Key Board - AOC LE32D5520 Service Manual

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9.3 Key Board

715G5290K0B000004I
AC_shield is a large
cooper which encircles the
Cin button and it's path.
Cap Pads
U102
CIN_01
GPIO_07
1
18
CIN1
GPIO7
CIN_02
2
17
CIN2
INT#
CIN_03
3
16
SM_SDA
CIN3
SDA
CIN_04
SM_SCL
4
15
CIN4
SCLK
CIN_07
5
14
GPIO_09
CIN7
GPIO9
CIN_09
6
13
CIN9
DVCC
IT7235BFN
VBIAS
C101
C103
100nF 25V
100nF 25V
AC_SHIELD
R112
100OHM1/16W
C104
100P 50V
Touch Pad Shieldelectrode
V O L +
C H -
C H +
CB104
CB106
CB105
CIN_01
1
CIN_02
1
CIN_03
1
TOUCH PAD 6X12-OVAL
TOUCH PAD 6X12-OVAL
TOUCH PAD 6X12-OVAL
MAINBOARD PULL HIGH 20K TO 3.3V
POWER
GPIO_12
0.016
INPUT
GPIO_11
0.63
MENU
GPIO_10
0.9
CH-
GPIO_13
0.016
CH+
GPIO_07
0.3
V-
GPIO_08
0.63
V+
GPIO_09
0.9
R115
R122
R120
C102
100R 1/16W 1%
100nF 25V
2K 1%
C H -
GPIO_13
4K7 1/16W 1%
C H +
GPIO_02
V O L -
GPIO_03
V O L +
GPIO_04
R119
R118
100R 1/16W 1%
4K7 1/16W 1%
P O W E R
GPIO_07
I N P U T
GPIO_09
M E N U
GPIO_11
P O W E R
M E N U
I N P U T
CB107
CB101
CB102
CIN_04
1
CIN_07
1
CIN_09
1
TOUCH PAD 6X12-OVAL
TOUCH PAD 6X12-OVAL
TOUCH PAD 6X12-OVAL
T P V ( Top
Victory
Electronics
絬 隔 瓜 絪 腹
Key Component
2.0.Touch key
Date
Monday , August 22, 2011
71
3.3V
Key 1
Key 2
R110
0R01 1/16W
OTP
SM_SCL
SM_SDA
C105
R111
0R01 1/16W
100nF 25V
3.3V
R124
NC 2K7 1/16W 5%
Key 1
R121
7.5K
R123
0R01MAX 1/16W +-1%(NC)
3.3V
R116
NC 2K7 1/16W 5%
R125
Key 2
0R01 1/16W
R117
7.5K
GPIO2,3,4,7,9,11, 13 output data format
is like mechanical switch output form,
i.e., No touch: Open, Touch: GND.
V O L -
CB103
CIN_11
1
TOUCH PAD 6X12-OVAL
Co . ,
Ltd. )
OEM MODEL
Size
TPV MODEL
Rev
PCB NAME
715G4682-K0B
称爹
Sheet
2
of
2
CN101
1
2
3
4
5
6
7
CONN
Custom
B
<
称爹
>

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