AOC LE32K1D7, Руководство по обслуживанию

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88
9.3 Key Board
715G4682K01000004S
R 115
10K 1/16W 1%
Menu Input Power VOL + VOL- CH + CH -
2.598 2.598 1.32 0.664 1.32 1.95 1.95
R 116
2K 7 1/16W 1%
R 125
0R 05O H M1/16W
R 123
0R 01MA X 1/16W +-1% (N C )
R 117
1.8K 1/16W
R 118
3K 9 +/-1% 1/16W
R 124
2K 7 1/16W 1%
R 121
680R 1/16W 1%
C IN 1
1
C IN 2
2
C IN 3
3
C IN 4
4
C IN 7
5
C IN 9
6
CI
N1
1
7
VSH
IL
D
8
VBI
AS
9
AVSS
10
AVC
C
11
GP
IO
11
12
D V C C
13
G P IO 9
14
S C LK
15
S D A
16
IN T#
17
G P IO 7
18
GP
IO
4
19
D
VSS
20
GP
IO
3
21
GP
IO
2
22
NC
23
T
HD1
24
E-
PAD
25
U 102
IT7235B F N
ME NU INP U T VOL-
R 120
1.8K 1/16W
VOL+ C H- C H+
C IN _02 1
C B 105
TO U C H P A D 6X12-O V A L
1
C B 106
TO U C H P A D 6X12-O V A L
1
C B 104
TO U C H P A D 6X12-O V A L
1
C B 101
TO U C H P A D 6X12-O V A L
1
C B 107
TO U C H P A D 6X12-O V A L
1
C B 103
TO U C H P A D 6X12-O V A L
1
C B 102
TO U C H P A D 6X12-O V A L
P OW E R
1
Touc h P ad S hieldelec trode
O TP
C IN _11 C IN _09
K ey 2
K ey 1
R 110 0R 01MA X 1/16W +-1%
R 111 0R 01MA X 1/16W +-1%
S M_S D A
S M_S C L
1
2
3
4
5
6
7
8
9
C N 101
C O N N
K ey 1
K ey 2
3.3V
G P IO _07
3.3V
G P IO _11
G P IO _13
G P IO _02
3.3V
G P IO _03
G P IO _04
GPIO output
7
GPIO2,3,4,7,9,11, 13 output data format
is like mechanical switch output form,
i.e., No touch: Open, Touch: GND.
11
9 13
1
4
C IN _03 C IN _07 C IN _04
2
LED output
7 3
4
C IN _01
9 3
CIN(-)
Voltage
CIN(+)
11
2
A C _S H IE LD
Cap Pads
C 105
100nF 25V
C 101
100nF 25V
R 112
100O H M1/16W
AC_shield is a large
cooper which encircles the
Cin button and it's path.
V B IA S
C 104
100P 50V
G P IO _09
C H-
C H+
P OW E R
INP U T
ME NU
VOL-
VOL+
R 119
10K 1/16W 1%
C IN _04
C IN _02
C IN _03
C IN _01
C IN _07
C IN _09
D
VSS
OT
P
GP
IO
_1
3
S M_S C L
S M_S D A
G P IO _09
G P IO _07
3.
3V
AC
_S
H
IEL
D
VBI
AS
AVSS CI
N_
11
GP
IO
_1
1
C 102
100nF 25V
R 122
3K 9 +/-1% 1/16W
3.
3V
C 103
100nF 25V
GP
IO
_0
2
GP
IO
_0
3
GP
IO
_0
4