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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
DNI
C7203
C7202
2.2u
C7205
6.3V
1u
C7204
1u
10V
LDO3V0
+VPWR
TLV70730PDQNR U4134
5
3
2
4
1
VOUT
VDD
GND
CE
PGND
+1V8_VREG_L8
U7200
S7020
EPAD
J11
J2
J1
H12
H11
H2
H1
G12
B1
2
D2
D12
D11
F1
K11
L5
L4
K12
E1
2
M11
M1
L12
M9
M8
L10
L11
L9
M6
L8
M5
L3
L2
L1
G11
G2
E11
L6
L7
F11
E1
F2
E2
K2
C11
C2
B1
A1
1
A1
B2
A2
B1
0
B1
1
A1
0
A7
A8
B4
A1
2
B3
B5
B6
B7
A4
A5
M12
M2
M3
B8
C1
B9
T9
A1
1
T1
0
R5
R4
R19
T1
5
T1
7
T1
3
T1
4
T1
6
T1
9
T4
T1
8
T1
1
T1
2
T8
T5
T7
DVDDL
DVDDH
DGND
T6
VBUS
A1
2
T2
A0
SD
A
A7
A8
LDO_EN
R11
R9
AVDD
A5
R27
R0
R1
R3
R8
R13
R10
R15
R18
R16
R12
R14
R20
R2
R17
AGND
R22
R6
R7
R21
A6
T1 T0
SC
L
T3
R26
A3
A4
R24
R25
A2 A1
R23
GND
R7201
1M
VA7205
CN7200
ENBY0036201
23
22
24
21
25
20
26
19
27
18
28
17
29
16
30
15
31
14
32
13
33
12
34
11
35
10
36
9
37
8
38
7
39
6
40
5
41
4
42
3
43
2
44
1
10K
R7203
+1V8_VREG_L14
10K
R7202
0.1u
C7200 C7201
0.1u
+1V8_VREG_L14
GND
.
TOUCH_I2C_SCL TOUCH_I2C_SDA
TOUCH_LDO_EN
TOUCH_RESET_N
LDO3V0
TOUCH_MAKER_ID
TOUCH_ATTN_N
TX
4
TX4
TX10
TX10
TX11
TX11
RX15
RX15
TX14
TX14
TX9
TX
9
TX7
TX
7
TX5
TX
5
TX3
TX
3
TX2
TX
2
TX
6
TX6
RX16
RX16
RX17
RX17
RX18
RX18
TX0
TX
0
TX
8
TX8
RX22
RX22
RX23
RX23
RX21
RX21
RX20
RX20
RX19
RX19
TX1
TX
1
TX12
TX12
TX13
TX13
RX0
RX0
RX1
RX1
RX2
RX2
RX3
RX3
RX4
RX4
RX5
RX5
RX6
RX6
RX7
RX7
RX8
RX8
RX9
RX9
RX10
RX10
RX11
RX11
RX12
RX12
RX13
RX13
RX14
RX14
100pF,Clamping : 15.5V
TSP : 1st (OPEN), 2nd(GND)
( B to B type )
TOUCH COB
< 7-2-1-1_Touch_Connector >
Touch Connector