
TOUCH SCREEN DRIVER IC
EVLC14S02050
VA103
C103
0.1u
A3
X+
C3
X-
B3
Y+
D3
Y-
C102
1u
B2
A0
A1
C2
A1
AUX
GND
D2
PENIRQ-
B1
D1
SCL
C1
SDA
VDD_REF
A2
C104
TSC2007IYZGR
U100
0.1u
VREG_LDO_TOUCH_2.8V
VA105
EVLC14S02050
EVLC14S02050
VA106
VA104
EVLC14S02050
X+
Y+
X-
Y-
TOUCH_PENIRQ_N
TOUCH_I2C_SCL
TOUCH_I2C_SDA
- 103 -
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R302( TOUCH_I2C_SCA)
R301( TOUCH_I2C_SDA)
C102( VREG_LDO_TOUCH_2. 8V)
C104( TOUCH_PENIRO_N)
C527
470n
6
BGND
2
GND
SEL
5
STBY
1
VIN
3
VOUT
4
BH28PB1WHFV
U508
C526
470n
VREG_LDO_TOUCH_2.8V
+VPWR
TOUCH_LDO_EN
Rev.1.0
MAIN PCB TO LCD FPCB
VREG_CAM_2.8V
VREG_LDO_TOUCH_2.8V
D301
PRSB6.8C
VREG_MSMP_2.7V
G2
G3
G4
54
55
56
57
58
59
6
60
61
62
63
64
7
8
9
G1
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
CN301
1
PRSB6.8C
D302
R306
51
R301
2.2K
EVLC18S02015
VA305
VREG_CAM_1.8V
R302
2.2K
20p
TOUCH_PENIRQ_N
C311
CAM_DATA(2)
MLED2
MOTOR-
MOTOR+
MLED1
MLED6
MLED5
MLED4
VGA_CAM_PWDN
LCD_IF_MODE
LCD_DATA(4)
LCD_DATA(5)
LCD_DATA(6)
LCD_DATA(7)
LCD_DATA(8)
LCD_DATA(9)
LCD_DATA(10)
LCD_DATA(11)
LCD_DATA(12)
LCD_DATA(13)
LCD_VSYNC_OUT
EBI2_WE_N
CAM_DATA(6)
CAM_DATA(7)
CAM_MCLK
CAM_DATA(5)
CAM_DATA(3)
CAM_PCLK
CAM_DATA(0)
CAM_DATA(1)
TOUCH_I2C_SDA
SPK_RCV-
WLED_PWR
CAM_DATA(4)
MLED3
VGA_CAM_RESET_N
CAM_HSYNC
I2C_SDA
I2C_SCL
CAM_VSYNC
EBI2_OE_N
LCD_RESET_N
LCD_DATA(0)
LCD_DATA(1)
LCD_CS_N
EBI2_ADDR(11)
LCD_DATA(2)
LCD_DATA(3)
LCD_MAKER_ID
TOUCH_I2C_SCL
LCD_DATA(14)
LCD_DATA(15)
[Fig. 4.12] Schematic of TOUCH part
R301( TOUCH_I2C_SDA) &
R302( TOUCH_I2C_SCA)
C102(V REG_LDO_TOUCH_2.8V)
C104(TOUCH_PENIRO_N)
Z3X-BOX.COM
Summary of Contents for KF700Q
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