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5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
74LVC126
PIN14
(KEYPAD)
Option for Pivot SW
KEYPAD & DDC
Thursday, May 22, 2003
Title
Size
Document Number
Rev
Date:
Sheet
KSELECT
KMENU
KLEDG
KPWR
KLEDR
KDOWN
KUP
KMENU
KSELECT
KDOWN
KUP
KLEDG
KLEDR
KPWR
VS_DSUB2
2
SCL_IN1
2
SDA_IN1
2
SCL_IN2
2
SDA_IN2
2
HS_DSUB2
2
HS_DSUB1
2
VS_DSUB1
2
MUX_SEL
2,3
DDCSCL1
3
DDCSCL2
3
DDCSDA2
3
DDCSDA1
3
ROTATE
3
MENU
3
SELECT
3
DOWN
3
UP
3
PWR_SW
3
LEDG
3
LEDR
3
HS
3
VS
3
+3.3VD
+3.3VD
+3.3VD
DSUB2_5V
+5V
GND
GND
DSUB1_5V
+5V
GND
GND
+3.3VD
R109
10K
R104
0
R105
0
RP14
10k
1
8
2
7
3
6
4
5
R102 NC
R103 NC
R123
100R
R122
100R
C174 0.1uF
C168
0.1uF
C169
0.1uF
R126
510R
R125
510R
JP10
HEADER 12-2.0
1
2
3
4
5
6
7
8
9
10
11
12
R119
2.2K
R98
100
C159
0.1uF
R95
2.2K
U16B
74LVC126
5
6
4
U16A
74LVC126
2
3
1
Q6
DTC144
R118
2.2K
R99
100
R131
33
C179
22pF
R130
33
C178
22pF
R117
100
R94
2.2K
R112
33
R115
2.2K
U16C
74LVC126
9
8
10
U14
PCB2421
4
8
1
2
3
7
6
5
GND
VCC
A0
A1
A2
WP
SCL
SDA
C162
22pF
U16D
74LVC126
12
11
13
R116
100
R114
2.2K
R110
0
R113
33
C161
0.1uF
C166
47pF
C164
47pF
R108
4.7K
C165
47pF
C163
47pF
1
2
3
SOT23
D4
BAV70
C167
0.1uF
JP9
Ball Switch
1
2
3
4
R124
1k
C175
0.1uF
R106
510
R120
NC
JP11
SMD
1
2
3
4
5
6
7
8
9
10
R107
10k
C177
0.1uF
CP14
NC
1
2
7
3
6
4
5
8
RP15 1k
1
8
2
7
3
6
4
5
R96
2.2K
R101 100
C160
0.1uF
R97
2.2K
R100
100
1
2
3
SOT23
D5
BAV70
U15
PCB2421
4
8
1
2
3
7
6
5
GND
VCC
A0
A1
A2
WP
SCL
SDA
R121
NC
R111
NC
!
!
ViewSonic Corporation
7
3
Confidential
– Do Not Copy
VP1
7
1/
s/
b-1
VP1
7
1
/s/b
Summary of Contents for VLCDS25972-1W
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