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Model
Title
Date
Rev:
ViewSonic Corporation
MCU(I/O_Key)
66
For Debug Use
5V-DETECT
SCL
SDA
SCL
SDA
MUTE
BL-PWM
BL-PWM
VOL-PWM
VOL-PWM
5V-DETECT
SDA
SCL
TX
RX
DOWN
RIGHT
LEFT
PWR
UP
MENU
SEL
STANDBY
LEDA1
LEDG1
UP-
MENU-
MENU
DOWN-
PWR-
RIGHT-
SEL-
LEFT
LEFT-
DOWN
RIGHT
SEL
PWR
UP
PWR-
LEFT-
DOWN-
SEL-
MENU-
RIGHT-
UP-
WP
MUTE-
MUTE_KEY
MUTE_KEY
LEDG1
LEDA1
WP
PANEL_SEL1
PANEL_SEL2
PANEL_SEL2
PANEL_SEL1
PANEL_SEL3
PANEL_SEL3
MUTE-
LEDG
LEDA
LEDG
LEDA
IRQn
3
BL-ON
6
BL-BRIGHT 6
SDA 3
SCL 3
REFCLKI
3
BYPASS-VS
3
MUTE 7
STANDBY 7
VOLUME 7
BYPASS-HS 3
LCD-ON 5
RSTn 3
DVI-DET 2
VGA-SCL 1
DVI-SDA 2
DVI-SCL 2
VGA-SDA 1
VGA-DET 1
Rx
1
Tx
1
MCU-VDD
+5V
MCU-VDD
MCU-VDD
+5V
+5V
+5V
+5V
+5V
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
GND_A
MCU-VDD
MCU-VDD
MCU-VDD
GND_A
GND_A
MCU-VDD
MCU-VDD
GND_A
GND_A
GND_A
GND_A
MCU-VDD
MCU-VDD
MCU-VDD
GND_A
MCU-VDD
MCU-VDD
MCU-VDD
GND_A
GND_A
MCU-VDD
GND_A
MCU-VDD
GND_A
MCU-VDD
GND_A
MCU-VDD
+
C36
47uF/16V
R49
1K/6
R66
330/6
R51
4.7K/6
R31
4.7K/6
R34
100K/6
68F633L
IC3
68F633-PLCC44
41
42
43
10
44
12
22
20
21
11
13
16
17
15
14
24
23
9
8
7
6
5
4
3
28
27
26
25
2
29
30
31
34
35
1
36
37
18
19
38
39
40
32
33
PC2/SOGI
PC1*
PC0*
RSTB
VDD
PD6
GND
OSCO
OSCI
P30/RXD
P31/TXD
P34/T0
P35/T1
PB3/ADC3/INTE1
PB2/ADC2/INTE0
PB1/ADC1
PB0/ADC0
PA7*/PWM9*
PA6*/PWM8*
PA5*/PWM7*
PA4*/PWM6*
PA3/PWM5
PA2/PWM4
PA1/PWM3
PB7*/SDA1*
PB6*/SCL1*
PB5*/SDA0*
PB4*/SCL0*
PA0/PWM2
PD5
PD4
PD3
PD2
PD1
PD0
PC7
PC6
PE0
PE1
PC5
PC4
PC3
NC1
NC2
R112
1K/6
R4
7
2K/6
R
117
10K/6
R5
3
4.7K/6
R43
100/6
R5
2
4.7K/6
R55
1K/6
D3
2
CHN2
1
7
1
3
2
R64
1K/6
C41
22pF/6
R32
4.7K/6
R42
100/6
R41
100/6
R40
100/6
R50
4.7K/6
R
115
10K/6
R
118
10K/6/NC
D2
9
CHN2
1
7
1
3
2
R4
8
2K/6
R
114
10K/6/NC
C3
8
0.1uF/6
R3
9
15K/6
R58
4.7K/6
D2
7
CHN2
1
7
1
3
2
C3
5
0.1uF/6
R56
4.7K/6
R62
1K/6
R45
0/6
C4
2
0.1uF/6
R
111
10K/6/NC
R
113
10K/6
R60
1K/6
R
116
10K/6/NC
D3
1
CHN2
1
7
1
3
2
R37
1M/6
JP1
CON4/NC
1
2
3
4
CN3
CON11P-2.0S
1
2
3
4
5
6
7
8
9
10
11
C37
0.1uF/6
R59
1K/6
R
109
10K/6
R54
1K/6
Q1
MMST3906
3
1
2
D3
4
CHN2
1
7
1
3
2
R63
4.7K/6
R65
330/6
R110
22/6
Q2
MMST3906
3
1
2
C39
22pF/6
JP2
CON4/NC
1
2
3
4
D2
8
CHN2
1
7
1
3
2
Y1
12MHZ
D3
3
CHN2
1
7
1
3
2
C4
3
0.1uF/6/N
C
C40
22pF/6
R61
1K/6
D3
0
CHN2
1
7
1
3
2
IC4
AT24C16
1
2
3
4
8
7
5
6
A0
A1
A2
GND
VCC
WP
SDA
SCL
R3
6
10K/6
R57
1K/6
ViewSonic Corporation
Confidential - Do Not Copy
VA2012w-1_VA2012wb-1
Содержание VA2012w-1
Страница 73: ...11 PCB Layout Diagrams MB TOP70 70 ViewSonic Corporation VA2012w 1_VA2012wb 1 Confidential Do Not Copy...
Страница 74: ...MB TOP 71 ViewSonic Corporation VA2012w 1_VA2012wb 1 Confidential Do Not Copy...
Страница 75: ...MB BOTTOM7 72 ViewSonic Corporation VA2012w 1_VA2012wb 1 Confidential Do Not Copy...