MBD1000
102
D11
103
D7
104
D5
105
D3
106
D6
107
D4
108
WE_N
109
D0
110
D2
111
VDD_E2
112
D1
113
VDD_C7
114
RESERVED1
115
RESERVED2
116
RESERVED3
117
GND_SLUG
FLO_INT0
FLO_INT1
FLO_SSBI
RF_ON
MBD_RX_IP
MBD_RX_IM
MBD_RX_QP
MBD_RX_QM
Media FLO MBD1000 Circuit diagram
4. TROUBLE SHOOTING
R900
12K
1 24
SW_CTL2 TCXO_ON
2 23
LNA2_IN RF_ON
3 22
BIAS_R1 SSBI
4 21
VDDA1 U900 VDDM2
5 20
GND RBR1000 VDDM1
6 19
VDDA2 TCXO
7 18
LNA1_IN VDDA7
8 17
SW_CTL1 CP_OUT
C911
10p
C914
C913 C915
100p
0.1u
10p C912
100p
C916
4.7u
VREG_MFLO_2.6V
R904
0
58
DNC19
57
VDD_A0
56
DNC20
55
TCXO_MSM
TCXO
54
DNC21
53
GND1
52
GND2
51
DNC22
50
VDD_C3
49
DNC23
48
DNC24
47
SLEEP_CLK SLEEP_CLK
46
VDD_P3
45
DNC25
44
DNC26
43
DNC27
42
DNC28
41
DNC29
40
DNC30
39
DNC31
38
DNC32
37
DNC33
36
DNC34
35
DNC35
34
DNC36
33
VDD_P2
32
DNC37
31
VDD_C2
30
DNC38
29
DNC39
C925 C926 C927
0.1u 0.1u 0.1u
- 135 -
FLO_INT1
RF_ON
FLO_SSBI
VREG_MSMP_2.8V
R902
10
RBR1000_TCXO
C906
100p
C909
2.7n
C910
270p
R903
10K
VREG_MSMP_2.8V
C917 C918 C919 C920
0.1u 0.1u 0.1u 0.1u
VREG_MSMC_1.25V
C921 C922 C923 C924
0.1u 0.1u 0.1u 0.1u
VREG_MSMA_2.6V
LGE Internal Use Only