LG CU920 - Page 178

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7 8 9 13 16
1 2 3 7 8 9
A
B
C
D
E
F
C
D
E
F
SIM/T-FLASH SOCKET
A
B
C
F
C
D
BLUETOOTH
1 2 3 4 5 6
E
D
E
11 12
TOUCH WINDOW
10
4 5
14 15
6
C121
0.01u
C103
1.2p
L102
0
NA
C124
TP101
C119
1u
C120
1u
PGND
24
PIN
1
6
REFBP
SETF
7
8
SETM
19
ENM2
10
F1
F2
9
GND
3
2
IN
4
LDO1
LDO2
5
M1
16
15
M2
14
M3
M4
13
12
M5
M6
11
25
OUT
P1
28
17
P2
U103 MAX8645Y
29
BGND
C1N
22
23
C1P
27
C2N
C2P
26
21
ENF
ENLDO
18
ENM1
20
CLK
3
4
GND
GND1
78
GND2
I_O
6
2
RST
1
VCC
VPP
5
100p
C100
J100
C102
1000p
VCC
5
R100
100K
TC7S04FU
U100
GND
3
24
TP103
100K R106
2.2u
C108
100p
100p
C110
C107
0.1uF
C109
1u
C104
1u
33p
C106
C114
C113
33p C111 0.1u
C11233p
15K
R102
7.5K
R104
TP100
1uC116
5.1K
R105
IO2
3
IO3
4
6
IO4
NC
2
P_GND
7
C1151u
EDTY0009201
U102
5
5V_NC
1
IO1
GND3
15
2
LDO1
3
LDO2 NC
13 8
RX_BB_TX_BB
10
SBCK
SBDT
11 6
SBST
SYNC_DET_TX_EN
5
14
VDD_A
12
VDD_MSM
4
XTAL_IN
RB04
U101
16
ANT
CLK_REF
9
GND1
1
GND2
7
44
27
45
46
47
48
49
50
28
29
30
31
32
33
34
4
5
6
7
8
9
26
35
36
37
38
39
40
41
42
43
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
3
CN101
1
10
11
C123C122
0.1u
B2
C2
A1
AUX
A1
D2
GND
B1
PENIRQ- SCL
D1
SDA
C1
A2
VDD_REF
X+
A3
X-
C3
Y+
B3
Y-
D3
1u
U104 TSC2007IYZGR
A0
C105
1000p
10u
C118
1
2
3
4
5
6
CN102
G1
G2
R1081.2K
10u
C117
R1071.2K
56nHL101
100K
R103
TP102
1000p
C101
CN100
110
2
3
4
56
7
8
9
G1
G2
FEED
NC1 NC2
VREG_BT_2.85V
BT_TX_RX_N
ANT100
VREG_CAM_2.8V
CAM_LDO_EN
UART_TX
UART_RX
VREG_CAM_1.8V
JTAG_TDO
JTAG_PS_HOLD
MSM_RESIN_N
JTAG_RTCK
JTAG_TDI
+VPWR
BT_CLK
TCXO_BT
WLED_PWR
TOUCH_PENIRQ
LCD_BL_CTRL
PM_ON_SW_N
JTAG_TCK
JTAG_TRST_N
TOUCH_SDA
TOUCH_SCL
JTAG_TMS
BT_SBDT
BT_SBST
BT_SBCK
BT_DATA
USIM_P_DATA
VREG_TOUCH_2.8V
TOUCH_PENIRQ TOUCH_SCL
TOUCH_SDA
VREG_TOUCH_2.8V
WLED_4
VREG_USIM_2.85V
USIM_P_CLK
USIM_P_DATA
USIM_P_RST_N
WLED_1
WLED_2
WLED_3
WLED_5
VREG_MSMP_2.8V
LCD_BL_CTRL
CAM_LDO_EN
WLED_PWR
WLED_1
WLED_2
WLED_3
WLED_4
WLED_5
VREG_CAM_2.8V
VREG_CAM_1.8V
VREG_MSMP_2.8V JTAG_TCK
JTAG_TDI
JTAG_PS_HOLD
MSM_RESIN_N
JTAG_RTCK
JTAG_TDO
JTAG_TRST_N
JTAG_TMS
UART_TX
UART_RX
PM_ON_SW_N
+VPWR
BT_SBDT BT_SBST BT_SBCK BT_TX_RX_N BT_DATA
BT_CLK
VREG_MSMP_2.8V
VREG_BT_2.85V
USIM_P_RST_N
USIM_P_DATA USIM_P_CLK
VREG_USIM_2.85V
USIM_P_CLK
USIM_P_RST_N
VREG_USIM_2.85V
VREG_BT_2.85V
TCXO_BT
7. CIRCUIT DIAGRAM
LGE Internal Use Only
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Only for training and service purposes